Device Guides
Samsung Galaxy S7
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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 11:
The selected network mode is not available: Turn on automatic network mode selection.
List view
1. Find "Network mode"
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Mobile networks.
Tap 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 automatic network selection, 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.
Step 1 of 6
Slide your finger downwards starting from the top of the screen.
Step 2 of 6
Tap the settings icon.
Step 3 of 6
Tap Mobile networks.
Step 4 of 6
Tap Network mode.
Step 5 of 6
Tap the required network mode.
Step 6 of 6
Tap the Home key to return to the home screen.
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