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.


Change network mode allowing your mobile phone to connect to both 2G and 3G networks.

Possible cause 3:

Your mobile phone is set to connect to 3G networks only

Solution:

Change network mode allowing your mobile phone to connect to both 2G and 3G networks.

1. Find "Network mode"
Slide your finger down the display starting from the top edge of your mobile phone.
Tap the settings icon.
Tap the Networks tab.
Tap Tethering & networks.
Tap Mobile networks.
Tap Network mode.
2. Select network mode
Tap GSM / WCDMA / LTE auto, GSM / WCDMA auto, WCDMA only or GSM only.
3. Return to the home screen
Tap the home icon to return to the home screen.

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