v3.26.1
Cover
 12 Months Ended
Mar. 31, 2026
shares
Entity Addresses [Line Items]  
Document Type 20-F
Amendment Flag false
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Document Period End Date Mar. 31, 2026
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2026
Current Fiscal Year End Date --03-31
Entity File Number 001-40306
Entity Registrant Name UTime Limited
Entity Central Index Key 0001789299
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 7th Floor
Entity Address, Address Line Two Building 5A
Entity Address, Address Line Three Shenzhen Software Industry Base
Entity Address, City or Town Nanshan District
Entity Address, Country CN
Entity Address, Postal Zip Code 518061
Title of 12(b) Security Class A ordinary shares, par value US$ $5.00 per share
Trading Symbol FXHO
Security Exchange Name NASDAQ
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Document Accounting Standard U.S. GAAP
Entity Shell Company false
Entity Common Stock, Shares Outstanding 1,692,423
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Auditor Firm ID 6783
Auditor Name Assentsure PAC
Auditor Location Singapore
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 7th Floor
Entity Address, Address Line Two Building 5A
Entity Address, Address Line Three Shenzhen Software Industry Base
Entity Address, City or Town Nanshan District
Entity Address, Country CN
Entity Address, Postal Zip Code 518061
City Area Code (86)
Local Phone Number 755 86512266
Contact Personnel Name Hengcong Qiu