Device Guides

Sony Xperia Z1

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How to

Changing my mobile phone PIN

Want to change your PIN? It's easy, but remember you need to turn on use of PIN before you can change your PIN.


List view

1. Find "Change SIM PIN"

Slide your finger down the display starting from the top edge of your mobile phone.
Tap Settings.
Tap Security.
Tap Set up SIM card lock.
Tap Change SIM PIN.

2. Change PIN

Key in your current PIN (default is 0000) and tap OK.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting Customer Service.
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.
Key in a new four-digit PIN and tap OK.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting Customer Service.
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.
Key in the new PIN again and tap OK.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting Customer Service.
Please note:
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently. In this case, you'll need a new SIM from Optus.

3. Return to the home screen

Tap the home icon to return to the home screen.
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