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 1:

The selected network mode is not available: Turn on automatic network mode selection.

List view

1. Find "Preferred network mode"

Tap Settings.
Tap Wireless & networks.
Tap Mobile network.
Tap Preferred network mode.

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

Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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