Samsung Galaxy S21 Ultra 5G

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Image 1: Samsung Galaxy S21 Ultra 5G in Black
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My phone doesn't respond

If your phone stops responding while you're using it, there may be several causes of the problem.

If the screen lock is turned on, you can't use the phone's screen and keys.

Solution: Turn screen lock on or off

Press the Side key.

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If your phone freezes, it may help restarting it.

Solution: Restart your phone

Press the Side key.

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