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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Universal Mobile Telecommunications System (UMTS); UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 6.8.0 Release 6)
Standard published on 24.10.2007
Selected format:Universal Mobile Telecommunications System (UMTS); UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 7.0.0 Release 7)
Standard published on 25.6.2007
Selected format:Universal Mobile Telecommunications System (UMTS); UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 7.1.0 Release 7)
Standard published on 26.10.2007
Selected format:Universal Mobile Telecommunications System (UMTS); UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 7.2.0 Release 7)
Standard published on 24.1.2008
Selected format:Universal Mobile Telecommunications System (UMTS); UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 7.3.0 Release 7)
Standard published on 23.4.2008
Selected format:Universal Mobile Telecommunications System (UMTS); UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 7.4.0 Release 7)
Standard published on 11.7.2008
Selected format:Universal Mobile Telecommunications System (UMTS); UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 7.5.0 Release 7)
Standard published on 21.10.2008
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 7.6.2 Release 7)
Standard published on 20.7.2009
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 8.0.0 Release 8)
Standard published on 23.4.2009
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification (3GPP TS 31.121 version 8.1.0 Release 8)
Standard published on 7.7.2009
Selected format:Latest update: 2026-07-31 (Number of items: 2 290 450)
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