Turning the screen lock on my mobile phone on or off
Turning vibration on my mobile phone on or off
Turning silent mode on my mobile phone on or off
Using my internet browser
Ending active applications on my mobile phone
If an incorrect PUK is entered ten times in a row, your SIM is blocked permanently.
You'll need a new SIM. Find a SingTel dealer near you using our Store Locator.
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