I can't make voice calls

Select network

Press the Navigation key.
Select Settings.
Select Wireless & Networks.
Select Mobile Network.
Select Network operators.
Select Automatically select network.
Select Off to turn off the function and wait while your phone searches for networks.
Select the required network.
Press the Return key.
Select Automatically select network.
Select On to turn on the function.
Press Disconnect to return to the home screen.
  • 1
    Find "Network operators"
    • Press the Navigation key.
    • Select Settings.
    • Select Wireless & Networks.
    • Select Mobile Network.
    • Select Network operators.
  • 2
    Select network manually
    • Select Automatically select network.
    • Select Off to turn off the function and wait while your phone searches for networks.
    • Select the required network.
    • Press the Return key.
  • 3
    Select network automatically
    • Select Automatically select network.
    • Select On to turn on the function.
  • 4
    Return to the home screen
    • Press Disconnect to return to the home screen.