Device Guides

Apple iPhone 6s

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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.


Turn on automatic network selection.

Possible cause 2:

The selected network is out of range

Solution:

Turn on automatic network selection.

Find "Carrier"
Tap Settings.
Tap Carrier.
Select network
Tap the indicator to turn automatic network selection on or off.
If you turn off the function, tap the required network.
Return to the home screen
Tap the Home key to return to the home screen.

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