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 SIMs.
Press the indicator next to
Press OK and your phone will search 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 "SIMs"
    • Slide two fingers downwards starting from the top of the screen.
    • Press the settings icon.
    • Press Network and Internet.
    • Press SIMs.
  • 2
    Select network manually
    • Press the indicator next to "Automatically select network" to turn off the function.
    • Press OK and your phone will search 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.