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 and internet.
Press Mobile network.
Press the indicator next to
Press OK to turn off the function and wait while your phone searches for networks.
Press the required network.
Press the Return key.
Press the indicator next to
Press the Home key to return to the home screen.
  • 1
    Find "Mobile network"
    • Slide two fingers downwards starting from the top of the screen.
    • Press the settings icon.
    • Press Network and internet.
    • Press Mobile network.
  • 2
    Select network manually
    • Press the indicator next to "Automatically select network".
    • Press OK to turn off the function and wait while your phone searches for networks.
    • Press the required network.
    • Press the Return key.
  • 3
    Select network automatically
    • Press the indicator next to "Automatically select network" to turn on the function.
  • 4
    Return to the home screen
    • Press the Home key to return to the home screen.