1. Find "Preferred network type"
Slide your finger down the display starting from the top edge of your mobile phone.
Press the settings icon.
Press Network & Internet.
Press Mobile networks.
Press Preferred network type.
2. Select network mode
Press the required setting.
There may be different network modes available depending on where you are. If you set your mobile phone to automatic network selection, it will always find the network with the highest data speed and best signal.
3. Return to the Home screen
Press the home icon to end the session and return to the Home screen.