Shutting down with hanging problem frequently

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Samsung Galaxy M21s

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My Galaxy M21 is shutting down automatically after few minutes and when it shuts down then it automatically turns on after 6-7 hours.

Earlier problem was not at all a big issue but now it was not turning on.

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Gitansh Paliwal @gitanshpaliwal Rep: 1 · Answer 1 · 2026-03-30T07:52:34-07:00

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Yes,My Galaxy M21 shutting down automatically after few minutes and when it shuts down then it automatically turns on after 6-7 hours.

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Aashish Singh @aashishsingh Rep: 1 · Answer 2 · 2026-03-30T19:23:25-07:00

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If your Samsung Galaxy M21 is shutting down automatically and then turning back on after some time, it usually points to one of these common issues:

Restart phone normally

Check battery usage & temperature

Boot into Safe Mode

Update software

If still happening → Replace battery.

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