Device Guides
I can't make voice calls
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
Possible cause 10:
The selected network mode is not available: Turn on automatic network mode selection.
List view
1. Find "Preferred network type"
Slide two fingers downwards starting from the top the screen.
Tap the settings icon.
Tap Network & Internet.
Tap Mobile network.
Tap Advanced.
Tap Preferred network type.
2. Select network mode
Tap the required network mode.
There may be different network modes available depending on where you are. If you set your mobile phone to the fastest network mode, it will always find the network with the highest data speed and best signal.
3. Return to the home screen
Tap the Home key to return to the home screen.