I can't make voice calls

Select network

Press Settings.
Press Carrier.
Press the indicator next to
If you turn off the function, press the required network.
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
  • 1
    Find "Carrier"
    • Press Settings.
    • Press Carrier.
  • 2
    Select network
    • Press the indicator next to "Automatic" to turn automatic network selection on or off.
    • If you turn off the function, press the required network.
  • 3
    Return to the home screen
    • Slide your finger upwards starting from the bottom of the screen to return to the home screen.