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  <xs:element id="evlv_LongTermDebtMaturityAfterYearFour" abstract="false" name="LongTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_WarrantsIssuedAtJanuaryTwoThousandTwentyOneMember" abstract="true" name="WarrantsIssuedAtJanuaryTwoThousandTwentyOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_WarrantsIssuedAtJulyTwoThousandTwentyOneMember" abstract="true" name="WarrantsIssuedAtJulyTwoThousandTwentyOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_ShareBasedAwardsExcludingEmployeeStockPurchasePlanMember" abstract="true" name="ShareBasedAwardsExcludingEmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_CommonStockNumberOfVotesForEachShare" abstract="false" name="CommonStockNumberOfVotesForEachShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="evlv_A2021EquityIncentivePlanMember" abstract="true" name="A2021EquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_A2021EmployeeStockPurchasePlanMember" abstract="true" name="A2021EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_MarketBasedStockUnitsMember" abstract="true" name="MarketBasedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_ShareBasedPaymentArrangementOptionAndRestrictedStockUnitsRSUsMember" abstract="true" name="ShareBasedPaymentArrangementOptionAndRestrictedStockUnitsRSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_EarnOutSharesMember" abstract="true" name="EarnOutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_AnnualIncreaseOfTotalCommonSharesOutstandingAsAPercentageOfCommonSharesOutstandAsOfTheEndOfPriorYear" abstract="false" name="AnnualIncreaseOfTotalCommonSharesOutstandingAsAPercentageOfCommonSharesOutstandAsOfTheEndOfPriorYear" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="evlv_ThresholdPercentageOfFairMarketValueOfShareOfCommonStockOnDateOfGrant" abstract="false" name="ThresholdPercentageOfFairMarketValueOfShareOfCommonStockOnDateOfGrant" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="evlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateGrantDateFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceBasedAchievementTargetPercentage" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceBasedAchievementTargetPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="evlv_PercentOfIncreaseOfOutstandingNumberOfCommonStock" abstract="false" name="PercentOfIncreaseOfOutstandingNumberOfCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="evlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="evlv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="evlv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfContingentEarnOutLiabilityAndCommonStockLiabilityPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseCompensationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="evlv_EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpensePermanentDifferencesPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="evlv_DeferredTaxAssetsTaxCreditCarryforwardsCapitalizedResearchAndDevelopmentCosts" abstract="false" name="DeferredTaxAssetsTaxCreditCarryforwardsCapitalizedResearchAndDevelopmentCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_DeferredTaxAssetLeasingArrangements" abstract="false" name="DeferredTaxAssetLeasingArrangements" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_OperatingLossCarryforwardsWithNoExpiry" abstract="false" name="OperatingLossCarryforwardsWithNoExpiry" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_ValuationAllowanceDeferredTaxAssetDecreaseForReversalChargedToIncomeTaxExpensesBenefitAmount" abstract="false" name="ValuationAllowanceDeferredTaxAssetDecreaseForReversalChargedToIncomeTaxExpensesBenefitAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_ValuationAllowanceDeferredTaxAssetDecreaseForReversalChargedToEquityAmount" abstract="false" name="ValuationAllowanceDeferredTaxAssetDecreaseForReversalChargedToEquityAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_DeferredTaxAssetsValuationAllowanceRollForward" abstract="true" name="DeferredTaxAssetsValuationAllowanceRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="evlv_ValuationAllowanceDeferredTaxAssetIncreaseChargedToProvisionForIncomeTaxesAmount" abstract="false" name="ValuationAllowanceDeferredTaxAssetIncreaseChargedToProvisionForIncomeTaxesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_UnvestedFounderSharesMember" abstract="true" name="UnvestedFounderSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_DistributionAgreementWithMotorolaMemberMember" abstract="true" name="DistributionAgreementWithMotorolaMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_NumberOfResellersAndIntegrationPartners" abstract="false" name="NumberOfResellersAndIntegrationPartners" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="evlv_ClassActionLitigationAndSecuritiesLitigationMember" abstract="true" name="ClassActionLitigationAndSecuritiesLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_PeriodToCancelContract" abstract="false" name="PeriodToCancelContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="evlv_NumberOfCustomersOfferedCancellationOption" abstract="false" name="NumberOfCustomersOfferedCancellationOption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="evlv_NumberOfCustomersWhoElectedToCancelContract" abstract="false" name="NumberOfCustomersWhoElectedToCancelContract" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="evlv_NumberOfEvolvExpressUnitsWhichCanceledContract" abstract="false" name="NumberOfEvolvExpressUnitsWhichCanceledContract" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="evlv_RevenueRemainingPerformanceObligationCancelledPreviousExpectedTimingOfSatisfaction" abstract="false" name="RevenueRemainingPerformanceObligationCancelledPreviousExpectedTimingOfSatisfaction" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="evlv_PaidOutRecoveriesFromInsuranceProvider" abstract="false" name="PaidOutRecoveriesFromInsuranceProvider" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_CapitalizedResearchAndDevelopmentExpense" abstract="false" name="CapitalizedResearchAndDevelopmentExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_OtherOneTimeExpenses" abstract="false" name="OtherOneTimeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_ConsultingAndContractStaffing" abstract="false" name="ConsultingAndContractStaffing" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_SoftwareSubscriptions" abstract="false" name="SoftwareSubscriptions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="evlv_ShareBasedCompensationModificationsMember" abstract="true" name="ShareBasedCompensationModificationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="evlv_RestructuringReserveChargesIncurred" abstract="false" name="RestructuringReserveChargesIncurred" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
