Read command

The read command checks if a Personal Identification Number (PIN) is needed or if a personalization lock is blocking the device start-up.

Response syntax:

+CPIN: <code>

The read command parameter and its defined values are the following:

<code>: READY – No PIN required; SIM PIN – PIN code required; SIM PUK – PUK code required; SIM PIN2 – PIN2 code required; SIM PUK2 – PUK2 code required; PH-SIM PIN – USIM depersonalization requiredv1.2.x; PH-NET PIN – Network depersonalization requiredv1.2.x; PH-NETSUB PIN – Network subset depersonalization requiredv1.2.x; PH-SP PIN – Service provider depersonalization requiredv1.2.x; PH-CORP PIN – Corporate depersonalization requiredv1.2.x

The following command example shows how to check if a PIN code is needed with the response that a PIN code is required:

AT+CPIN?
+CPIN: "SIM PIN"
OK

Note: Use %XUSIMLCK when facility lock depersonalization is required.