I can't make voice calls

Select network

Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press SIM Card & Mobile Data.
Press the name of your SIM.
Press Carrier.
Press the indicator next to
Press Off.
Press Off to turn off the function and wait while your phone searches for networks.
Press the required network.
Press the indicator next to
Press the Home key to return to the home screen.
  • 1
    Find "Carrier"
    • Slide two fingers downwards starting from the top of the screen.
    • Press the settings icon.
    • Press SIM Card & Mobile Data.
    • Press the name of your SIM.
    • Press Carrier.
  • 2
    Select network manually
    • Press the indicator next to "Auto Select".
    • Press Off.
    • Press Off to turn off the function and wait while your phone searches for networks.
    • Press the required network.
  • 3
    Select network automatically
    • Press the indicator next to "Auto Select" to turn on the function.
  • 4
    Return to the home screen
    • Press the Home key to return to the home screen.