Device Guides


How to

Turn use of PIN on or off

Your PIN protects your SIM from unauthorised use if your mobile phone should get stolen. If use of PIN is turned on, it needs to be keyed in when you turn on your mobile phone.


List view

Find "Set up SIM card lock"

Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap General.
Tap Safety and Privacy.
Tap Set up SIM card lock.

Turn use of PIN on or off

Tap the required SIM.
Tap the indicator next to "Lock SIM card" to turn the function on or off.
Key in your PIN and tap OK. The default PIN is 0000.
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.

Return to the home screen

Tap the Home key to return to the home screen.
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