Device Guides

Apple iPhone 5

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How to
Troubleshoot
Using apps
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I can't turn on my mobile phone

This troubleshooting guide will take you through a number of possible causes
to help you find a solution to your problem.


Enter the correct PIN. If you enter a wrong PIN three times in a row, your SIM is blocked and you need to key in your PUK. You can get your PUK on Optus My Account.

Possible cause 3:

An incorrect PIN is entered

Solution:

Enter the correct PIN. If you enter a wrong PIN three times in a row, your SIM is blocked and you need to key in your PUK. You can get your PUK on Optus My Account.

1. Turn on your mobile phone
Tap On/Off until your mobile phone is turned on.
2. Enter PIN
Slide your finger right on the display.
Tap Unlock.
If required, key in your PIN and tap OK.
If your SIM is rejected:
Contact your mobile phone store or your service provider.
3. Turn off your mobile phone
Tap and hold On/Off.
Drag the power off icon right to turn off your mobile phone.

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