TS 31.121 – UICC Application Test Specification
3GPP TS 31.121 is the 3GPP Technical Specification for UICC Application Test Specification. Its official 3GPP title is “UICC-terminal interface”. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines interoperability tests for UICC and terminal interfaces, excluding administrative management and application-specific details.
Releases and versions of TS 31.121
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.7.0 | Read · Download (3GPP) |
| Rel-17 | 17.5.0 | Read · Download (3GPP) |
| Rel-16 | 16.14.0 | Read · Download (3GPP) |
| Rel-15 | 15.10.0 | Read · Download (3GPP) |
| Rel-14 | 14.6.0 | Read · Download (3GPP) |
| Rel-13 | 13.8.0 | Read · Download (3GPP) |
| Rel-12 | 12.4.0 | Read · Download (3GPP) |
| Rel-11 | 11.6.0 | Read · Download (3GPP) |
| Rel-10 | 10.6.0 | Read · Download (3GPP) |
| Rel-9 | 9.6.0 | Read · Download (3GPP) |
| Rel-8 | 8.4.0 | Read · Download (3GPP) |
Scope of TS 31.121
Category: Testing (UICC and SIM Application Testing). Technology generation: 3G. Network layer: Testing.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 31.121
Other specifications in the 31 series
- TS 31.115 Secured Packet Structure for UICC Applications
- TS 31.116 SIM/USIM Remote Management Specification
- TS 31.117 USAT Tests for Non-Removable UICC
- TS 31.120 UICC-Terminal Interface Test Specification
- TS 31.122 USIM UICC Conformance Test Specification
- TS 31.124 USIM Application Toolkit Conformance Testing
- TS 31.127 UE Application Behavioural Tests for Non-Removable UICC
- TS 31.130 (U)SIM Application Programming Interface
Frequently asked questions
What is 3GPP TS 31.121?
3GPP TS 31.121 is the 3GPP Technical Specification for UICC Application Test Specification. Defines interoperability tests for UICC and terminal interfaces, excluding administrative management and application-specific details.
Which 3GPP releases include TS 31.121?
TS 31.121 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 31.121 belong to?
TS 31.121 belongs to the Testing (UICC and SIM Application Testing) category of 3GPP specifications. It applies to 3G networks.
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