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