ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
80617ST10991A Rev. 11 Page 313 of 1039 2021-09-23
SIM
3.4.1. AT+CPIN - Enter the PIN
The command sends to the device a password which is necessary before it can be
operated.
AT+CPIN=<pin>[,<newpin>]
Set command sends to the device a password which is necessary before it
can be operated (SIM PIN, SIM PUK, PH-SIM PIN, etc.).
If the PIN required is SIM PUK or SIM PUK2, the <newpin> is required.
This <newpin>, will replace the old pin in the SIM.
The command may be used to change the SIM PIN by sending it with both
parameters <pin> and <newpin>.
Parameters: