<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:66f4d0a6-7077-4e62-b5b9-64abdaec2814,g:94c1f244-ea02-4c72-8b08-061f6704c0b5-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:sqns="http://www.sequans.com/20251231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2022-03-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2025" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.sequans.com/20251231">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/currency/2025" schemaLocation="https://xbrl.sec.gov/currency/2025/currency-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cyd-af-sub/2025" schemaLocation="https://xbrl.sec.gov/cyd/2025/cyd-af-sub-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd-sub/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-sub-2025.xsd"/>
  <xs:import namespace="https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full" schemaLocation="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sqns-20251231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sqns-20251231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sqns-20251231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="sqns-20251231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.sequans.com/role/CoverPage">
        <link:definition>0000001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.sequans.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofOperations" roleURI="http://www.sequans.com/role/ConsolidatedStatementsofOperations">
        <link:definition>9952151 - Statement - Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncomeLossStatement" roleURI="http://www.sequans.com/role/ConsolidatedStatementsofComprehensiveIncomeLossStatement">
        <link:definition>9952152 - Statement - Consolidated Statements of Comprehensive Income (Loss) Statement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncomeLossStatement_1" roleURI="http://www.sequans.com/role/ConsolidatedStatementsofComprehensiveIncomeLossStatement_1">
        <link:definition>9952152 - Statement - Consolidated Statements of Comprehensive Income (Loss) Statement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofFinancialPosition" roleURI="http://www.sequans.com/role/ConsolidatedStatementsofFinancialPosition">
        <link:definition>9952153 - Statement - Consolidated Statements of Financial Position</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofFinancialPositionParenthetical" roleURI="http://www.sequans.com/role/ConsolidatedStatementsofFinancialPositionParenthetical">
        <link:definition>9952154 - Statement - Consolidated Statements of Financial Position (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofChangesinEquityDeficitStatement" roleURI="http://www.sequans.com/role/ConsolidatedStatementsofChangesinEquityDeficitStatement">
        <link:definition>9952155 - Statement - Consolidated Statements of Changes in Equity (Deficit) Statement</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StatementsofCashFlow" roleURI="http://www.sequans.com/role/StatementsofCashFlow">
        <link:definition>9952156 - Statement - Statements of Cash Flow</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Corporateinformation" roleURI="http://www.sequans.com/role/Corporateinformation">
        <link:definition>9952157 - Disclosure - Corporate information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Summaryofsignificantaccountingandreportingpolicies" roleURI="http://www.sequans.com/role/Summaryofsignificantaccountingandreportingpolicies">
        <link:definition>9952158 - Disclosure - Summary of significant accounting and reporting policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionofACPAdvancedCircuitPursuitAG" roleURI="http://www.sequans.com/role/AcquisitionofACPAdvancedCircuitPursuitAG">
        <link:definition>9952159 - Disclosure - Acquisition of ACP Advanced Circuit Pursuit AG</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="A4GtechnologysaletoQualcommandrelatedagreements" roleURI="http://www.sequans.com/role/A4GtechnologysaletoQualcommandrelatedagreements">
        <link:definition>9952160 - Disclosure - 4G technology sale to Qualcomm and related agreements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Segmentinformation" roleURI="http://www.sequans.com/role/Segmentinformation">
        <link:definition>9952161 - Disclosure - Segment information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Otherrevenuesandexpenses" roleURI="http://www.sequans.com/role/Otherrevenuesandexpenses">
        <link:definition>9952162 - Disclosure - Other revenues and expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Incometax" roleURI="http://www.sequans.com/role/Incometax">
        <link:definition>9952163 - Disclosure - Income tax</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Earningslosspershare" roleURI="http://www.sequans.com/role/Earningslosspershare">
        <link:definition>9952164 - Disclosure - Earnings (loss) per share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Propertyplantandequipment" roleURI="http://www.sequans.com/role/Propertyplantandequipment">
        <link:definition>9952165 - Disclosure - Property, plant and equipment</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Intangibleassets" roleURI="http://www.sequans.com/role/Intangibleassets">
        <link:definition>9952166 - Disclosure - Intangible assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Digitalassets" roleURI="http://www.sequans.com/role/Digitalassets">
        <link:definition>9952167 - Disclosure - Digital assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventories" roleURI="http://www.sequans.com/role/Inventories">
        <link:definition>9952168 - Disclosure - Inventories</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Tradereceivables" roleURI="http://www.sequans.com/role/Tradereceivables">
        <link:definition>9952169 - Disclosure - Trade receivables</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Cashandcashequivalents" roleURI="http://www.sequans.com/role/Cashandcashequivalents">
        <link:definition>9952170 - Disclosure - Cash and cash equivalents</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Issuedcapitalandreserves" roleURI="http://www.sequans.com/role/Issuedcapitalandreserves">
        <link:definition>9952171 - Disclosure - Issued capital and reserves</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Sharebasedpaymentplans" roleURI="http://www.sequans.com/role/Sharebasedpaymentplans">
        <link:definition>9952172 - Disclosure - Share-based payment plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Interestbearingloansandborrowings" roleURI="http://www.sequans.com/role/Interestbearingloansandborrowings">
        <link:definition>9952173 - Disclosure - Interest-bearing loans and borrowings</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leaseliabilities" roleURI="http://www.sequans.com/role/Leaseliabilities">
        <link:definition>9952174 - Disclosure - Lease liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Governmentgrantadvancesandloans" roleURI="http://www.sequans.com/role/Governmentgrantadvancesandloans">
        <link:definition>9952175 - Disclosure - Government grant advances and loans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Provisions" roleURI="http://www.sequans.com/role/Provisions">
        <link:definition>9952176 - Disclosure - Provisions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Othernoncurrentliabilities" roleURI="http://www.sequans.com/role/Othernoncurrentliabilities">
        <link:definition>9952177 - Disclosure - Other non-current liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Tradepayablesandothercurrentliabilities" roleURI="http://www.sequans.com/role/Tradepayablesandothercurrentliabilities">
        <link:definition>9952178 - Disclosure - Trade payables and other current liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Informationaboutfinancialinstruments" roleURI="http://www.sequans.com/role/Informationaboutfinancialinstruments">
        <link:definition>9952179 - Disclosure - Information about financial instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Commitmentsandcontingencies" roleURI="http://www.sequans.com/role/Commitmentsandcontingencies">
        <link:definition>9952180 - Disclosure - Commitments and contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Relatedpartydisclosures" roleURI="http://www.sequans.com/role/Relatedpartydisclosures">
        <link:definition>9952181 - Disclosure - Related party disclosures</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Eventsafterthereportingdate" roleURI="http://www.sequans.com/role/Eventsafterthereportingdate">
        <link:definition>9952182 - Disclosure - Events after the reporting date</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofsignificantaccountingandreportingpoliciesPolicies" roleURI="http://www.sequans.com/role/SummaryofsignificantaccountingandreportingpoliciesPolicies">
        <link:definition>9955511 - Disclosure - Summary of significant accounting and reporting policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofsignificantaccountingandreportingpoliciesTables" roleURI="http://www.sequans.com/role/SummaryofsignificantaccountingandreportingpoliciesTables">
        <link:definition>9955512 - Disclosure - Summary of significant accounting and reporting policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionofACPAdvancedCircuitPursuitAGTables" roleURI="http://www.sequans.com/role/AcquisitionofACPAdvancedCircuitPursuitAGTables">
        <link:definition>9955513 - Disclosure - Acquisition of ACP Advanced Circuit Pursuit AG (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentinformationTables" roleURI="http://www.sequans.com/role/SegmentinformationTables">
        <link:definition>9955514 - Disclosure - Segment information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherrevenuesandexpensesTables" roleURI="http://www.sequans.com/role/OtherrevenuesandexpensesTables">
        <link:definition>9955515 - Disclosure - Other revenues and expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncometaxTables" roleURI="http://www.sequans.com/role/IncometaxTables">
        <link:definition>9955516 - Disclosure - Income tax (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningslosspershareTables" roleURI="http://www.sequans.com/role/EarningslosspershareTables">
        <link:definition>9955517 - Disclosure - Earnings (loss) per share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyplantandequipmentTables" roleURI="http://www.sequans.com/role/PropertyplantandequipmentTables">
        <link:definition>9955518 - Disclosure - Property, plant and equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleassetsTables" roleURI="http://www.sequans.com/role/IntangibleassetsTables">
        <link:definition>9955519 - Disclosure - Intangible assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DigitalassetsTables" roleURI="http://www.sequans.com/role/DigitalassetsTables">
        <link:definition>9955520 - Disclosure - Digital assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesTables" roleURI="http://www.sequans.com/role/InventoriesTables">
        <link:definition>9955521 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TradereceivablesTables" roleURI="http://www.sequans.com/role/TradereceivablesTables">
        <link:definition>9955522 - Disclosure - Trade receivables (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandcashequivalentsTables" roleURI="http://www.sequans.com/role/CashandcashequivalentsTables">
        <link:definition>9955523 - Disclosure - Cash and cash equivalents (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IssuedcapitalandreservesTables" roleURI="http://www.sequans.com/role/IssuedcapitalandreservesTables">
        <link:definition>9955524 - Disclosure - Issued capital and reserves (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedpaymentplansTables" roleURI="http://www.sequans.com/role/SharebasedpaymentplansTables">
        <link:definition>9955525 - Disclosure - Share-based payment plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InterestbearingloansandborrowingsTables" roleURI="http://www.sequans.com/role/InterestbearingloansandborrowingsTables">
        <link:definition>9955526 - Disclosure - Interest-bearing loans and borrowings (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeaseliabilitiesTables" roleURI="http://www.sequans.com/role/LeaseliabilitiesTables">
        <link:definition>9955527 - Disclosure - Lease liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GovernmentgrantadvancesandloansTables" roleURI="http://www.sequans.com/role/GovernmentgrantadvancesandloansTables">
        <link:definition>9955528 - Disclosure - Government grant advances and loans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsTables" roleURI="http://www.sequans.com/role/ProvisionsTables">
        <link:definition>9955529 - Disclosure - Provisions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OthernoncurrentliabilitiesTables" roleURI="http://www.sequans.com/role/OthernoncurrentliabilitiesTables">
        <link:definition>9955530 - Disclosure - Other non-current liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TradepayablesandothercurrentliabilitiesTables" roleURI="http://www.sequans.com/role/TradepayablesandothercurrentliabilitiesTables">
        <link:definition>9955531 - Disclosure - Trade payables and other current liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InformationaboutfinancialinstrumentsTables" roleURI="http://www.sequans.com/role/InformationaboutfinancialinstrumentsTables">
        <link:definition>9955532 - Disclosure - Information about financial instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandcontingenciesTables" roleURI="http://www.sequans.com/role/CommitmentsandcontingenciesTables">
        <link:definition>9955533 - Disclosure - Commitments and contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedpartydisclosuresTables" roleURI="http://www.sequans.com/role/RelatedpartydisclosuresTables">
        <link:definition>9955534 - Disclosure - Related party disclosures (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofsignificantaccountingandreportingpoliciesNarrativeDetails" roleURI="http://www.sequans.com/role/SummaryofsignificantaccountingandreportingpoliciesNarrativeDetails">
        <link:definition>9955535 - Disclosure - Summary of significant accounting and reporting policies - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofsignificantaccountingandreportingpoliciesScheduleofSubsidiariesDetails" roleURI="http://www.sequans.com/role/SummaryofsignificantaccountingandreportingpoliciesScheduleofSubsidiariesDetails">
        <link:definition>9955536 - Disclosure - Summary of significant accounting and reporting policies - Schedule of Subsidiaries (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofsignificantaccountingandreportingpoliciesScheduleofAverageandClosingExchangeRatefortheUSDollarDetails" roleURI="http://www.sequans.com/role/SummaryofsignificantaccountingandreportingpoliciesScheduleofAverageandClosingExchangeRatefortheUSDollarDetails">
        <link:definition>9955537 - Disclosure - Summary of significant accounting and reporting policies - Schedule of Average and Closing Exchange Rate for the U.S. Dollar (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofsignificantaccountingandreportingpoliciesPerformanceObligationDetails" roleURI="http://www.sequans.com/role/SummaryofsignificantaccountingandreportingpoliciesPerformanceObligationDetails">
        <link:definition>9955538 - Disclosure - Summary of significant accounting and reporting policies - Performance Obligation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofsignificantaccountingandreportingpoliciesScheduleofUsefulLivesMostCommonlyUsedDetails" roleURI="http://www.sequans.com/role/SummaryofsignificantaccountingandreportingpoliciesScheduleofUsefulLivesMostCommonlyUsedDetails">
        <link:definition>9955539 - Disclosure - Summary of significant accounting and reporting policies - Schedule of Useful Lives Most Commonly Used (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionofACPAdvancedCircuitPursuitAGDisclosureofdetailedinformationaboutbusinesscombinationDetails" roleURI="http://www.sequans.com/role/AcquisitionofACPAdvancedCircuitPursuitAGDisclosureofdetailedinformationaboutbusinesscombinationDetails">
        <link:definition>9955540 - Disclosure - Acquisition of ACP Advanced Circuit Pursuit AG - Disclosure of detailed information about business combination (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AcquisitionofACPAdvancedCircuitPursuitAGDetails" roleURI="http://www.sequans.com/role/AcquisitionofACPAdvancedCircuitPursuitAGDetails">
        <link:definition>9955541 - Disclosure - Acquisition of ACP Advanced Circuit Pursuit AG (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="A4GtechnologysaletoQualcommandrelatedagreementsDetails" roleURI="http://www.sequans.com/role/A4GtechnologysaletoQualcommandrelatedagreementsDetails">
        <link:definition>9955542 - Disclosure - 4G technology sale to Qualcomm and related agreements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentinformationDetails" roleURI="http://www.sequans.com/role/SegmentinformationDetails">
        <link:definition>9955543 - Disclosure - Segment information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherrevenuesandexpensesScheduleofFinancialIncomeandExpensesDetails" roleURI="http://www.sequans.com/role/OtherrevenuesandexpensesScheduleofFinancialIncomeandExpensesDetails">
        <link:definition>9955544 - Disclosure - Other revenues and expenses - Schedule of Financial Income and Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherrevenuesandexpensesFinancialIncomeandExpensesNarrativeDetails" roleURI="http://www.sequans.com/role/OtherrevenuesandexpensesFinancialIncomeandExpensesNarrativeDetails">
        <link:definition>9955545 - Disclosure - Other revenues and expenses - Financial Income and Expenses (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherrevenuesandexpensesScheduleofCostofRevenueOperatingExpensesandEmployeeBenefitsDetails" roleURI="http://www.sequans.com/role/OtherrevenuesandexpensesScheduleofCostofRevenueOperatingExpensesandEmployeeBenefitsDetails">
        <link:definition>9955546 - Disclosure - Other revenues and expenses - Schedule of Cost of Revenue, Operating Expenses, and Employee Benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherrevenuesandexpensesResearchandDevelopmentExpenseandTaxCreditReceivableDetails" roleURI="http://www.sequans.com/role/OtherrevenuesandexpensesResearchandDevelopmentExpenseandTaxCreditReceivableDetails">
        <link:definition>9955547 - Disclosure - Other revenues and expenses - Research and Development Expense and Tax Credit Receivable (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncometaxScheduleofMajorComponentsofIncomeTaxExpenseDetails" roleURI="http://www.sequans.com/role/IncometaxScheduleofMajorComponentsofIncomeTaxExpenseDetails">
        <link:definition>9955548 - Disclosure - Income tax - Schedule of Major Components of Income Tax Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncometaxNarrativeDetails" roleURI="http://www.sequans.com/role/IncometaxNarrativeDetails">
        <link:definition>9955549 - Disclosure - Income tax - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncometaxReconciliationofIncomeTaxesComputedattheFrenchStatutoryRateDetails" roleURI="http://www.sequans.com/role/IncometaxReconciliationofIncomeTaxesComputedattheFrenchStatutoryRateDetails">
        <link:definition>9955550 - Disclosure - Income tax - Reconciliation of Income Taxes Computed at the French Statutory Rate (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncometaxSummaryofDeferredTaxAssetsDetails" roleURI="http://www.sequans.com/role/IncometaxSummaryofDeferredTaxAssetsDetails">
        <link:definition>9955551 - Disclosure - Income tax - Summary of Deferred Tax Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncometaxSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails" roleURI="http://www.sequans.com/role/IncometaxSignificantComponentsofDeferredTaxAssetsandLiabilitiesDetails">
        <link:definition>9955552 - Disclosure - Income tax - Significant Components of Deferred Tax Assets and Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningslosspershareScheduleofincomeandsharedatausedinbasicanddilutedearningslosspersharecomputationsDetails" roleURI="http://www.sequans.com/role/EarningslosspershareScheduleofincomeandsharedatausedinbasicanddilutedearningslosspersharecomputationsDetails">
        <link:definition>9955553 - Disclosure - Earnings (loss) per share - Schedule of income and share data used in basic and diluted earnings (loss) per share computations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningslosspershareNarrativeDetails" roleURI="http://www.sequans.com/role/EarningslosspershareNarrativeDetails">
        <link:definition>9955554 - Disclosure - Earnings (loss) per share - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyplantandequipmentScheduleofPropertyPlantandEquipmentDetails" roleURI="http://www.sequans.com/role/PropertyplantandequipmentScheduleofPropertyPlantandEquipmentDetails">
        <link:definition>9955555 - Disclosure - Property, plant and equipment - Schedule of Property, Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyplantandequipmentNarrativeDetails" roleURI="http://www.sequans.com/role/PropertyplantandequipmentNarrativeDetails">
        <link:definition>9955556 - Disclosure - Property, plant and equipment - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleassetsDetails" roleURI="http://www.sequans.com/role/IntangibleassetsDetails">
        <link:definition>9955557 - Disclosure - Intangible assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IntangibleassetsNarrativeDetails" roleURI="http://www.sequans.com/role/IntangibleassetsNarrativeDetails">
        <link:definition>9955558 - Disclosure - Intangible assets - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DigitalassetsDisclosureofnumberofBitcoinDetails" roleURI="http://www.sequans.com/role/DigitalassetsDisclosureofnumberofBitcoinDetails">
        <link:definition>9955559 - Disclosure - Digital assets - Disclosure of number of Bitcoin (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DigitalassetsDisclosureofinvestmentinBitcoinDetails" roleURI="http://www.sequans.com/role/DigitalassetsDisclosureofinvestmentinBitcoinDetails">
        <link:definition>9955560 - Disclosure - Digital assets - Disclosure of investment in Bitcoin (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DigitalassetsDetails" roleURI="http://www.sequans.com/role/DigitalassetsDetails">
        <link:definition>9955561 - Disclosure - Digital assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesScheduleofInventoriesDetails" roleURI="http://www.sequans.com/role/InventoriesScheduleofInventoriesDetails">
        <link:definition>9955562 - Disclosure - Inventories - Schedule of Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesNarrativeDetails" roleURI="http://www.sequans.com/role/InventoriesNarrativeDetails">
        <link:definition>9955563 - Disclosure - Inventories - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TradereceivablesScheduleofNonInterestBearingTradeReceivablesDetails" roleURI="http://www.sequans.com/role/TradereceivablesScheduleofNonInterestBearingTradeReceivablesDetails">
        <link:definition>9955564 - Disclosure - Trade receivables - Schedule of Non-Interest Bearing Trade Receivables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TradereceivablesScheduleofMovementsintheProvisionforImpairmentofReceivablesDetails" roleURI="http://www.sequans.com/role/TradereceivablesScheduleofMovementsintheProvisionforImpairmentofReceivablesDetails">
        <link:definition>9955565 - Disclosure - Trade receivables - Schedule of Movements in the Provision for Impairment of Receivables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TradereceivablesAgingAnalysisofTradeReceivablesThatWereNotImpairedDetails" roleURI="http://www.sequans.com/role/TradereceivablesAgingAnalysisofTradeReceivablesThatWereNotImpairedDetails">
        <link:definition>9955566 - Disclosure - Trade receivables - Aging Analysis of Trade Receivables That Were Not Impaired (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandcashequivalentsScheduleofCashandCashEquivalentsDetails" roleURI="http://www.sequans.com/role/CashandcashequivalentsScheduleofCashandCashEquivalentsDetails">
        <link:definition>9955567 - Disclosure - Cash and cash equivalents - Schedule of Cash and Cash Equivalents (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CashandcashequivalentsScheduleofCashandCashEquivalentsHeldinUSdollarandEurosDetails" roleURI="http://www.sequans.com/role/CashandcashequivalentsScheduleofCashandCashEquivalentsHeldinUSdollarandEurosDetails">
        <link:definition>9955568 - Disclosure - Cash and cash equivalents - Schedule of Cash and Cash Equivalents Held in U.S. dollar and Euros (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IssuedcapitalandreservesNarrativesDetails" roleURI="http://www.sequans.com/role/IssuedcapitalandreservesNarrativesDetails">
        <link:definition>9955569 - Disclosure - Issued capital and reserves - Narratives (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IssuedcapitalandreservesAuthorizedcapitalinnumberofsharesDetails" roleURI="http://www.sequans.com/role/IssuedcapitalandreservesAuthorizedcapitalinnumberofsharesDetails">
        <link:definition>9955570 - Disclosure - Issued capital and reserves - Authorized capital, in number of shares (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IssuedcapitalandreservesSharesIssuedandFullyPaidDetails" roleURI="http://www.sequans.com/role/IssuedcapitalandreservesSharesIssuedandFullyPaidDetails">
        <link:definition>9955571 - Disclosure - Issued capital and reserves - Shares Issued and Fully Paid (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IssuedcapitalandreservesCapitalTransactionsDetails" roleURI="http://www.sequans.com/role/IssuedcapitalandreservesCapitalTransactionsDetails">
        <link:definition>9955572 - Disclosure - Issued capital and reserves - Capital Transactions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedpaymentplansNarrativeDetails" roleURI="http://www.sequans.com/role/SharebasedpaymentplansNarrativeDetails">
        <link:definition>9955573 - Disclosure - Share-based payment plans - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedpaymentplansBreakdownofsharebasedpaymentsexpensesDetails" roleURI="http://www.sequans.com/role/SharebasedpaymentplansBreakdownofsharebasedpaymentsexpensesDetails">
        <link:definition>9955574 - Disclosure - Share-based payment plans - Breakdown of share-based payments expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedpaymentplansGeneralemployeestockoptionfounderswarrantplansandrestrictedsharesawardsDetails" roleURI="http://www.sequans.com/role/SharebasedpaymentplansGeneralemployeestockoptionfounderswarrantplansandrestrictedsharesawardsDetails">
        <link:definition>9955575 - Disclosure - Share-based payment plans - General employee stock option, founders warrant plans and restricted shares awards (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedpaymentplansWarrantplansforcertainconsultantsconsideredequivalenttoemployeesDetails" roleURI="http://www.sequans.com/role/SharebasedpaymentplansWarrantplansforcertainconsultantsconsideredequivalenttoemployeesDetails">
        <link:definition>9955576 - Disclosure - Share-based payment plans - Warrant plans for certain consultants considered equivalent to employees (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedpaymentplansMovementsinnumberandWAEPDetails" roleURI="http://www.sequans.com/role/SharebasedpaymentplansMovementsinnumberandWAEPDetails">
        <link:definition>9955577 - Disclosure - Share-based payment plans - Movements in number and WAEP (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedpaymentplansMovementsinnumberandrestrictedsharesawardsDetails" roleURI="http://www.sequans.com/role/SharebasedpaymentplansMovementsinnumberandrestrictedsharesawardsDetails">
        <link:definition>9955578 - Disclosure - Share-based payment plans - Movements in number and restricted shares awards (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SharebasedpaymentplansValuationassumptionsDetails" roleURI="http://www.sequans.com/role/SharebasedpaymentplansValuationassumptionsDetails">
        <link:definition>9955579 - Disclosure - Share-based payment plans - Valuation assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InterestbearingloansandborrowingsScheduleofInterestBearingLoansandBorrowingsDetails" roleURI="http://www.sequans.com/role/InterestbearingloansandborrowingsScheduleofInterestBearingLoansandBorrowingsDetails">
        <link:definition>9955580 - Disclosure - Interest-bearing loans and borrowings - Schedule of Interest-Bearing Loans and Borrowings (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InterestbearingloansandborrowingsConvertibleDebtDetails" roleURI="http://www.sequans.com/role/InterestbearingloansandborrowingsConvertibleDebtDetails">
        <link:definition>9955581 - Disclosure - Interest-bearing loans and borrowings - Convertible Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InterestbearingloansandborrowingsUnsecuredrelatedpartyloanDetails" roleURI="http://www.sequans.com/role/InterestbearingloansandborrowingsUnsecuredrelatedpartyloanDetails">
        <link:definition>9955582 - Disclosure - Interest-bearing loans and borrowings - Unsecured related party loan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InterestbearingloansandborrowingsInterestBearingFinancingReceivablesDetails" roleURI="http://www.sequans.com/role/InterestbearingloansandborrowingsInterestBearingFinancingReceivablesDetails">
        <link:definition>9955583 - Disclosure - Interest-bearing loans and borrowings - Interest-Bearing Financing Receivables (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeaseliabilitiesNarrativeDetails" roleURI="http://www.sequans.com/role/LeaseliabilitiesNarrativeDetails">
        <link:definition>9955584 - Disclosure - Lease liabilities - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeaseliabilitiesSummaryofmovementsinrightofuseassetsandleaseliabilitiesDetails" roleURI="http://www.sequans.com/role/LeaseliabilitiesSummaryofmovementsinrightofuseassetsandleaseliabilitiesDetails">
        <link:definition>9955585 - Disclosure - Lease liabilities - Summary of movements in right-of-use assets and lease liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GovernmentgrantadvancesandloansScheduleofGovernmentGrantAdvancesandLoansDetails" roleURI="http://www.sequans.com/role/GovernmentgrantadvancesandloansScheduleofGovernmentGrantAdvancesandLoansDetails">
        <link:definition>9955586 - Disclosure - Government grant advances and loans - Schedule of Government Grant Advances and Loans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GovernmentgrantadvancesandloansGovernmentGrantAdvancesDetails" roleURI="http://www.sequans.com/role/GovernmentgrantadvancesandloansGovernmentGrantAdvancesDetails">
        <link:definition>9955587 - Disclosure - Government grant advances and loans - Government Grant Advances (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GovernmentgrantadvancesandloansResearchProjectFinancingDetails" roleURI="http://www.sequans.com/role/GovernmentgrantadvancesandloansResearchProjectFinancingDetails">
        <link:definition>9955588 - Disclosure - Government grant advances and loans - Research Project Financing (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GovernmentgrantadvancesandloansGovernmentLoansDetails" roleURI="http://www.sequans.com/role/GovernmentgrantadvancesandloansGovernmentLoansDetails">
        <link:definition>9955589 - Disclosure - Government grant advances and loans - Government Loans (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsReconciliationofChangesinProvisionsDetails" roleURI="http://www.sequans.com/role/ProvisionsReconciliationofChangesinProvisionsDetails">
        <link:definition>9955590 - Disclosure - Provisions - Reconciliation of Changes in Provisions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsNarrativeDetails" roleURI="http://www.sequans.com/role/ProvisionsNarrativeDetails">
        <link:definition>9955591 - Disclosure - Provisions - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsScheduleofMainAssumptionsUsedDetails" roleURI="http://www.sequans.com/role/ProvisionsScheduleofMainAssumptionsUsedDetails">
        <link:definition>9955592 - Disclosure - Provisions - Schedule of Main Assumptions Used (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsDisclosureofreconciliationofdefinedbenefitobligationDetails" roleURI="http://www.sequans.com/role/ProvisionsDisclosureofreconciliationofdefinedbenefitobligationDetails">
        <link:definition>9955593 - Disclosure - Provisions -Disclosure of reconciliation of defined benefit obligation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsReconciliationofdefinedbenefitobligationDetails" roleURI="http://www.sequans.com/role/ProvisionsReconciliationofdefinedbenefitobligationDetails">
        <link:definition>9955594 - Disclosure - Provisions - Reconciliation of defined benefit obligation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsDisclosureofreconciliationoffairvalueofplanassetsDetails" roleURI="http://www.sequans.com/role/ProvisionsDisclosureofreconciliationoffairvalueofplanassetsDetails">
        <link:definition>9955595 - Disclosure - Provisions - Disclosure of reconciliation of fair value of plan assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ProvisionsDisclosureofsensitivityanalysisforactuarialassumptionsDetails" roleURI="http://www.sequans.com/role/ProvisionsDisclosureofsensitivityanalysisforactuarialassumptionsDetails">
        <link:definition>9955596 - Disclosure - Provisions - Disclosure of sensitivity analysis for actuarial assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OthernoncurrentliabilitiesScheduleofOtherNonCurrentLiabilitiesDetails" roleURI="http://www.sequans.com/role/OthernoncurrentliabilitiesScheduleofOtherNonCurrentLiabilitiesDetails">
        <link:definition>9955597 - Disclosure - Other non-current liabilities - Schedule of Other Non-Current Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OthernoncurrentliabilitiesNarrativeDetails" roleURI="http://www.sequans.com/role/OthernoncurrentliabilitiesNarrativeDetails">
        <link:definition>9955598 - Disclosure - Other non-current liabilities - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TradepayablesandothercurrentliabilitiesScheduleofTradePayablesandOtherCurrentLiabilitiesDetails" roleURI="http://www.sequans.com/role/TradepayablesandothercurrentliabilitiesScheduleofTradePayablesandOtherCurrentLiabilitiesDetails">
        <link:definition>9955599 - Disclosure - Trade payables and other current liabilities - Schedule of Trade Payables and Other Current Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TradepayablesandothercurrentliabilitiesNarrativeDetails" roleURI="http://www.sequans.com/role/TradepayablesandothercurrentliabilitiesNarrativeDetails">
        <link:definition>9955600 - Disclosure - Trade payables and other current liabilities - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InformationaboutfinancialinstrumentsScheduleofFinancialAssetsandFinancialLiabilitiesDetails" roleURI="http://www.sequans.com/role/InformationaboutfinancialinstrumentsScheduleofFinancialAssetsandFinancialLiabilitiesDetails">
        <link:definition>9955601 - Disclosure - Information about financial instruments - Schedule of Financial Assets and Financial Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InformationaboutfinancialinstrumentsScheduleofAssetsandLiabilitiesMeasuredatFairValueDetails" roleURI="http://www.sequans.com/role/InformationaboutfinancialinstrumentsScheduleofAssetsandLiabilitiesMeasuredatFairValueDetails">
        <link:definition>9955602 - Disclosure - Information about financial instruments - Schedule of Assets and Liabilities Measured at Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InformationaboutfinancialinstrumentsScheduleofPresentFairValuesofDerivativeFinancialInstrumentsDetails" roleURI="http://www.sequans.com/role/InformationaboutfinancialinstrumentsScheduleofPresentFairValuesofDerivativeFinancialInstrumentsDetails">
        <link:definition>9955603 - Disclosure - Information about financial instruments - Schedule of Present Fair Values of Derivative Financial Instruments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InformationaboutfinancialinstrumentsNarrativeDetails" roleURI="http://www.sequans.com/role/InformationaboutfinancialinstrumentsNarrativeDetails">
        <link:definition>9955604 - Disclosure - Information about financial instruments - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InformationaboutfinancialinstrumentsSummaryofCustomersRepresentingCompanysTotalRevenueDetails" roleURI="http://www.sequans.com/role/InformationaboutfinancialinstrumentsSummaryofCustomersRepresentingCompanysTotalRevenueDetails">
        <link:definition>9955605 - Disclosure - Information about financial instruments - Summary of Customers Representing Company's Total Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InformationaboutfinancialinstrumentsScheduleofLiquidityRiskDetails" roleURI="http://www.sequans.com/role/InformationaboutfinancialinstrumentsScheduleofLiquidityRiskDetails">
        <link:definition>9955606 - Disclosure - Information about financial instruments - Schedule of Liquidity Risk (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InformationaboutfinancialinstrumentsChangesinLiabilitiesArisingfromFinancingActivitiesDetails" roleURI="http://www.sequans.com/role/InformationaboutfinancialinstrumentsChangesinLiabilitiesArisingfromFinancingActivitiesDetails">
        <link:definition>9955607 - Disclosure - Information about financial instruments - Changes in Liabilities Arising from Financing Activities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandcontingenciesContingenciesDetails" roleURI="http://www.sequans.com/role/CommitmentsandcontingenciesContingenciesDetails">
        <link:definition>9955608 - Disclosure - Commitments and contingencies - Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandcontingenciesBankGuaranteeDetails" roleURI="http://www.sequans.com/role/CommitmentsandcontingenciesBankGuaranteeDetails">
        <link:definition>9955609 - Disclosure - Commitments and contingencies - Bank Guarantee (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandcontingenciesOperatingLeasesDetails" roleURI="http://www.sequans.com/role/CommitmentsandcontingenciesOperatingLeasesDetails">
        <link:definition>9955610 - Disclosure - Commitments and contingencies - Operating Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandcontingenciesPurchaseCommitmentsDetails" roleURI="http://www.sequans.com/role/CommitmentsandcontingenciesPurchaseCommitmentsDetails">
        <link:definition>9955611 - Disclosure - Commitments and contingencies - Purchase Commitments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandcontingenciesPledgeofAssetsDetails" roleURI="http://www.sequans.com/role/CommitmentsandcontingenciesPledgeofAssetsDetails">
        <link:definition>9955612 - Disclosure - Commitments and contingencies - Pledge of Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedpartydisclosuresNarrativeDetails" roleURI="http://www.sequans.com/role/RelatedpartydisclosuresNarrativeDetails">
        <link:definition>9955613 - Disclosure - Related party disclosures - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedpartydisclosuresCompensationofKeyManagementPersonnelDetails" roleURI="http://www.sequans.com/role/RelatedpartydisclosuresCompensationofKeyManagementPersonnelDetails">
        <link:definition>9955614 - Disclosure - Related party disclosures - Compensation of Key Management Personnel (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedpartydisclosuresDirectorsInterestsInAnEmployeeShareIncentivePlanDetails" roleURI="http://www.sequans.com/role/RelatedpartydisclosuresDirectorsInterestsInAnEmployeeShareIncentivePlanDetails">
        <link:definition>9955615 - Disclosure - Related party disclosures - Directors&#8217; Interests In An Employee Share Incentive Plan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EventsafterthereportingdateDetails" roleURI="http://www.sequans.com/role/EventsafterthereportingdateDetails">
        <link:definition>9955616 - Disclosure - Events after the reporting date (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="sqns_AmericanDepositarySharesMember" abstract="true" name="AmericanDepositarySharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ProductsMember" abstract="true" name="ProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_OperatingExpenses1Abstract" abstract="true" name="OperatingExpenses1Abstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ImpairmentLossRecognisedInProfitOrLossDigitalAssets" abstract="false" name="ImpairmentLossRecognisedInProfitOrLossDigitalAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LossesOnDisposalsOfDigitalAssets" abstract="false" name="LossesOnDisposalsOfDigitalAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ImpairmentOf5GBroadbandPlatformIntangibleAndTangibleAssets" abstract="false" name="ImpairmentOf5GBroadbandPlatformIntangibleAndTangibleAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_OperatingIncomeExpense" abstract="false" name="OperatingIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_FinancialIncomeExpenseAbstract" abstract="true" name="FinancialIncomeExpenseAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_AmericanDepositsSharesBasicEarningsLossperShare" abstract="false" name="AmericanDepositsSharesBasicEarningsLossperShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_AmericanDepositsSharesDilutedEarningsLossperShare" abstract="false" name="AmericanDepositsSharesDilutedEarningsLossperShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_WeightedAverageOrdinarySharesandAdjustedWeightedAverageOrdinarySharesDilutedAbstract" abstract="true" name="WeightedAverageOrdinarySharesandAdjustedWeightedAverageOrdinarySharesDilutedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_AmericanDepositSharesOutstanding" abstract="false" name="AmericanDepositSharesOutstanding" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_AmericanDepositSharesOutstandingDiluted" abstract="false" name="AmericanDepositSharesOutstandingDiluted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_InterestBearingReceivablesFinancingLineOfCreditMember" abstract="true" name="InterestBearingReceivablesFinancingLineOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleBorrowingsIssuedMember" abstract="true" name="ConvertibleBorrowingsIssuedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DigitalAssetsPledgedAsCollateralForConvertibleDebt" abstract="false" name="DigitalAssetsPledgedAsCollateralForConvertibleDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DigitalAssetsUnrestricted" abstract="false" name="DigitalAssetsUnrestricted" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NonCurrentGovernmentLoans" abstract="false" name="NonCurrentGovernmentLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentGovernmentLoans" abstract="false" name="CurrentGovernmentLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DigitalAssets" abstract="false" name="DigitalAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AccumulatedOtherComprehensiveIncomeExcludingReserveOfExchangeDifferencesOnTranslationMember" abstract="true" name="AccumulatedOtherComprehensiveIncomeExcludingReserveOfExchangeDifferencesOnTranslationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_PrivatePlacementAxis" abstract="true" name="PrivatePlacementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_PrivatePlacementDomain" abstract="true" name="PrivatePlacementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_April2023PrivatePlacementMember" abstract="true" name="April2023PrivatePlacementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_September2023PrivatePlacementMember" abstract="true" name="September2023PrivatePlacementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_NumberOfShareOptionsAndWarrantsExercisedInSharebasedPaymentArrangement" abstract="false" name="NumberOfShareOptionsAndWarrantsExercisedInSharebasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity" abstract="false" name="IncreaseDecreaseThroughExerciseOfOptionsAndWarrantsEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_IncreaseDecreaseInNumberOfOrdinarySharesIssuedPrivatePlacement" abstract="false" name="IncreaseDecreaseInNumberOfOrdinarySharesIssuedPrivatePlacement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_IssueOfEquityInPrivatePlacement" abstract="false" name="IssueOfEquityInPrivatePlacement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_IncreaseDecreaseThroughExerciseOfBridgeLoansFromRelatedPartyEquity" abstract="false" name="IncreaseDecreaseThroughExerciseOfBridgeLoansFromRelatedPartyEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NumberOfCommonWarrantsExercisedInShareBasedPaymentArrangement" abstract="false" name="NumberOfCommonWarrantsExercisedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfPreFundedWarrantsExercisedInShareBasedPaymentArrangement" abstract="false" name="NumberOfPreFundedWarrantsExercisedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_IncreaseDecreaseThroughExerciseOfPreFundedWarrantsEquity" abstract="false" name="IncreaseDecreaseThroughExerciseOfPreFundedWarrantsEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NumberOfSharesIssuedInExchangeForServicesInPrivatePlacement" abstract="false" name="NumberOfSharesIssuedInExchangeForServicesInPrivatePlacement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_IssueOfEquityInExchangeForServicesInPrivatePlacement" abstract="false" name="IssueOfEquityInExchangeForServicesInPrivatePlacement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdjustmentsForDepreciationExpenseAndImpairmentLossReversalOfImpairmentLossRecognizedInProfitOrLossPropertyPlantAndEquipment" abstract="false" name="AdjustmentsForDepreciationExpenseAndImpairmentLossReversalOfImpairmentLossRecognizedInProfitOrLossPropertyPlantAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdjustmentsForAmortisationAndImpairmentLossReversalOfImpairmentLossRecognizedInProfitOrLossIntangibleAssets" abstract="false" name="AdjustmentsForAmortisationAndImpairmentLossReversalOfImpairmentLossRecognizedInProfitOrLossIntangibleAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDigitalAssets" abstract="false" name="AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossDigitalAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdjustmentsForConvertibleDebtAmendments" abstract="false" name="AdjustmentsForConvertibleDebtAmendments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdjustmentsForGainLossOnDisposalsDigitalAssets" abstract="false" name="AdjustmentsForGainLossOnDisposalsDigitalAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdjustmentsForWorkingCapitalAbstract" abstract="true" name="AdjustmentsForWorkingCapitalAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_AdjustmentsForDecreaseIncreaseInCurrentReceivablesFromTaxesOtherThanIncomeTax" abstract="false" name="AdjustmentsForDecreaseIncreaseInCurrentReceivablesFromTaxesOtherThanIncomeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdjustmentsForDecreaseIncreaseInGovernmentGrantAdvances" abstract="false" name="AdjustmentsForDecreaseIncreaseInGovernmentGrantAdvances" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" abstract="false" name="PurchaseOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PurchaseOfDigitalAssets" abstract="false" name="PurchaseOfDigitalAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PurchasesOfCapitalisedDevelopmentExpendituresClassifiedAsInvestingActivities" abstract="false" name="PurchasesOfCapitalisedDevelopmentExpendituresClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromPurchasesOfFinancialAssetsClassifiedAsInvestingActivities" abstract="false" name="ProceedsFromPurchasesOfFinancialAssetsClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PurchaseOfInvestmentInACPAdvancedCircuitPursuitNetOfCashAcquired" abstract="false" name="PurchaseOfInvestmentInACPAdvancedCircuitPursuitNetOfCashAcquired" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromSalesOfDigitalAssets" abstract="false" name="ProceedsFromSalesOfDigitalAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" abstract="false" name="ProceedsFromSalesOfPropertyPlantAndEquipmentAndIntangibleAssetsClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromConvertibleBorrowingsIssuedNet" abstract="false" name="ProceedsFromConvertibleBorrowingsIssuedNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromExerciseOfPreFundedAndCommonWarrants" abstract="false" name="ProceedsFromExerciseOfPreFundedAndCommonWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromRepaymentOfInterestBearingReceivablesFinancing" abstract="false" name="ProceedsFromRepaymentOfInterestBearingReceivablesFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromBorrowingsOfResearchProjectFinancingIssued" abstract="false" name="ProceedsFromBorrowingsOfResearchProjectFinancingIssued" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PurchaseOfOwnShares" abstract="false" name="PurchaseOfOwnShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_RepaymentsOfLoans" abstract="false" name="RepaymentsOfLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_RepaymentOfGovernmentLoans" abstract="false" name="RepaymentOfGovernmentLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_RepaymentOfConvertibleDebtAndAccruedExpenses" abstract="false" name="RepaymentOfConvertibleDebtAndAccruedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_RepaymentsofInterestbearingResearchProjectFinancing" abstract="false" name="RepaymentsofInterestbearingResearchProjectFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DisclosureOfNatureOfBusinessExplanatoryTextBlock" abstract="false" name="DisclosureOfNatureOfBusinessExplanatoryTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_BusinessCombinationAbstract" abstract="true" name="BusinessCombinationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_A4GTechnologySaleToQualcommAndRelatedAgreementsAbstract" abstract="true" name="A4GTechnologySaleToQualcommAndRelatedAgreementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_OperatingsegmentsAbstract" abstract="true" name="OperatingsegmentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_IncomeTaxesAbstract" abstract="true" name="IncomeTaxesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_IntangibleAssetsAbstract" abstract="true" name="IntangibleAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_DigitalAssetsAbstract" abstract="true" name="DigitalAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_InventoriesAbstract" abstract="true" name="InventoriesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ShareCapitalReservesAndOtherEquityInterestAbstract" abstract="true" name="ShareCapitalReservesAndOtherEquityInterestAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ShareBasedPaymentArrangementsAbstract" abstract="true" name="ShareBasedPaymentArrangementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_FinancialInstrumentsAbstract" abstract="true" name="FinancialInstrumentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_GovernmentGrantsAbstract" abstract="true" name="GovernmentGrantsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_OtherProvisionsContingentLiabilitiesandContingentAssetsAbstract" abstract="true" name="OtherProvisionsContingentLiabilitiesandContingentAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_OtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryAbstract" abstract="true" name="OtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_RelatedPartyAbstract" abstract="true" name="RelatedPartyAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ConsolidationPolicy1PolicyTextBlock" abstract="false" name="ConsolidationPolicy1PolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_NewAccountingPronouncementsPolicy1PolicyTextBlock" abstract="false" name="NewAccountingPronouncementsPolicy1PolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_NewAccountingStandardsIssuedButNotYetEffectivePolicyPolicyTextBlock" abstract="false" name="NewAccountingStandardsIssuedButNotYetEffectivePolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_CostOfSalesPolicy1PolicyTextBlock" abstract="false" name="CostOfSalesPolicy1PolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DescriptionOfAccountingPolicyForGovernmentGrantsLoansAndResearchTaxCreditsPolicyTextBlock" abstract="false" name="DescriptionOfAccountingPolicyForGovernmentGrantsLoansAndResearchTaxCreditsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_CommitmentsAndContingenciesPolicy1PolicyTextBlock" abstract="false" name="CommitmentsAndContingenciesPolicy1PolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_UseOfEstimatesPolicy1PolicyTextBlock" abstract="false" name="UseOfEstimatesPolicy1PolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfExchangeRateForFunctionalCurrencyTableTextBlock" abstract="false" name="DisclosureOfExchangeRateForFunctionalCurrencyTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfFinanceIncomeAndCostsExplanatoryTableTextBlock" abstract="false" name="DisclosureOfFinanceIncomeAndCostsExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfCostOfSalesOperatingExpensesAndEmployeeBenefitsExplanatoryTableTextBlock" abstract="false" name="DisclosureOfCostOfSalesOperatingExpensesAndEmployeeBenefitsExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfResearchAndDevelopmentExpenseExplanatoryTableTextBlock" abstract="false" name="DisclosureOfResearchAndDevelopmentExpenseExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" abstract="false" name="DisclosureOfMajorComponentsOfTaxExpenseIncomeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock" abstract="false" name="DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAndAverageEffectiveTaxRateTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfNumberOfBitcoinTableTextBlock" abstract="false" name="DisclosureOfNumberOfBitcoinTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfInvestmentInBitcoinTableTextBlock" abstract="false" name="DisclosureOfInvestmentInBitcoinTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_ScheduleOfInventoryCurrent1TableTextBlock" abstract="false" name="ScheduleOfInventoryCurrent1TableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_ScheduleofAccountsNotesLoansandFinancingReceivable1TableTextBlock" abstract="false" name="ScheduleofAccountsNotesLoansandFinancingReceivable1TableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedExplanatoryTableTextBlock" abstract="false" name="DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_ScheduleOfCashAndCashEquivalents1TableTextBlock" abstract="false" name="ScheduleOfCashAndCashEquivalents1TableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfGovernmentGrantAdvancesAndLoansExplanatoryTableTextBlock" abstract="false" name="DisclosureOfGovernmentGrantAdvancesAndLoansExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfTheMainAssumptionsUsedInTheCalculationOfTheSwissPostEmploymentBenefitsTableTextBlock" abstract="false" name="DisclosureOfTheMainAssumptionsUsedInTheCalculationOfTheSwissPostEmploymentBenefitsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfReconciliationOfDefinedBenefitObligationTableTextBlock" abstract="false" name="DisclosureOfReconciliationOfDefinedBenefitObligationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfReconciliationOfFairValueOfPlanAssetsTableTextBlock" abstract="false" name="DisclosureOfReconciliationOfFairValueOfPlanAssetsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfOtherNonCurrentLiabilitiesTableTextBlock" abstract="false" name="DisclosureOfOtherNonCurrentLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfTradeAndOtherCurrentPayablesExplanatoryTableTextBlock" abstract="false" name="DisclosureOfTradeAndOtherCurrentPayablesExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatoryTableTextBlock" abstract="false" name="DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="sqns_DebtAgreementAxis" abstract="true" name="DebtAgreementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_DebtAgreementDomain" abstract="true" name="DebtAgreementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SecuredConvertibleDebenturePurchaseAgreementMember" abstract="true" name="SecuredConvertibleDebenturePurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DigitalAssetsTransactionsMember" abstract="true" name="DigitalAssetsTransactionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_WorkingCapital" abstract="false" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromConvertibleDebtAndWarrants" abstract="false" name="ProceedsFromConvertibleDebtAndWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_BorrowingsPercentageOfSecuredConvertibleDebentureAllowedToRepurchase" abstract="false" name="BorrowingsPercentageOfSecuredConvertibleDebentureAllowedToRepurchase" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_BorrowingsSecuredConvertibleDebentureAllowedToRepurchasePremium" abstract="false" name="BorrowingsSecuredConvertibleDebentureAllowedToRepurchasePremium" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_BorrowingsPercentageOfBitcoinAllowedForRelease" abstract="false" name="BorrowingsPercentageOfBitcoinAllowedForRelease" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_NumberOfBitcoinSold" abstract="false" name="NumberOfBitcoinSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_NumberOfBitcoinReleasedFromSecurityAndCollateralAgreements" abstract="false" name="NumberOfBitcoinReleasedFromSecurityAndCollateralAgreements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_AggregatePrincipalAmountOfOutstandingDebentures" abstract="false" name="AggregatePrincipalAmountOfOutstandingDebentures" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NumberOfBitcoin" abstract="false" name="NumberOfBitcoin" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_NumberOfBitcoinHeld" abstract="false" name="NumberOfBitcoinHeld" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_NumberOfBitcoinHeldAsCollateralForConvertibleDebt" abstract="false" name="NumberOfBitcoinHeldAsCollateralForConvertibleDebt" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_NumberOfUnrestrictedBitcoinHeld" abstract="false" name="NumberOfUnrestrictedBitcoinHeld" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_AssumedBitcoinMarketPrice" abstract="false" name="AssumedBitcoinMarketPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="sqns_BitcoinMarketPrice" abstract="false" name="BitcoinMarketPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_RevenueFromSoftwareMaintenanceAndSupportServicesPeriodOfMaintenance" abstract="false" name="RevenueFromSoftwareMaintenanceAndSupportServicesPeriodOfMaintenance" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" abstract="false" name="UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_SequansCommunicationsLtd.Member" abstract="true" name="SequansCommunicationsLtd.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SequansCommunicationsInc.Member" abstract="true" name="SequansCommunicationsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SequansCommunicationsLtd.Pte.Member" abstract="true" name="SequansCommunicationsLtd.Pte.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SequansCommunicationsIsrael2009Ltd.Member" abstract="true" name="SequansCommunicationsIsrael2009Ltd.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SequansCommunicationsFinlandOyMember" abstract="true" name="SequansCommunicationsFinlandOyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_BitquansHoldingsLLCMember" abstract="true" name="BitquansHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SequansCommunicationsSASMember" abstract="true" name="SequansCommunicationsSASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ACPAdvancedCircuitPursuitAGMember" abstract="true" name="ACPAdvancedCircuitPursuitAGMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_BuildingsAndLeaseholdImprovementsMember" abstract="true" name="BuildingsAndLeaseholdImprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FurnitureAndOfficeEquipmentMember" abstract="true" name="FurnitureAndOfficeEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" abstract="false" name="UsefulLivesOrDepreciationRatesPropertyPlantAndEquipmentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_ACPAdvancedCircuitPursuitAGACPMember" abstract="true" name="ACPAdvancedCircuitPursuitAGACPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_NonCurrentDepositsAndOtherReceivablesRecognisedAsOfAcquisitionDate" abstract="false" name="NonCurrentDepositsAndOtherReceivablesRecognisedAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentPrepaymentsRecognisedAsOfTheAcquisitionDate" abstract="false" name="CurrentPrepaymentsRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_OtherReceivablesRecognisedAsOfTheAcquisitionDate" abstract="false" name="OtherReceivablesRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentReceivablesFromTaxesOtherThanIncomeTaxRecognisedAsOfTheAcquisitionDate" abstract="false" name="CurrentReceivablesFromTaxesOtherThanIncomeTaxRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_IdentifiableAssetsAcquiredRecognisedAsOfAcquisitionDate" abstract="false" name="IdentifiableAssetsAcquiredRecognisedAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NonCurrentGovernmentResearchFinancingRecognisedAsOfTheAcquisitionDate" abstract="false" name="NonCurrentGovernmentResearchFinancingRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NonCurrentProvisionsRecognisedAsOfTheAcquisitionDate" abstract="false" name="NonCurrentProvisionsRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_TradePayablesRecognisedAsOfAcquisitionDate" abstract="false" name="TradePayablesRecognisedAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentGovernmentGrantsRecognisedAsOfTheAcquisitionDate" abstract="false" name="CurrentGovernmentGrantsRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentGovernmentResearchFinancingRecognisedAsOfTheAcquisitionDate" abstract="false" name="CurrentGovernmentResearchFinancingRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentContractLiabilitiesRecognisedAsOfTheAcquisitionDate" abstract="false" name="CurrentContractLiabilitiesRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_OtherCurrentLiabilitiesAndProvisionsRecognisedAsOfTheAcquisitionDate" abstract="false" name="OtherCurrentLiabilitiesAndProvisionsRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LiabilitiesRecognisedAsOfTheAcquisitionDate" abstract="false" name="LiabilitiesRecognisedAsOfTheAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CashFlowOnAcquisitionAbstract" abstract="true" name="CashFlowOnAcquisitionAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ConsiderationHeldInEscrow" abstract="false" name="ConsiderationHeldInEscrow" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CashFlowsFromBusinessAcquisition" abstract="false" name="CashFlowsFromBusinessAcquisition" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ChinaAndHongKongMember" abstract="true" name="ChinaAndHongKongMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FixedConsiderationTransferredAcquisitionDateFairValue" abstract="false" name="FixedConsiderationTransferredAcquisitionDateFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ConsiderationPaidInEscrow" abstract="false" name="ConsiderationPaidInEscrow" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_QualcommTechnologiesIncMember" abstract="true" name="QualcommTechnologiesIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_IPOfMonarch2AndCalliope2Member" abstract="true" name="IPOfMonarch2AndCalliope2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_IPOfMonarch2Member" abstract="true" name="IPOfMonarch2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_TaxJurisdictionAxisAxis" abstract="true" name="TaxJurisdictionAxisAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_TaxJurisdictionAxisDomain" abstract="true" name="TaxJurisdictionAxisDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ProceedsFromSaleOfIntangibleAndTangibleAssets" abstract="false" name="ProceedsFromSaleOfIntangibleAndTangibleAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_EscrowPayment" abstract="false" name="EscrowPayment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_EscrowHoldingPeriod" abstract="false" name="EscrowHoldingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dei:fiscalPeriodItemType"/>
  <xs:element id="sqns_CashReceived" abstract="false" name="CashReceived" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_GainOnSaleOfAssets" abstract="false" name="GainOnSaleOfAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AssetsSold" abstract="false" name="AssetsSold" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_SpecialTaxRate" abstract="false" name="SpecialTaxRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_NumberOfOperatingSegments1" abstract="false" name="NumberOfOperatingSegments1" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_RevenueRiskMember" abstract="true" name="RevenueRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_EuropeMiddleEastAndAfricaMember" abstract="true" name="EuropeMiddleEastAndAfricaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_InternationalMember" abstract="true" name="InternationalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_TechnologyIOTMember" abstract="true" name="TechnologyIOTMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_RadioTransceiversMember" abstract="true" name="RadioTransceiversMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LicenseFeeMember" abstract="true" name="LicenseFeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DevelopmentAndOtherServicesMember" abstract="true" name="DevelopmentAndOtherServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_RoyaltiesMember" abstract="true" name="RoyaltiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConcentrationRiskPercentage" abstract="false" name="ConcentrationRiskPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_RevenueFromSalesOfOtherServices" abstract="false" name="RevenueFromSalesOfOtherServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_RevenueFromSalesOfLicense" abstract="false" name="RevenueFromSalesOfLicense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DebtAmendmentNetIncome" abstract="false" name="DebtAmendmentNetIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_InterestExpenseonFinancingofLongTermServicesAgreement" abstract="false" name="InterestExpenseonFinancingofLongTermServicesAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LossOnDebtExtinguishment" abstract="false" name="LossOnDebtExtinguishment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_InterestExpenseOnNoncurrentPayablesToTradeSuppliers" abstract="false" name="InterestExpenseOnNoncurrentPayablesToTradeSuppliers" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LoansAndFinanceLeasesRelatedToConvertibleDebtsIssuedAndGovernmentLoansGrantedMember" abstract="true" name="LoansAndFinanceLeasesRelatedToConvertibleDebtsIssuedAndGovernmentLoansGrantedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchTaxCreditAxis" abstract="true" name="ResearchTaxCreditAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ResearchTaxCreditDomain" abstract="true" name="ResearchTaxCreditDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchTaxCredit2021Member" abstract="true" name="ResearchTaxCredit2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchTaxCredit2020Member" abstract="true" name="ResearchTaxCredit2020Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchTaxCredit2022Member" abstract="true" name="ResearchTaxCredit2022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchTaxCredit2023Member" abstract="true" name="ResearchTaxCredit2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleDebtAmendmentNetIncome" abstract="false" name="ConvertibleDebtAmendmentNetIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ExpenseByNatureTable" abstract="true" name="ExpenseByNatureTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_IncomeStatementLocation1Axis" abstract="true" name="IncomeStatementLocation1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_IncomeStatementLocation1Domain" abstract="true" name="IncomeStatementLocation1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CostOfSales1Member" abstract="true" name="CostOfSales1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_OperatingExpenseNettingMember" abstract="true" name="OperatingExpenseNettingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ExpenseByNatureLineItems" abstract="true" name="ExpenseByNatureLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_GainOnSaleOf4GIntangibleAndTangibleAssets" abstract="false" name="GainOnSaleOf4GIntangibleAndTangibleAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DepreciationAndImpairmentExpense" abstract="false" name="DepreciationAndImpairmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ServicesAndRoyaltyExpense" abstract="false" name="ServicesAndRoyaltyExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentCosts" abstract="false" name="ResearchAndDevelopmentCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentTaxCredit" abstract="false" name="ResearchAndDevelopmentTaxCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentCostsCapitalizedNetOfTaxCredit" abstract="false" name="ResearchAndDevelopmentCostsCapitalizedNetOfTaxCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CapitalizedResearchAndDevelopmentCostsAmortization" abstract="false" name="CapitalizedResearchAndDevelopmentCostsAmortization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentTaxCreditCapitalised" abstract="false" name="ResearchAndDevelopmentTaxCreditCapitalised" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CapitalizedResearchAndDevelopmentCosts" abstract="false" name="CapitalizedResearchAndDevelopmentCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_WithholdingTax" abstract="false" name="WithholdingTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_IncreaseInTaxExpenseAtApplicableTaxRate" abstract="false" name="IncreaseInTaxExpenseAtApplicableTaxRate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DeferredTaxAssetUtilized" abstract="false" name="DeferredTaxAssetUtilized" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_TaxExpenseIncomeAtIpSpecialTaxRate" abstract="false" name="TaxExpenseIncomeAtIpSpecialTaxRate" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_TaxEffectOfTaxCredits" abstract="false" name="TaxEffectOfTaxCredits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_TaxEffectOfWithholdingTax" abstract="false" name="TaxEffectOfWithholdingTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_EffectOfTaxLossCarryforwardUtilizationOnTaxExpense" abstract="false" name="EffectOfTaxLossCarryforwardUtilizationOnTaxExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_TaxLossesUtilised" abstract="false" name="TaxLossesUtilised" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_RoyaltyAccrualMember" abstract="true" name="RoyaltyAccrualMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_GovernmentLoansMember" abstract="true" name="GovernmentLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FixedAssetsMember" abstract="true" name="FixedAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FinancialExpenseMember" abstract="true" name="FinancialExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LeaseContractsMember" abstract="true" name="LeaseContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_RemeasurementOfNonMonetaryAccountsMember" abstract="true" name="RemeasurementOfNonMonetaryAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DeferredRevenueMember" abstract="true" name="DeferredRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleDebtAndVentureDebtEquityMember" abstract="true" name="ConvertibleDebtAndVentureDebtEquityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_OtherProvisionsAndAccrualsMember" abstract="true" name="OtherProvisionsAndAccrualsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature1" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalConvertibleDebtWithConversionFeature1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_EffectOfVestingOfRestrictedStock" abstract="false" name="EffectOfVestingOfRestrictedStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_EffectOfConversionOfConvertibleNotes" abstract="false" name="EffectOfConversionOfConvertibleNotes" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_WeightedAverageNumberOfTreasuryShares" abstract="false" name="WeightedAverageNumberOfTreasuryShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfTreasurySharesHeld" abstract="false" name="NumberOfTreasurySharesHeld" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_PlantAndEquipmentMember" abstract="true" name="PlantAndEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_InformationTechnologyAndOfficeEquipmentMember" abstract="true" name="InformationTechnologyAndOfficeEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_RealEstateRightofuseAssetsMember" abstract="true" name="RealEstateRightofuseAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ITandOfficeEquipmentRightofuseAssetsMember" abstract="true" name="ITandOfficeEquipmentRightofuseAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LicensesAndAcquiredTechnologyMember" abstract="true" name="LicensesAndAcquiredTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DevelopmentOfThe5GMember" abstract="true" name="DevelopmentOfThe5GMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ThirdPartyLicencesMember" abstract="true" name="ThirdPartyLicencesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FairValueOfIntangibleAssets" abstract="false" name="FairValueOfIntangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NumberOfBitcoinAdded" abstract="false" name="NumberOfBitcoinAdded" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_AdditionsOtherThanThroughBusinessCombinationsDigitalAssets" abstract="false" name="AdditionsOtherThanThroughBusinessCombinationsDigitalAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DisposalsDigitalAssets" abstract="false" name="DisposalsDigitalAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NumberOfBitcoinRestricted" abstract="false" name="NumberOfBitcoinRestricted" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_NumberOfBitcoinUnrestricted" abstract="false" name="NumberOfBitcoinUnrestricted" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_DecreaseInTheMarketPriceBitcoin" abstract="false" name="DecreaseInTheMarketPriceBitcoin" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_LossesOnDigitalAssetsMarketPrice" abstract="false" name="LossesOnDigitalAssetsMarketPrice" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_InventoryAdjustmentsMember" abstract="true" name="InventoryAdjustmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LeadTimesIncreasedCOVID19AndOtherSupplyChainConstraintsMember" abstract="true" name="LeadTimesIncreasedCOVID19AndOtherSupplyChainConstraintsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ProvisionToServeExpectedDemandForCustomersAndProjectsMember" abstract="true" name="ProvisionToServeExpectedDemandForCustomersAndProjectsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CurrentTradeReceivablesGross" abstract="false" name="CurrentTradeReceivablesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_TradeReceivablesProvisions" abstract="false" name="TradeReceivablesProvisions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LaterThanTwoMonthsAndNotLaterThanFourMonthsMember" abstract="true" name="LaterThanTwoMonthsAndNotLaterThanFourMonthsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CurrentDepositAssets" abstract="false" name="CurrentDepositAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CashCashEquivalentsAndDeposit" abstract="false" name="CashCashEquivalentsAndDeposit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CashEquivalentsHeldForDigitalAssets" abstract="false" name="CashEquivalentsHeldForDigitalAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DisclosureOfCashAndCashEquivalentsTable" abstract="true" name="DisclosureOfCashAndCashEquivalentsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_OtherCurrenciesMember" abstract="true" name="OtherCurrenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DisclosureOfCashAndCashEquivalentsLineItems" abstract="true" name="DisclosureOfCashAndCashEquivalentsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_AmericanDepositorySharesMember" abstract="true" name="AmericanDepositorySharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleNotes20191Member" abstract="true" name="ConvertibleNotes20191Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleBorrowingsIssuedApril2015Member" abstract="true" name="ConvertibleBorrowingsIssuedApril2015Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_NumberOfSharesIssuedAndSharesReservedForIssue" abstract="false" name="NumberOfSharesIssuedAndSharesReservedForIssue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfCategoriesOfSharesAuthorised" abstract="false" name="NumberOfCategoriesOfSharesAuthorised" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_NumberOfSharesRepurchased" abstract="false" name="NumberOfSharesRepurchased" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_AveragePricePerADS" abstract="false" name="AveragePricePerADS" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="sqns_NumberOfTreasurySharesRepurchased" abstract="false" name="NumberOfTreasurySharesRepurchased" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_SharePricePerADS" abstract="false" name="SharePricePerADS" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_NumberOfSharePreFundedWarrantsIssued" abstract="false" name="NumberOfSharePreFundedWarrantsIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_SharePricePerPreFundedWarrant" abstract="false" name="SharePricePerPreFundedWarrant" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_SharePurchasePricePerADS" abstract="false" name="SharePurchasePricePerADS" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="sqns_WarrantsExercisePricePerADS" abstract="false" name="WarrantsExercisePricePerADS" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_NumberOfWarrantsIssuedToShareholders" abstract="false" name="NumberOfWarrantsIssuedToShareholders" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfWarrantsIssuedToDebtHolders" abstract="false" name="NumberOfWarrantsIssuedToDebtHolders" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_WarrantsExercisePeriod" abstract="false" name="WarrantsExercisePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights1" abstract="false" name="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights1" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_WarrantsExercisePrice" abstract="false" name="WarrantsExercisePrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_NumberOfSharesIssuableByWarrants" abstract="false" name="NumberOfSharesIssuableByWarrants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfWarrantsIssued" abstract="false" name="NumberOfWarrantsIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_WarrantSubscriptionPrice" abstract="false" name="WarrantSubscriptionPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertibleConversionRatio2" abstract="false" name="DebtInstrumentConvertibleConversionRatio2" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="sqns_ConvertibleNotes2016And20191Member" abstract="true" name="ConvertibleNotes2016And20191Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ShareholderLoanAgreementMember" abstract="true" name="ShareholderLoanAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_BpifranceParticipationsMember" abstract="true" name="BpifranceParticipationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_BRileyFBRIncMember" abstract="true" name="BRileyFBRIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SharePrice1" abstract="false" name="SharePrice1" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_BorrowingsAccruedInterestAndConversionBonus" abstract="false" name="BorrowingsAccruedInterestAndConversionBonus" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_BorrowingsAccruedInterest" abstract="false" name="BorrowingsAccruedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_MaximumPercentageOfOrdinarySharesPlacedWithinOfferingProvidedToCoverUnderwritersOverAllotmentOption" abstract="false" name="MaximumPercentageOfOrdinarySharesPlacedWithinOfferingProvidedToCoverUnderwritersOverAllotmentOption" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_IncreaseDecreaseInNumberOfADSIssued" abstract="false" name="IncreaseDecreaseInNumberOfADSIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_IncreaseDecreaseInNumberOfUnderwritersOverAllotmentSharesIssued" abstract="false" name="IncreaseDecreaseInNumberOfUnderwritersOverAllotmentSharesIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfADSIssuedThroughConversionOfConvertibleInstrumentsEquity" abstract="false" name="NumberOfADSIssuedThroughConversionOfConvertibleInstrumentsEquity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfSharesIssuedThroughConversionOfConvertibleInstrumentsEquity" abstract="false" name="NumberOfSharesIssuedThroughConversionOfConvertibleInstrumentsEquity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_AggregateOfferingPrice" abstract="false" name="AggregateOfferingPrice" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_IssueOfEquityNetProceeds" abstract="false" name="IssueOfEquityNetProceeds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_Warrant1Member" abstract="true" name="Warrant1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_RestrictedShareAwardsRSAMember" abstract="true" name="RestrictedShareAwardsRSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_RestrictedStock1Member" abstract="true" name="RestrictedStock1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_TitleOfIndividual1Axis" abstract="true" name="TitleOfIndividual1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_RelationshipToEntityDomain" abstract="true" name="RelationshipToEntityDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConsultantsMember" abstract="true" name="ConsultantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod2" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod2" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndOtherEquityInstrumentsInShareBasedPaymentArrangement" abstract="false" name="WeightedAverageRemainingContractualLifeOfOutstandingShareOptionsAndOtherEquityInstrumentsInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_ExercisePriceOfOutstandingShareOptionsAndOtherEquityInstrumentsInShareBasedPaymentArrangement" abstract="false" name="ExercisePriceOfOutstandingShareOptionsAndOtherEquityInstrumentsInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_WeightedAverageFairValueAtMeasurementDateShareOptionsAndOtherEquityInstrumentsGranted" abstract="false" name="WeightedAverageFairValueAtMeasurementDateShareOptionsAndOtherEquityInstrumentsGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_SellingPriceMultipleShareOptionsAndOtherEquityInstrumentsGrantedOption1" abstract="false" name="SellingPriceMultipleShareOptionsAndOtherEquityInstrumentsGrantedOption1" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="sqns_SellingPriceMultipleShareOptionsAndOtherEquityInstrumentsGranted" abstract="false" name="SellingPriceMultipleShareOptionsAndOtherEquityInstrumentsGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="sqns_WeightedAverageSharePriceofShareOptionsAndOtherEquityInstrumentsInShareBasedPaymentArrangementChangeAsPercentage" abstract="false" name="WeightedAverageSharePriceofShareOptionsAndOtherEquityInstrumentsInShareBasedPaymentArrangementChangeAsPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_ShareBasedCompensationArrangementByShareBasedPaymentAwardChangeInCompensationCostPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardChangeInCompensationCostPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_CostOfRevenueMember" abstract="true" name="CostOfRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentMember" abstract="true" name="ResearchAndDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SalesAndMarketingMember" abstract="true" name="SalesAndMarketingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_GeneralAndAdministrativeMember" abstract="true" name="GeneralAndAdministrativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FoundersWarrantsAndStockOptionsMember" abstract="true" name="FoundersWarrantsAndStockOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_Vesting1Axis" abstract="true" name="Vesting1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_Vesting1Domain" abstract="true" name="Vesting1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ShareBasedCompensationAwardTrancheOne1Member" abstract="true" name="ShareBasedCompensationAwardTrancheOne1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ShareBasedCompensationAwardTrancheTwo1Member" abstract="true" name="ShareBasedCompensationAwardTrancheTwo1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ShareBasedCompensationAwardTrancheThree1Member" abstract="true" name="ShareBasedCompensationAwardTrancheThree1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ShareBasedCompensationAwardTrancheFourMember" abstract="true" name="ShareBasedCompensationAwardTrancheFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SharebasedCompensationAwardTrancheFiveMember" abstract="true" name="SharebasedCompensationAwardTrancheFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_VestingSemiAnuallyOverTheRemainingTwoYearsMember" abstract="true" name="VestingSemiAnuallyOverTheRemainingTwoYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_VestingAfterTheTwoYearAnniversaryOfGrantMember" abstract="true" name="VestingAfterTheTwoYearAnniversaryOfGrantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_VestingSemiAnnuallyOverTheRemainingYearMember" abstract="true" name="VestingSemiAnnuallyOverTheRemainingYearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_ShareBasedCompensationArrangementByShareBasedPaymentAwardSalePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSalePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_NumberOfShareOptionsAndOtherEquityInstrumentsOutstandingInShareBasedPaymentArrangement" abstract="false" name="NumberOfShareOptionsAndOtherEquityInstrumentsOutstandingInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfShareOptionsAndOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement" abstract="false" name="NumberOfShareOptionsAndOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfShareOptionsAndOtherEquityInstrumentsForfeitedInShareBasedPaymentArrangement" abstract="false" name="NumberOfShareOptionsAndOtherEquityInstrumentsForfeitedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfShareOptionsAndOtherEquityInstrumentsExercisedOrVestedInShareBasedPaymentArrangement" abstract="false" name="NumberOfShareOptionsAndOtherEquityInstrumentsExercisedOrVestedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfShareOptionsAndOtherEquityInstrumentsExpiredInShareBasedPaymentArrangement" abstract="false" name="NumberOfShareOptionsAndOtherEquityInstrumentsExpiredInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_NumberOfShareOptionsAndOtherEquityInstrumentsExercisableInShareBasedPaymentArrangement" abstract="false" name="NumberOfShareOptionsAndOtherEquityInstrumentsExercisableInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="sqns_WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsOutstandingInShareBasedPaymentArrangement" abstract="false" name="WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsOutstandingInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement" abstract="false" name="WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsGrantedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsForfeitedInShareBasedPaymentArrangement" abstract="false" name="WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsForfeitedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsExercisedInShareBasedPaymentArrangement" abstract="false" name="WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsExercisedInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsExpiredInShareBasedPaymentArrangement" abstract="false" name="WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsExpiredInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsExercisableInShareBasedPaymentArrangement" abstract="false" name="WeightedAverageExercisePriceOfShareOptionsAndOtherEquityInstrumentsExercisableInShareBasedPaymentArrangement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_StockOptionsMember" abstract="true" name="StockOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ExpectedDividendAsPercentageShareOptionsAndOtherEquityInstrumentsGranted" abstract="false" name="ExpectedDividendAsPercentageShareOptionsAndOtherEquityInstrumentsGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_ExpectedVolatilityShareOptionsAndOtherEquityInstrumentsGranted" abstract="false" name="ExpectedVolatilityShareOptionsAndOtherEquityInstrumentsGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_RiskFreeInterestRateShareOptionsAndOtherEquityInstrumentsGranted" abstract="false" name="RiskFreeInterestRateShareOptionsAndOtherEquityInstrumentsGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_AssumedAnnualLapseRateShareOptionsAndOtherEquityInstrumentsGranted" abstract="false" name="AssumedAnnualLapseRateShareOptionsAndOtherEquityInstrumentsGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_AssumedAnnualLapseRateOtherEquityInstrumentsGranted" abstract="false" name="AssumedAnnualLapseRateOtherEquityInstrumentsGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_WeightedAverageSharePriceShareOptionsAndOtherEquityInstrumentsGranted" abstract="false" name="WeightedAverageSharePriceShareOptionsAndOtherEquityInstrumentsGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_BorrowingsExcludingGovernmentLoansAndResearchProjectFinancingMember" abstract="true" name="BorrowingsExcludingGovernmentLoansAndResearchProjectFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FinanceLeaseLiabilitiesMember" abstract="true" name="FinanceLeaseLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleBorrowingsEmbeddedDerivativeMember" abstract="true" name="ConvertibleBorrowingsEmbeddedDerivativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_NonCurrentPortionOfNonCurrentConvertibleBorrowingsIssued" abstract="false" name="NonCurrentPortionOfNonCurrentConvertibleBorrowingsIssued" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ConversionPriceAdjustmentMember" abstract="true" name="ConversionPriceAdjustmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleNotes20192Member" abstract="true" name="ConvertibleNotes20192Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleNotesAmendedOptionOneMember" abstract="true" name="ConvertibleNotesAmendedOptionOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleNotesAmendedOptionTwoMember" abstract="true" name="ConvertibleNotesAmendedOptionTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleNotesAmendedOptionThreeMember" abstract="true" name="ConvertibleNotesAmendedOptionThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleBorrowingsIssuedSeptember2018Member" abstract="true" name="ConvertibleBorrowingsIssuedSeptember2018Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleNotes2015And2018NokomisMember" abstract="true" name="ConvertibleNotes2015And2018NokomisMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleNotes2021LynrockLakeNoteMember" abstract="true" name="ConvertibleNotes2021LynrockLakeNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleNotes2018NokomisMember" abstract="true" name="ConvertibleNotes2018NokomisMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SecuredConvertibleDebenturesMember" abstract="true" name="SecuredConvertibleDebenturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_VolatilityMeasurementInputMember" abstract="true" name="VolatilityMeasurementInputMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_YearOneMember" abstract="true" name="YearOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_YearTwoMember" abstract="true" name="YearTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AfterTwoYearsMember" abstract="true" name="AfterTwoYearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_GainLossOnDebtModification" abstract="false" name="GainLossOnDebtModification" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertibleConversionPricePerShare" abstract="false" name="DebtInstrumentConvertibleConversionPricePerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertibleConversionPricePremiumPercentage" abstract="false" name="DebtInstrumentConvertibleConversionPricePremiumPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertiblePaymentInKindInterestRate" abstract="false" name="DebtInstrumentConvertiblePaymentInKindInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertibleWarrantPercentageOfNoteValue" abstract="false" name="DebtInstrumentConvertibleWarrantPercentageOfNoteValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertibleWarrantExercisePricePercentage" abstract="false" name="DebtInstrumentConvertibleWarrantExercisePricePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertibleConversionPricePerADS" abstract="false" name="DebtInstrumentConvertibleConversionPricePerADS" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="sqns_DebtInstrumentOwnershipLimit" abstract="false" name="DebtInstrumentOwnershipLimit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertibleInterestRate" abstract="false" name="DebtInstrumentConvertibleInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_DebtInstrumentConvertibleInterestRateAfterTheSecondAnniversary" abstract="false" name="DebtInstrumentConvertibleInterestRateAfterTheSecondAnniversary" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_HigherOfConversionPrice" abstract="false" name="HigherOfConversionPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="sqns_AverageVWAPBasedConversionPriceAdjustment" abstract="false" name="AverageVWAPBasedConversionPriceAdjustment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_EffectiveInterestRateExcludingTransactionCosts" abstract="false" name="EffectiveInterestRateExcludingTransactionCosts" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_EffectiveInterestRateIncludingTransactionCosts" abstract="false" name="EffectiveInterestRateIncludingTransactionCosts" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_RepurchaseOfTheSecuredConvertibleDebenturesPercentage" abstract="false" name="RepurchaseOfTheSecuredConvertibleDebenturesPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_PremiumOnSecuredConvertibleDebenturesRepurchasePercentage" abstract="false" name="PremiumOnSecuredConvertibleDebenturesRepurchasePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_RepurchasePriceOfSecuredConvertibleDebentures" abstract="false" name="RepurchasePriceOfSecuredConvertibleDebentures" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_GainsLossesOnChangeInFairValueOfTheRemainingDerivatives" abstract="false" name="GainsLossesOnChangeInFairValueOfTheRemainingDerivatives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_GainLossOnDerecognitionOfFinancialLiabilities" abstract="false" name="GainLossOnDerecognitionOfFinancialLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_RepurchaseOfFinancialLiabilities" abstract="false" name="RepurchaseOfFinancialLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_UnsecuredRelatedPartyLoanMember" abstract="true" name="UnsecuredRelatedPartyLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertiblesNotesNokomisLynrockMember" abstract="true" name="ConvertiblesNotesNokomisLynrockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SecurityPurchaseAgreementMember" abstract="true" name="SecurityPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SecondSecurityPurchaseAgreementMember" abstract="true" name="SecondSecurityPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_OrdinarySharesAndADSMember" abstract="true" name="OrdinarySharesAndADSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_RenesasElectronicsCorporationMember" abstract="true" name="RenesasElectronicsCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_A272CapitalFundLPMember" abstract="true" name="A272CapitalFundLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleDebtAmendmentNet" abstract="false" name="ConvertibleDebtAmendmentNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LoanPrincipalRepaid" abstract="false" name="LoanPrincipalRepaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AccruedInterestPaid" abstract="false" name="AccruedInterestPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ServiceSalesMember" abstract="true" name="ServiceSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_InterestBearingReceivablesFinancingResearchTaxCreditMember" abstract="true" name="InterestBearingReceivablesFinancingResearchTaxCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LondonInterbankOfferedRateLIBOR1Member" abstract="true" name="LondonInterbankOfferedRateLIBOR1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_BorrowingsAvailablePercentageOfFaceValueOfDerecognisedAssets" abstract="false" name="BorrowingsAvailablePercentageOfFaceValueOfDerecognisedAssets" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_ExclusionFromBorrowingsPastDuePeriod" abstract="false" name="ExclusionFromBorrowingsPastDuePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_OtherCurrentReceivablesToBeRecoveredInTheFuture" abstract="false" name="OtherCurrentReceivablesToBeRecoveredInTheFuture" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_OtherNonCurrentReceivablesToBeRecoveredInTheFuture" abstract="false" name="OtherNonCurrentReceivablesToBeRecoveredInTheFuture" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DisclosureofLeasesTable" abstract="true" name="DisclosureofLeasesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_IFRS16Member" abstract="true" name="IFRS16Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DisclosureofLeasesLineItems" abstract="true" name="DisclosureofLeasesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_RentExpenseonLeases" abstract="false" name="RentExpenseonLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdditionsonLeaseLiabilities" abstract="false" name="AdditionsonLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DisposalsOnLeaseLiabilities" abstract="false" name="DisposalsOnLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ForeignExchangeGainLossonLeaseLiabilities" abstract="false" name="ForeignExchangeGainLossonLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PaymentsofLeaseLiabilities" abstract="false" name="PaymentsofLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentGovernmentGrantAdvances" abstract="false" name="CurrentGovernmentGrantAdvances" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentResearchProjectFinancing" abstract="false" name="CurrentResearchProjectFinancing" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentGovernmentLoansNet" abstract="false" name="CurrentGovernmentLoansNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CurrentGovernmentGrantsNet" abstract="false" name="CurrentGovernmentGrantsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NonCurrentGovernmentGrantAdvances" abstract="false" name="NonCurrentGovernmentGrantAdvances" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NonCurrentResearchProjectFinancing" abstract="false" name="NonCurrentResearchProjectFinancing" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NonCurrentGovernmentGrantsNet" abstract="false" name="NonCurrentGovernmentGrantsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_GovernmentGrantAdvancesFundingCommitmentAmount" abstract="false" name="GovernmentGrantAdvancesFundingCommitmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ScheduleOfResearchAndDevelopmentArrangementContractToPerformForOthers1Table" abstract="true" name="ScheduleOfResearchAndDevelopmentArrangementContractToPerformForOthers1Table" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ResearchProjectFinancingGovernmentGrantMember" abstract="true" name="ResearchProjectFinancingGovernmentGrantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchProjectFinancingMember" abstract="true" name="ResearchProjectFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchandDevelopmentArrangementContracttoPerformforOthers1LineItems" abstract="true" name="ResearchandDevelopmentArrangementContracttoPerformforOthers1LineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_GovernmentGrantAdvancesNumberOfCollaborativeProjectsEnteredDuringPeriod" abstract="false" name="GovernmentGrantAdvancesNumberOfCollaborativeProjectsEnteredDuringPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_GovernmentGrantAdvancesTermOfProject" abstract="false" name="GovernmentGrantAdvancesTermOfProject" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_GovernmentGrantAdvancesAndLoansMember" abstract="true" name="GovernmentGrantAdvancesAndLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentArrangementContractToPerformForOthersType1Axis" abstract="true" name="ResearchAndDevelopmentArrangementContractToPerformForOthersType1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentArrangementContractToPerformForOthersType1Domain" abstract="true" name="ResearchAndDevelopmentArrangementContractToPerformForOthersType1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_RoyaltyAgreementTerms1Member" abstract="true" name="RoyaltyAgreementTerms1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ProjectAxis" abstract="true" name="ProjectAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_Project1Domain" abstract="true" name="Project1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LongTermResearchProjectOctober2014Member" abstract="true" name="LongTermResearchProjectOctober2014Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LongTermResearchProjectJanuary2016Member" abstract="true" name="LongTermResearchProjectJanuary2016Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LongTermResearchProjectMarch2024Member" abstract="true" name="LongTermResearchProjectMarch2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchProjectFinancingForgivableLoanMember" abstract="true" name="ResearchProjectFinancingForgivableLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_NumberOfInstallmentsAxis" abstract="true" name="NumberOfInstallmentsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_NumberOfInstallmentsDomain" abstract="true" name="NumberOfInstallmentsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FirstInstallmentMember" abstract="true" name="FirstInstallmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentArrangementContractToPerformForOthersTerm" abstract="false" name="ResearchAndDevelopmentArrangementContractToPerformForOthersTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_BorrowingsNumberOfInstallments" abstract="false" name="BorrowingsNumberOfInstallments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_DebtInstrumentIncreaseDecreaseForPeriodNet1" abstract="false" name="DebtInstrumentIncreaseDecreaseForPeriodNet1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentArrangementContractToPerformForOthersExcessSalesThreshold" abstract="false" name="ResearchAndDevelopmentArrangementContractToPerformForOthersExcessSalesThreshold" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentArrangementContractToPerformForOthersPeriodAfterDateOfTermination" abstract="false" name="ResearchAndDevelopmentArrangementContractToPerformForOthersPeriodAfterDateOfTermination" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentArrangementContractToPerformForOthersRoyaltyPercentage" abstract="false" name="ResearchAndDevelopmentArrangementContractToPerformForOthersRoyaltyPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_ResearchAndDevelopmentArrangementContractToPerformForOthersMaximumRoyaltyPayable" abstract="false" name="ResearchAndDevelopmentArrangementContractToPerformForOthersMaximumRoyaltyPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromGovernmentGrants" abstract="false" name="ProceedsFromGovernmentGrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DebtCarryingValueReduction" abstract="false" name="DebtCarryingValueReduction" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NonCurrentInterestPayableResearchProjectFinancing" abstract="false" name="NonCurrentInterestPayableResearchProjectFinancing" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_GovernmentLoans5.24PercentLoanMember" abstract="true" name="GovernmentLoans5.24PercentLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_GovernmentLoansInterestFreeLoanMember" abstract="true" name="GovernmentLoansInterestFreeLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_GovernmentLoanCovid19SupportPlanMember" abstract="true" name="GovernmentLoanCovid19SupportPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_BorrowingsMaturityTerm" abstract="false" name="BorrowingsMaturityTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_GainLossOnDebtExtinguishment" abstract="false" name="GainLossOnDebtExtinguishment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProvisionsForEmployeeBenefitsNettingMember" abstract="true" name="ProvisionsForEmployeeBenefitsNettingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ACPRetirementProvisionAtAcquisitionDate" abstract="false" name="ACPRetirementProvisionAtAcquisitionDate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DirectorsVicePresidentsAndManagersMember" abstract="true" name="DirectorsVicePresidentsAndManagersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_OtherEmployeesMember" abstract="true" name="OtherEmployeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ExecutiveTeamMember" abstract="true" name="ExecutiveTeamMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_NumberOfEmployeesRetiredDuringTheYear" abstract="false" name="NumberOfEmployeesRetiredDuringTheYear" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_UnusedProvisionReversedRetirementIndemnity" abstract="false" name="UnusedProvisionReversedRetirementIndemnity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ActuarialAssumptionOfInterestRateOnSavingsCapitalFor20172023" abstract="false" name="ActuarialAssumptionOfInterestRateOnSavingsCapitalFor20172023" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_ActuarialAssumptionOfInterestRateOnSavingsCapitalFor20242026" abstract="false" name="ActuarialAssumptionOfInterestRateOnSavingsCapitalFor20242026" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_ActuarialAssumptionOfBenefitConversionRate" abstract="false" name="ActuarialAssumptionOfBenefitConversionRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_ActuarialAssumptionOfTurnover" abstract="false" name="ActuarialAssumptionOfTurnover" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_ActuarialAssumptionOfInterestRateOnSavingsCapital" abstract="false" name="ActuarialAssumptionOfInterestRateOnSavingsCapital" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_ActuarialAssumptionOfBenefitOptionsAtRetirement" abstract="false" name="ActuarialAssumptionOfBenefitOptionsAtRetirement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_BenefitsPaidDepositedDefinedBenefitPlans" abstract="false" name="BenefitsPaidDepositedDefinedBenefitPlans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ActuarialGainLossOnDefinedBenefitObligation" abstract="false" name="ActuarialGainLossOnDefinedBenefitObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ForeignExchangeDifferencesOnDefinedBenefitObligations" abstract="false" name="ForeignExchangeDifferencesOnDefinedBenefitObligations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ContributionByPlanParticipants" abstract="false" name="ContributionByPlanParticipants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ForeignExchangeDifferencesOnPlanAssets" abstract="false" name="ForeignExchangeDifferencesOnPlanAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DiscountRate0.25Member" abstract="true" name="DiscountRate0.25Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DiscountRatePlus0.25Member" abstract="true" name="DiscountRatePlus0.25Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_InterestRate0.25Member" abstract="true" name="InterestRate0.25Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_InterestRatePlus0.25Member" abstract="true" name="InterestRatePlus0.25Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SalaryIncreaseRate0.25Member" abstract="true" name="SalaryIncreaseRate0.25Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SalaryIncreaseRatePlus0.25Member" abstract="true" name="SalaryIncreaseRatePlus0.25Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LifeExpectancy1YearMember" abstract="true" name="LifeExpectancy1YearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LifeExpectancyLess1YearMember" abstract="true" name="LifeExpectancyLess1YearMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_PensionIncreaseRate0.25Member" abstract="true" name="PensionIncreaseRate0.25Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_PensionIncreaseRatePlus0.25Member" abstract="true" name="PensionIncreaseRatePlus0.25Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SCOfNextYearWithDR0.25138072127117Member" abstract="true" name="SCOfNextYearWithDR0.25138072127117Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SCOfNextYearWithIR0.25155262142156Member" abstract="true" name="SCOfNextYearWithIR0.25155262142156Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_NonCurrentTradePayableOtherThanACPContigent" abstract="false" name="NonCurrentTradePayableOtherThanACPContigent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ACPContingentPurchasePricePayable" abstract="false" name="ACPContingentPurchasePricePayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DeferredIncomeClassifiedasNoncurrentStrategicAgreement" abstract="false" name="DeferredIncomeClassifiedasNoncurrentStrategicAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PurchaseCommitmentExcludingLongtermCommitment1Table" abstract="true" name="PurchaseCommitmentExcludingLongtermCommitment1Table" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_AgreementAxis" abstract="true" name="AgreementAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_AgreementDomain" abstract="true" name="AgreementDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ManufacturingServicesAgreementMember" abstract="true" name="ManufacturingServicesAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AllPatentsLicenceMember" abstract="true" name="AllPatentsLicenceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_PurchaseCommitmentExcludingLongTermCommitmentLineItems" abstract="true" name="PurchaseCommitmentExcludingLongTermCommitmentLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_LicenseandServicesAgreementRevenue" abstract="false" name="LicenseandServicesAgreementRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LicenseandServicesAgreementContractLiability" abstract="false" name="LicenseandServicesAgreementContractLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LicenseandServicesAgreementCurrentContractLiability" abstract="false" name="LicenseandServicesAgreementCurrentContractLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_LicenseandServicesAgreementNoncurrentContractLiability" abstract="false" name="LicenseandServicesAgreementNoncurrentContractLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_AdvancePaymentsFromCustomers" abstract="false" name="AdvancePaymentsFromCustomers" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DeferredIncomeClassifiedasCurrentStrategicAgreement" abstract="false" name="DeferredIncomeClassifiedasCurrentStrategicAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DeferredRevenueArrangementType1Axis" abstract="true" name="DeferredRevenueArrangementType1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_DeferredRevenueArrangementType1Domain" abstract="true" name="DeferredRevenueArrangementType1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_NonsoftwareServiceSupportAndMaintenanceArrangement1Member" abstract="true" name="NonsoftwareServiceSupportAndMaintenanceArrangement1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DevelopmentServicesAgreementsMember" abstract="true" name="DevelopmentServicesAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_PurchaseCommitmentExcludingLongtermCommitment1Axis" abstract="true" name="PurchaseCommitmentExcludingLongtermCommitment1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_PurchaseCommitmentExcludingLongtermCommitment1Domain" abstract="true" name="PurchaseCommitmentExcludingLongtermCommitment1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_PurchaseCommitment1Member" abstract="true" name="PurchaseCommitment1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_A5GNewProductDevelopmentMember" abstract="true" name="A5GNewProductDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_A5GNewProductDevelopmentTeamOfEngineersMember" abstract="true" name="A5GNewProductDevelopmentTeamOfEngineersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_A5GBroadbandPlatformLicenceMember" abstract="true" name="A5GBroadbandPlatformLicenceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DevelopmentServicesMember" abstract="true" name="DevelopmentServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_StrategicPartnerMember" abstract="true" name="StrategicPartnerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_StrategicPartnerSecondAmendmentContract5GChipsetChinaMember" abstract="true" name="StrategicPartnerSecondAmendmentContract5GChipsetChinaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SecondStrategicPartnerFourthAmendmentContractMember" abstract="true" name="SecondStrategicPartnerFourthAmendmentContractMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ManufacturingSupplyAgreementMember" abstract="true" name="ManufacturingSupplyAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_PurchaseCommitmentExcludingLongTermCommitment2LineItems" abstract="true" name="PurchaseCommitmentExcludingLongTermCommitment2LineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_TradePayableTerm" abstract="false" name="TradePayableTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_TradePayablesDiscountRate" abstract="false" name="TradePayablesDiscountRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_DeferredRevenueArrangementPeriodOfRecognition" abstract="false" name="DeferredRevenueArrangementPeriodOfRecognition" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_LicenseAndServicesAgreementAdvancePayment" abstract="false" name="LicenseAndServicesAgreementAdvancePayment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DisclosureOfFinancialAssetsAndLiabilitiesTable" abstract="true" name="DisclosureOfFinancialAssetsAndLiabilitiesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_TradeAndOtherReceivablesMember" abstract="true" name="TradeAndOtherReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LoansAndOtherReceivablesMember" abstract="true" name="LoansAndOtherReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AvailableForSaleSecuritiesMember" abstract="true" name="AvailableForSaleSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CashCashEquivalentsAndShortTermInvestmentsMember" abstract="true" name="CashCashEquivalentsAndShortTermInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_InterestBearingLoansAndBorrowingsMember" abstract="true" name="InterestBearingLoansAndBorrowingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_TradeAndOtherPayablesMember" abstract="true" name="TradeAndOtherPayablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_FinancialLiabilitiesMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" abstract="true" name="FinancialLiabilitiesMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_Deposits1Member" abstract="true" name="Deposits1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LongTermInvestmentsMember" abstract="true" name="LongTermInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DerivativeAssetsMember" abstract="true" name="DerivativeAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_VentureDebtMember" abstract="true" name="VentureDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DerivativeLiabilitiesMember" abstract="true" name="DerivativeLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_EmbeddedDerivativeMember" abstract="true" name="EmbeddedDerivativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ContingentConsiderationLiabilityMember" abstract="true" name="ContingentConsiderationLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_DisclosureOfFinancialAssetsAndLiabilitiesLineItems" abstract="true" name="DisclosureOfFinancialAssetsAndLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_FinancialInstrumentsAssetsAbstract" abstract="true" name="FinancialInstrumentsAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_FinancialInstrumentsAssetsCarryingAmountAbstract" abstract="true" name="FinancialInstrumentsAssetsCarryingAmountAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_FinancialInstrumentsAssetsFairValueAbstract" abstract="true" name="FinancialInstrumentsAssetsFairValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_CurrentFinancialAssetsAtFairValue" abstract="false" name="CurrentFinancialAssetsAtFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NoncurrentFinancialAssetsAtFairValue" abstract="false" name="NoncurrentFinancialAssetsAtFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_FinancialInstrumentsLiabilitiesAbstract" abstract="true" name="FinancialInstrumentsLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_FinancialInstrumentsLiabilitiesCarryingAmountAbstract" abstract="true" name="FinancialInstrumentsLiabilitiesCarryingAmountAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_FinancialInstrumentsLiabilitiesFairValueAbstract" abstract="true" name="FinancialInstrumentsLiabilitiesFairValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_CurrentFinancialLiabilitiesAtFairValue" abstract="false" name="CurrentFinancialLiabilitiesAtFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NonCurrentFinancialLiabilitiesAtFairValue" abstract="false" name="NonCurrentFinancialLiabilitiesAtFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" abstract="true" name="FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CurrenciesOtherThanUSDollarMember" abstract="true" name="CurrenciesOtherThanUSDollarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_IncreaseInVolatilityRateUsedInSensitivityAnalysisPercent" abstract="false" name="IncreaseInVolatilityRateUsedInSensitivityAnalysisPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_DecreaseInVolatilityRateUsedInSensitivityAnalysisPercent" abstract="false" name="DecreaseInVolatilityRateUsedInSensitivityAnalysisPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_SensitivityAnalysisIncreaseInVolatilityRateImpactOnInDerivativeFairValueIncreaseInVolatilityRate" abstract="false" name="SensitivityAnalysisIncreaseInVolatilityRateImpactOnInDerivativeFairValueIncreaseInVolatilityRate" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_SensitivityAnalysisIncreaseInVolatilityRateImpactOnInDerivativeFairValueIncreaseInVolatilityRatePercent" abstract="false" name="SensitivityAnalysisIncreaseInVolatilityRateImpactOnInDerivativeFairValueIncreaseInVolatilityRatePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_SensitivityAnalysisDecreaseInVolatilityRateImpactOnInDerivativeFairValueIncreaseInVolatilityRate" abstract="false" name="SensitivityAnalysisDecreaseInVolatilityRateImpactOnInDerivativeFairValueIncreaseInVolatilityRate" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_SensitivityAnalysisDecreaseInVolatilityRateImpactOnInDerivativeFairValueIncreaseInVolatilityRatePercent" abstract="false" name="SensitivityAnalysisDecreaseInVolatilityRateImpactOnInDerivativeFairValueIncreaseInVolatilityRatePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_DerivativeFinancialLiabilitiesMaturityTerm" abstract="false" name="DerivativeFinancialLiabilitiesMaturityTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_VolatilityRate" abstract="false" name="VolatilityRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_InterestRateRiskImpact" abstract="false" name="InterestRateRiskImpact" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PercentageOfEntitysCostOfSales" abstract="false" name="PercentageOfEntitysCostOfSales" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_PercentageOfEntitysOperatingExpense" abstract="false" name="PercentageOfEntitysOperatingExpense" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnOperatingExpenses" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnOperatingExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NumberOfBanksForWhichCashAndCashEquivalentsAreHeld" abstract="false" name="NumberOfBanksForWhichCashAndCashEquivalentsAreHeld" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_DigitalAssetsHeld" abstract="false" name="DigitalAssetsHeld" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CustomerAMember" abstract="true" name="CustomerAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CustomerBMember" abstract="true" name="CustomerBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CustomerCMember" abstract="true" name="CustomerCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CustomerDMember" abstract="true" name="CustomerDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CustomerEMember" abstract="true" name="CustomerEMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CustomerFMember" abstract="true" name="CustomerFMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_CustomerGMember" abstract="true" name="CustomerGMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AmericaMember" abstract="true" name="AmericaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ACPContingentPurchasePricePayableMember" abstract="true" name="ACPContingentPurchasePricePayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_OtherFinancialLiabilitiesMember" abstract="true" name="OtherFinancialLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_IncomeTaxLiabilitiesMember" abstract="true" name="IncomeTaxLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleDebtAndAccruedInterestMember" abstract="true" name="ConvertibleDebtAndAccruedInterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_IncreaseDecreaseThroughNonCashInterestLiabilitiesArisingFromFinancingActivities" abstract="false" name="IncreaseDecreaseThroughNonCashInterestLiabilitiesArisingFromFinancingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_IncreaseDecreaseThroughNonCashImpactOfAmendmentLiabilitiesArisingFromFinancingActivities" abstract="false" name="IncreaseDecreaseThroughNonCashImpactOfAmendmentLiabilitiesArisingFromFinancingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ClassActionLawsuitRevenueRecognitionPolicyMember" abstract="true" name="ClassActionLawsuitRevenueRecognitionPolicyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_LynrockLakeMember" abstract="true" name="LynrockLakeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_InsurancePaymentMinimum" abstract="false" name="InsurancePaymentMinimum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsTermOfSecuredPayments" abstract="false" name="ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContractsTermOfSecuredPayments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_GuaranteeSecuredbyCollateralPercent" abstract="false" name="GuaranteeSecuredbyCollateralPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable" abstract="true" name="DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="sqns_DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems" abstract="true" name="DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease" abstract="false" name="MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_MinimumOperatingLeasePayments" abstract="false" name="MinimumOperatingLeasePayments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_PurchaseCommitmentRemainingMinimumAmountCommitted1" abstract="false" name="PurchaseCommitmentRemainingMinimumAmountCommitted1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract" abstract="true" name="DisclosureofotherprovisionscontingentliabilitiesandcontingentassetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sqns_SpecifiedBankAccountsMember" abstract="true" name="SpecifiedBankAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_B.RileyAssetManagementLLCAndLynrockLakeMember" abstract="true" name="B.RileyAssetManagementLLCAndLynrockLakeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AffiliatedEntity1Member" abstract="true" name="AffiliatedEntity1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_Mr.DanielMember" abstract="true" name="Mr.DanielMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AFOBMember" abstract="true" name="AFOBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_ConvertibleDebtOutstandingMember" abstract="true" name="ConvertibleDebtOutstandingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_SignificantInfluenceThresholdPercentage" abstract="false" name="SignificantInfluenceThresholdPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_OwnershipInterestPercentage" abstract="false" name="OwnershipInterestPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="sqns_ProceedsFromIssueOfConvertibleDebt" abstract="false" name="ProceedsFromIssueOfConvertibleDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_KeyManagementPersonnelCompensationBoardOfDirectorFees" abstract="false" name="KeyManagementPersonnelCompensationBoardOfDirectorFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_SpecialTransactionBonusApprovedByBoardOfDirectors" abstract="false" name="SpecialTransactionBonusApprovedByBoardOfDirectors" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_BoardOfDirectorsMember" abstract="true" name="BoardOfDirectorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_TerminationIndemnityAmountofGrossAnnualBaseRemunerationDuration" abstract="false" name="TerminationIndemnityAmountofGrossAnnualBaseRemunerationDuration" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_TerminationIndemnityAmountofBonusPercentage" abstract="false" name="TerminationIndemnityAmountofBonusPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="sqns_NewYorkStockExchangeComplianceMember" abstract="true" name="NewYorkStockExchangeComplianceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_AmendmentToConvertibleDebtAndSaleOfBitcoinMember" abstract="true" name="AmendmentToConvertibleDebtAndSaleOfBitcoinMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_GrantingOfSharesMember" abstract="true" name="GrantingOfSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="sqns_MeasurementPeriodDuration" abstract="false" name="MeasurementPeriodDuration" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="sqns_MinimumMarketCapitalizationRequirement" abstract="false" name="MinimumMarketCapitalizationRequirement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_ProceedsFromSalesOfBitcoins" abstract="false" name="ProceedsFromSalesOfBitcoins" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_CarryingAmountOfConvertibleDebt" abstract="false" name="CarryingAmountOfConvertibleDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sqns_NumberOfBitcoinHeldWithRestriction" abstract="false" name="NumberOfBitcoinHeldWithRestriction" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_NumberOfBitcoinHeldWithoutRestriction" abstract="false" name="NumberOfBitcoinHeldWithoutRestriction" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="sqns_NumberOfOfficers" abstract="false" name="NumberOfOfficers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
</xs:schema>
