3GPP Atlas

Canonical Atlas record

TS 31.121

UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification

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Responsible WGC6
StatusUnder change control
Initial releaseRel-4
Selected releaseRel-13
Latest indexed version19.0.0
Series31
TypeTS

Release evolution

Compare evidence between releases

Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.

Release ledger

Version · WI · CR evidence by release

Rel-44.14.11 WI34 CRs · 33 approved
Rel-55.4.11 WI17 CRs · 16 approved
Rel-66.8.01 WI23 CRs · 18 approved
Rel-77.6.21 WI15 CRs · 14 approved
Rel-88.4.06 WI23 CRs · 19 approved
Rel-99.6.01 WI35 CRs · 15 approved
Rel-1010.6.02 WI16 CRs · 11 approved
Rel-1111.6.01 WI43 CRs · 16 approved
Rel-1212.4.01 WI18 CRs · 10 approved
Rel-1313.8.02 WI86 CRs · 30 approved
Rel-1414.6.02 WI51 CRs · 22 approved
Rel-1515.10.02 WI244 CRs · 97 approved
Rel-1616.14.03 WI190 CRs · 91 approved
Rel-1717.5.03 WI89 CRs · 33 approved
Rel-1818.7.03 WI78 CRs · 43 approved
Rel-1919.0.01 WI7 CRs · 2 approved
R99no version indexed3 WI37 CRs · 36 approved
Release 19993.15.10 WI0 CRs

Rel-13 snapshot

Work affecting this release

86 indexed Change Requests · 2 connected Work Items.

Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →

Version history

Indexed versions

Showing 60 of 152 indexed versions.

19.0.0Rel-19CT#1132026-10-01
18.7.0Rel-18CT#1132026-10-01
18.6.0Rel-18CT#1122026-06-29
18.5.0Rel-18CT#1102026-01-06
18.4.0Rel-18CT#1092025-09-28
18.3.0Rel-18CT#1082025-06-13
18.2.0Rel-18CT#1072025-03-27
18.1.0Rel-18CT#1062025-01-03
17.5.0Rel-17CT#1062025-01-03
18.0.0Rel-18CT#1052024-10-02
17.4.0Rel-17CT#1052024-10-02
17.3.0Rel-17CT#1042024-06-28
17.2.0Rel-17CT#1032024-04-10
17.1.1Rel-17CT#1022024-01-30
17.1.0Rel-17CT#1022024-01-10
16.14.0Rel-16CT#1022024-01-10
17.0.0Rel-17CT#1012023-09-29
16.13.0Rel-16CT#1012023-09-22
16.12.0Rel-16CT#1002023-06-26
16.11.0Rel-16CT#992023-03-29
16.10.1Rel-16CT#98-e2023-01-19
16.10.0Rel-16CT#98-e2022-12-15
16.9.0Rel-16CT#97-e2022-09-23
16.8.0Rel-16CT#962022-06-24
16.7.0Rel-16CT#95-e2022-04-01
16.6.0Rel-16CT#94-e2021-12-16
16.5.0Rel-16CT#93-e2021-09-24
16.4.0Rel-16CT#92-e2021-06-25
16.3.0Rel-16CT#91-e2021-04-06
16.2.0Rel-16CT#90-e2020-12-11
15.10.0Rel-15CT#90-e2020-12-11
16.1.0Rel-16CT#89-e2020-09-23
15.9.0Rel-15CT#89-e2020-09-23
16.0.0Rel-16SA#88-e2020-07-08
15.8.0Rel-15CT#88-e2020-07-07
15.7.0Rel-15CT#87-e2020-04-01
15.6.1Rel-15CT#862020-01-15
15.6.0Rel-15CT#862020-01-08
15.5.0Rel-15CT#852019-09-26
15.4.0Rel-15CT#842019-06-10
14.6.0Rel-14CT#812019-06-10
15.3.0Rel-15CT#832019-03-24
15.2.0Rel-15CT#822018-12-21
15.1.0Rel-15CT#812018-10-22
15.0.0Rel-15SA#802018-07-02
14.5.0Rel-14CT#802018-06-22
14.4.0Rel-14CT#792018-04-03
14.3.0Rel-14CT#782017-12-30
14.2.0Rel-14CT#772017-09-15
13.8.0Rel-13CT#772017-09-15
14.1.0Rel-14CT#762017-06-16
13.7.0Rel-13CT#762017-06-16
14.0.0Rel-14CT#752017-03-23
13.6.0Rel-13CT#752017-03-17
13.5.0Rel-13CT#742017-01-20
13.4.0Rel-13CT#732016-10-08
13.3.0Rel-13CT#722016-07-01
13.2.0Rel-13CT#712016-03-25
12.4.0Rel-12CT#702016-01-12
13.1.0Rel-13CT#702016-01-08

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 31.121

TEI4

(Small) Technical Enhancements and Improvements for Rel-4

Rel-4parsed
TEI5

(Small) Technical Enhancements and Improvements for Rel-5

Rel-5parsed
TEI6

(Small) Technical Enhancements and Improvements for Rel-6

Rel-6parsed
TEI7

(Small) Technical Enhancements and Improvements for Rel-7

Rel-7parsed
FS_SAE

Study on 3GPP System Architecture Evolution

Rel-8official
LTE

Rel-8 LTE 3G Long Term Evolution - Evolved Packet System RAN part

Rel-8official
SAES

3GPP System Architecture Evolution Specification - Evolved Packet System (non RAN aspects)

Rel-8official
SAES-ISIM_IMS_Test

Test interworking of IP Multimedia Services Identity Module (ISIM) terminals with IP Multimedia Subsystem (IMS)

Rel-8official
SAES-USIM_LTE-Test

Test interworking of LTE Terminals with the USIM

Rel-8official
TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed
TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed
TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed
USIM_R10_Test

Deleted - Testing for Terminal support of Rel-10 USIM, ISIM and USAT features

Rel-10official
TEI11

(Small) Technical Enhancements and Improvements for Rel-11

Rel-11parsed
TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed
Red_UCe

Review of dedicated 3GPP UICC features

Rel-13parsed
TEI13

(Small) Technical Enhancements and Improvements for Rel-13

Rel-13parsed
TEI14

(Small) Technical Enhancements and Improvements for Rel-14

Rel-14parsed
TEI14_Test

(Small) Test Technical Enhancements and Improvements for Rel-14

Rel-14parsed
5GS_Ph1_UEConTest

UE Conformance Test Aspects - CT6 aspects of 5G System

Rel-15parsed
TEI15_Test

(Small) Test Technical Enhancements and Improvements for Rel-15

Rel-15parsed
TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending
Rel-16historical link
TEI16_Test

(Small) Test Technical Enhancements and Improvements for Rel-16

Rel-16parsed
UEConTest_R16

UE Conformance Test Aspects Release 16

Rel-16parsed
NSWO_5G

Non-Seamless WLAN offload in 5GS

Rel-17parsed
TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed
UEConTest_R17

Update of conformance test specifications to Rel-17

Rel-17parsed
IoT_SAT_UEConTest

UE conformance test for NB-IoT/eMTC Non-Terrestrial Networks in EPS

Rel-18parsed
TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed
UEConTest_R18

Update of conformance test specifications to Rel-18

Rel-18parsed
UEConTest_R19-CT

Update of conformance test specifications to Rel-19

Rel-19parsed
Effective Acronym:

USIM application test specification

R99official
TEI

(Small) Technical Enhancements and Improvements for R99

R99parsed
USIM

Characteristics of the USIM application

R99official

Knowledge graph

Related standards

No graph edges indexed yet. The graph API is available at this JSON endpoint.