Specifications

ISU AT Command Reference Phase II AT Commands
Iridium Proprietary Version 2.45
20 June 2011 44
6.18 +CPIN - Enter PIN
Set Command: +CPIN=<pin>[,<newpin>]
Set command sends to the phone a password which is necessary before it can be operated (SIM Card PIN
Code, SIM PUK, etc.). If no password request is pending, no action is taken by the phone.
 If the password required is SIM PUK, then <newpin> is required, where <newpin> is the new
SIM Card PIN to replace the old SIM Card PIN.
 If the password required is SIM PUK2, then <newpin> is required, where <newpin> is the
new SIM Card PIN2 to replace the old SIM Card PIN2
 Both <pin> and <newpin> should be of string type enclosed by “ “; for example,”1234”.
Read Command: +CPIN?
Read command returns an alphanumeric string indicating whether some password is required or not.
Response is in the form:
+CPIN: <code>
where <code> can be one of the following:
READY ISU is not waiting for any password.
PH PIN ISU is waiting for Phone Unlock Code to be given.
SIM PIN ISU is waiting for SIM Card PIN1 Code to be given.
SIM PUK ISU is waiting for SIM PUK to be given (because SIM PIN1 is blocked).
SIM PIN2 ISU is waiting for SIM PIN2 to be given.*
SIM PUK2 ISU is waiting for SIM PUK2 to be given (because SIM PIN2 is blocked).
*Note: The response “SIM PIN2” is somewhat misleading, because it indicates one of three
possible scenarios:
1) PIN1 has already been successfully entered (thus equivalent to the READY response).
2) No PIN1 is required (thus equivalent to the READY response).
3) The phone is waiting for PIN2 (used to access Fixed Dialing settings and other subscription-
based features).
In any of these three cases, the phone should be available to place and receive calls.
Note: +CPIN is closely related to +CLCK and +CPWD. See these commands for additional information.