Device Guides

Apple iPhone X

iOS 12.0

iOS 11.1

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 9:

Not adequate network coverage: Try making a call later when you're in an area with better network coverage. View our network coverage map.

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