(The USIM technical specification is of great help to mobile phone developers. 8 Introduction to 81 Scope 92 Reference 93 Definitions, symbols, Abbreviation and coding convention 114 File content 137 USIM command 1038UICC characteristics 139 Appendix A (information) Change the frame of TLV object of EF140 Appendix B (information) Network parameters through data download or USAT use 143 Identification defined in Appendix C (information) TS31.102 144 Appendix D (information) EF Recommended content in pre personalization 146 Appendix E Related documents and parameter recommendations 149 Appendix F (standardization) List of SFI Values 153F. 1 List of SFI Values of USIMADF Level 153F. 2 List of SFI Values of DFGSM Access Level 153 Appendix G (Information) Activation/Termination of USIM Use Stage154)