Quectel M35 Command Manual page 49

Write Command
AT+CPIN=<pin>[, <new pin>]
Reference
GSM 07.07
Parameter
<code> READY
SIM PIN
SIM PUK
PH_SIM PIN
PH_SIM PUK
SIM PIN2
SIM PUK2
<pin> String type; password
<new pin> String type; If the PIN required is SIM PUK or SIMPUK2: new password
Example
AT+CPIN?
+CPIN: SIM PIN
OK
AT+CPIN=1234
+CPIN: READY
OK
AT+CPIN?
M35_AT_Commands_Manual
+CPIN: <code>
OK
Response
TA stores a password which is necessary before it can be
operated (SIM PIN, SIM PUK, PH-SIM PIN, etc.). If the PIN is
to be entered twice, the TA shall automatically repeat the PIN.
If no PIN request is pending, no action is taken and an error
message, +CME ERROR, is returned to TE.
If the PIN required is SIM PUK or SIM PUK2, the second pin
is required. This second pin, <new pin>, is used to replace
the old pin in the SIM
OK
No further entry needed
ME is waiting for SIM PIN
ME is waiting for SIM PUK
ME is waiting for phone to SIM card (antitheft)
ME is waiting for SIM PUK (antitheft)
PIN2, e.g. it is possible to edit the FDN book only if preceding command
was acknowledged with +CME ERROR:17
Possible only if preceding command was acknowledged with error
+CME ERROR: 18
// Query PIN code is locked
// PIN
// PIN has already been entered
Confidential / Released
GSM/GPRS Module
M35 AT Commands Manual
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