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:
Your tablet is set to connect to 4G networks only: Change network mode allowing your mobile phone to connect to both 2G, 3G and 4G networks.
List view
1. 1. Find "Network mode"
Tap the time in the bottom right corner of the display.
Tap Settings.
Tap More settings.
Tap Mobile networks.
Tap Network mode.
2. 2. Select network mode
Tap LTE/GSM/WCDMA (Auto mode), GSM only or WCDMA only.
3. 3. Return to the home screen
Tap the home icon to return to the home screen.