TS 31.102 – USIM Application Specification
3GPP TS 31.102 is the 3GPP Technical Specification for USIM Application Specification. Its official 3GPP title is “Characteristics of the Universal Subscriber Identity Module (USIM) application”. It is published in 13 releases (Rel-8 to Rel-20); the latest version is 20.0.0 in Rel-20.
Defines the USIM application's files, commands, security functions, and UICC-terminal protocols for interoperable subscriber identity services.
Releases and versions of TS 31.102
| Release | Latest version | Links |
|---|---|---|
| Rel-20 | 20.0.0 | Read · Download (3GPP) |
| Rel-19 | 19.6.0 | Read · Download (3GPP) |
| Rel-18 | 18.11.0 | Read · Download (3GPP) |
| Rel-17 | 17.18.0 | Read · Download (3GPP) |
| Rel-16 | 16.17.0 | Read · Download (3GPP) |
| Rel-15 | 15.13.0 | Read · Download (3GPP) |
| Rel-14 | 14.8.0 | Read · Download (3GPP) |
| Rel-13 | 13.9.1 | Read · Download (3GPP) |
| Rel-12 | 12.13.0 | Read · Download (3GPP) |
| Rel-11 | 11.12.0 | Read · Download (3GPP) |
| Rel-10 | 10.15.0 | Read · Download (3GPP) |
| Rel-9 | 9.19.0 | Read · Download (3GPP) |
| Rel-8 | 8.22.0 | Read · Download (3GPP) |
Scope of TS 31.102
Category: Core Network (Subscriber Identity and Authentication). Technology generation: Multi-Gen. Network layer: Security.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications referenced by TS 31.102
- TS 24.424 XCAP over Ut for Supplementary Services MO
- TS 24.623 XCAP Protocol for Supplementary Services
- TS 24.501 5GS NAS Protocol Specification
- TS 33.501 5G Security Architecture
- TS 22.261 5G System Service Requirements
- TS 24.526 5GS UE Policies
- TS 24.011 Short Message Service (SMS) Support Procedures
- TS 24.175 Multi-Device and Multi-Identity in IMS Management Object
- TS 24.174 Multi-Device & Multi-Identity in IMS Protocol
- TS 24.587 V2X Services Protocols for 5G System
- TS 24.588 UE Policies for V2X Services in 5GS
- TS 24.554 5G ProSe Protocols and Procedures
Specifications that reference TS 31.102
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 23.060 GPRS Stage 2 Service Description
- TS 25.331 RRC Protocol for UE-UTRAN Radio Interface
- TS 24.501 5GS NAS Protocol Specification
- TS 22.101 Service Principles for PLMNs
- TS 23.002 3GPP System Architecture Overview
- TS 24.301 EPS NAS Mobility and Session Management
- TS 23.040 SMS Technical Realization for GSM/UMTS/EPS/5GS
- TS 23.402 EPC for Non-3GPP Access (PMIP)
- TS 33.102 3G Security Architecture Specification
- TS 33.220 Generic Authentication Architecture (GAA) Security
- TS 33.401 EPS Security Architecture
Other specifications in the 31 series
Frequently asked questions
What is 3GPP TS 31.102?
3GPP TS 31.102 is the 3GPP Technical Specification for USIM Application Specification. Defines the USIM application's files, commands, security functions, and UICC-terminal protocols for interoperable subscriber identity services.
Which 3GPP releases include TS 31.102?
TS 31.102 is published in 13 releases, from Rel-8 to Rel-20. The latest version on 3GPP Explorer is 20.0.0 (Rel-20).
What category does TS 31.102 belong to?
TS 31.102 belongs to the Core Network (Subscriber Identity and Authentication) category of 3GPP specifications. It applies to Multi-Gen networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →