At+Csim Generic (U)Sim Access - Quectel EC25 Command Manual

<newpwd> New password
Example
AT+CPIN?
+CPIN: READY
OK
AT+CPWD="SC","1234","4321"
OK
//Restart module or re-activate the SIM card
AT+CPIN?
+CPIN: SIM PIN
OK
AT+CPIN="4321"
OK
+CPIN: READY

5.5. AT+CSIM Generic (U)SIM Access

The command allows a direct control of the (U)SIM that is installed in the currently selected card slot by a
distant application on the TE. The TE shall then keep the processing of (U)SIM information within the
frame specified by GSM/UMTS.
AT+CSIM Generic (U)SIM Access
Test Command
AT+CSIM=?
Write Command
AT+CSIM=<length>,<command>
Maximum Response Time
Reference
EC25&EC21_AT_Commands_Manual
//Change (U)SIM card password to "4321"
//Query PIN code is locked
//PIN must be entered to define a new password "4321"
Response
OK
Response
+CSIM: <length>,<response>
OK
ERROR
If there is any error related to ME functionality:
+CME ERROR: <err>
300ms
LTE Module Series
EC25&EC21 AT Commands Manual
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