I can't make voice calls

Select network

Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Network & Internet.
Press Mobile network.
Press Advanced.
If you want to select a network automatically, press the indicator next to
If you want to select a network manually, press the indicator next to
Press the required network.
Press the Home key to return to the home screen.
  • 1
    Find "Advanced"
    • Slide two fingers downwards starting from the top of the screen.
    • Press the settings icon.
    • Press Network & Internet.
    • Press Mobile network.
    • Press Advanced.
  • 2
    Select network automatically
    • If you want to select a network automatically, press the indicator next to "Automatically select network" to turn on the function.
  • 3
    Select network manually
    • If you want to select a 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.
  • 4
    Return to the home screen
    • Press the Home key to return to the home screen.