
Sony Xperia Z1 Compact
Android 4.3
1. Find "Change SIM PIN"
Slide your finger downwards starting from the top of the screen.

Press Settings.

Press Security.

Press Set up SIM card lock.

Press Change SIM PIN.

2. Change PIN
Key in your current PIN and press OK.

Key in a new four-digit PIN and press OK.

Key in the new PIN again and press OK.
If you enter an incorrect PIN three times in a row, your PIN will be blocked. To unblock your PIN, you need to key in the PUK which you can retrieve by contacting customer services. If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently.

3. Return to the home screen
Press the Home key to return to the home screen.
