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Samsung Galaxy S6

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Troubleshoot
Using apps
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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 4:

Flight mode is turned on: Turn off flight mode.

List view

1. 1. Turn flight mode on or off

Tap and hold On/Off.
Tap Flight mode to turn the function on or off.
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