4G/LTE - AT Command |
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AT Command
Most of the AT commands are defined in 3GPP TS 51.011, but more and more UE makers are adding their own AT commands as well. In this page, I will keep adding the commonly used AT commands defined in 3GPP spec.
< USIM Read/Write >
Based on 27.007 8.18 Restricted SIM access +CRSM,
AT+CRSM=<command>[,<fileid>[,<P1>,<P2>,<P3>[,<data>[,<pathid>]]]] <command> (command passed on by the MT to the SIM); 176 READ BINARY 178 READ RECORD 192 GET RESPONSE 214 UPDATE BINARY 220 UPDATE RECORD 242 STATUS 203 RETRIEVE DATA 219 SET DATA
For the Details refer to 27.007 and 51.011
Ex) Resetting FPLMN List, according to 51.011 10.3.16 EF_FPLMN (Forbidden PLMNs), file ID is 6F7B # read FPLMN Command : AT+CRSM=176,28539 Output : +CRSM: 144,0,"130014130062030294030205030223FFFFFF"
51.011 10.3.16 EFFPLMN (Forbidden PLMNs) describes FPLMN Field format as below. # write FPLMN AT+CRSM=214,28539,0,0,3,"00F130"
Reference : [1] 3GPP 27.007 - AT Command set for User Equipment [2] 3GPP 51.011 - Mobile Equipment (SIM-ME) interface
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