I can't make voice calls
Select network
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1Find "Mobile network"
- Slide two fingers downwards starting from the top of the screen.
- Press the settings icon.
- Press Network & Internet.
- Press Mobile network.
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2Select network manually
- Press the indicator next to "Automatically select network" to turn off the function and wait while your phone searches for networks.
- Press the required network.
- Press the Return key.
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3Select network automatically
- Press the indicator next to "Automatically select network" to turn on the function.
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4Return to the home screen
- Press the Home key to return to the home screen.