LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 63 / 231
OK
5.3. AT+CPIN Enter PIN
The command is used to enter a password or query whether or not the module requires a password which
is necessary before it can be operated. The password may be (U)SIM PIN, (U)SIM PUK, PH-SIM PIN,
etc.
Parameter
Response
TA returns an alphanumeric string indicating whether or not
some password is required.
+CPIN: <code>
OK
Write Command
AT+CPIN=<pin>[,<new_pin>]
Response
TA stores a password, such as (U)SIM PIN, (U)SIM PUK, etc.,
which is necessary before it can be operated. 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 (U)SIM PUK or (U)SIM PUK2, the
second pin is required. This second pin <new_pin> is used to
replace the old pin in the (U)SIM.
OK
<code> READY MT is not pending for any password
SIM PIN MT is waiting for SIM PIN to be given
SIM PUK MT is waiting for SIM PUK to be given
SIM PIN2 MT is waiting for SIM PIN2 to be given
SIM PUK2 MT is waiting for SIM PUK2 to be given
PH-NET PIN MT is waiting for network personalization password to be given
PH-NET PUK MT is waiting for network personalization unblocking password