Device Guides

Apple iPhone X

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iOS 11.1
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How to
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I can't access my mobile phone

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

Possible cause 3:

Your mobile phone is locked to Optus: To use a SIM from another service provider, you'll need to unlock your mobile phone by visiting the Optus Unlock Your Device page.

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