I can't make voice calls
Select network
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1Find "Carrier"
- Slide two fingers downwards starting from the top of the screen.
- Press the settings icon.
- Press More.
- Press Mobile network.
- Press Carrier and your phone will search for networks.
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2Select network
- If you want to select a network automatically, press the indicator next to "Choose automatically" to turn on the function.
- If you want to select a network manually, press the indicator next to "Choose automatically" to turn off the function.
- Press OK.
- Press the required network.
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3Return to the home screen
- Press the Home key to return to the home screen.