Device Guides

Apple iPhone 14 Plus

iOS 17

iOS 16.0

iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.

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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 2:

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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