Device Guides

HTC Desire 816

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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 5:

You've turned on manual network selection and are out of range of the selected network


Turn on automatic network selection.

1. Find "Network operators"
Slide two fingers down the display starting from the top edge of your mobile phone.
Tap Mobile data.
Tap Network operators.
2. Choose option
Choose one of the following options:
Select network manually, go to 2a.
Select network automatically, go to 2b.
3. 2a - Select network manually
Tap Search networks.
Tap the required network.
Your display will tell you if you've access to the network you've chosen.
4. 2b - Select network automatically
Tap Select automatically.
5. Return to the home screen
Tap the home icon to return to the home screen.

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