Device Guides

Samsung Galaxy S21+ 5G

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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 1:

Your mobile phone is overloaded for unknown reasons: Restart your mobile phone.

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1. Restart your mobile phone

Tap the Side key.
At the same time, tap and hold the lower part of the Volume key and keep them both tapped until your mobile phone restarts.
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