Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-1421 specifications in series 31
Key features: First 5G NR specifications, NSA and SA architectures
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 31.101
UICC-terminal interface; Physical and logical characteristics
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.102
Characteristics of the Universal Subscriber Identity Module (USIM) application
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.103
Characteristics of the IP Multimedia Services Identity Module (ISIM) application
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.104
Characteristics of the Hosting Party Subscription Identity Module (HPSIM) application
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.111
Universal Subscriber Identity Module (USIM) Application Toolkit (USAT)
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.115
Secured packet structure for (Universal) Subscriber Identity Module (U)SIM Toolkit applications
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.116
Remote APDU Structure for (U)SIM Toolkit applications
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.120
UICC-terminal interface; Physical, electrical and logical test specification
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.121
UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.122
Universal Subscriber Identity Module (USIM) conformance test specification
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.124
Mobile Equipment (ME) conformance test specification; Universal Subscriber Identity Module Application Toolkit (USAT) conformance test specification
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.130
(U)SIM Application Programming Interface (API); (U)SIM API for Java™ Card
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.131
C-language binding to (U)SIM API
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.133
IP Multimedia Services Identity Module (ISIM) Application Programming Interface (API); ISIM API for Java Card™
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.213
Test specification for (U)SIM; Application Programming Interface (API) for Java Card™
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.220
Characteristics of the Contact Manager for 3GPP UICC applications
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.221
Contact Manager Application Programming Interface (API); Contact Manager API for Java Card
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.801
Technical requirements for the secure platform for 3GPP applications
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.890
CT WG6 aspects of 5G System Phase 1
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26
TS 31.900
SIM/USIM internal and external interworking aspects
Subscriber Identity
Rel-15TSUICC & Smart CardsUpdated 2026-07-26