1 Find "Network operators"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Network & connection.
Press Mobile network.
Press Network operators.
2 Select network manually
If you want to select a 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.
3 Select network automatically
If you want to select a 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.