I can't make voice calls

Select network

Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Connections.
Press Mobile networks.
Press Network operators.
Press Select manually and your phone will search for networks.
Press the required network.
Press Select automatically.
Press the Home key to return to the home screen.
  • 1
    Find "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.
  • 2
    Select network manually
    • Press Select manually and your phone will search for networks.
    • Press the required network.
  • 3
    Select network automatically
    • Press Select automatically.
  • 4
    Return to the home screen
    • Press the Home key to return to the home screen.