Select network
You can set your phone to select a network automatically or you can select a network manually. If you select a network manually, your phone will lose network connection when the selected network is out of reach.
Press Settings.
Press Carrier.
Press the indicator to turn automatic network selection on or off.
If you turn off the function, press the required network.
Press the Home key to return to the home screen.
1. 1. Find "Carrier"
2. 2. Select network
3. 3. Return to the home screen