3GPP TR 31.822 – Study on GBA_U Based APIs 3GPPTR31_series31.822 Below table shows all versions of TR 31.822 IDSpecificationSize (KB)Publish DateRelease 131822-010.zip40.12022-08-24 10:20:00 Related SpecTR 31.801 Technical requirements for the secure platform for 3GPP applicationsTR 31.822 Study on GBA_U Based APIsTR 31.826 Study on new UICC application for NSSATR 31.828 UICC access to IMSTR 31.829 Conformance requirements for IP Multimedia Services Identity Module (ISIM) application test specificationTR 31.890 CT WG6 aspects of 5G System Phase 1