Device Guides

Apple iPhone 6 Plus

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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 make voice calls

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

Possible cause 1:

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

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