I can't make voice calls

Select network

Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Mobile data.
Press Network operators.
If you want to select a network automatically, press Choose network automatically.
If you want to select a network manually, press Search for networks and wait while your phone searches for networks.
Press the required network.
Press the Home key to return to the home screen.
  • 1
    Find "Network operators"
    • Slide your finger downwards starting from the top of the screen.
    • Press the settings icon.
    • Press Mobile data.
    • Press Network operators.
  • 2
    Select network
    • If you want to select a network automatically, press Choose network automatically.
    • If you want to select a network manually, press Search for networks and wait while your phone searches for networks.
    • Press the required network.
  • 3
    Return to the home screen
    • Press the Home key to return to the home screen.