Device Guides

Apple iPhone SE

iOS 14.0

iOS 11.0

iOS 9.3

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 3:

Your SIM is faulty: Contact customer service or find an Optus dealer using our Store Locator.

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