Device Guides

Samsung Galaxy S21 Ultra 5G

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Android 11.0

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This troubleshooting guide will take you through a number of possible causes
to help you find a solution to your problem.

Restart your mobile phone.

Step 1 of 2

1. Tap the Side key.

Step 2 of 2

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

Did this solution solve the problem? Yes No

Possible cause 1:

There's an error in the operating system on your mobile phone

Solution:

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.

Did this solution solve the problem?

Yes No

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