Smartphones

How do I fix a phone that keeps restarting?

Updated 2026-08-14

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Quick answer

Try performing a soft reset or checking for software updates to resolve the issue. If problems persist, consider a factory reset or checking for hardware issues.

A phone that keeps restarting can be caused by software glitches, outdated apps, or hardware failures. Follow these steps to troubleshoot the problem effectively.

Steps

  1. 1

    Soft Reset

    Hold the power button until the device turns off, then turn it back on.

  2. 2

    Check for Updates

    Go to Settings > About Phone > Software Update and install any available updates.

  3. 3

    Factory Reset

    Backup your data and go to Settings > System > Reset Options > Erase All Data.

Perform a Soft Reset

A soft reset can help clear temporary issues. For most smartphones, hold down the power button until the device powers off, then turn it back on.

Check for Software Updates

Ensure your phone's software is up to date. Go to Settings > About Phone > Software Update (exact paths may vary by device).

Consider a Factory Reset

If the issue persists, a factory reset may be necessary. Backup your data first, then navigate to Settings > System > Reset Options > Erase All Data (factory reset).

Watch out for

  • Performing a factory reset will erase all data on the device, so ensure you have backups.

FAQ

What should I do if my phone keeps restarting after a factory reset?

If the problem continues after a factory reset, it may indicate a hardware issue, and you should contact customer support or visit a repair center.

Could a faulty app cause my phone to restart?

Yes, a problematic app can cause instability. Try uninstalling recently installed apps to see if that resolves the issue.

How can I tell if my battery is causing the restarts?

If the phone restarts only when the battery is low or when the charger is unplugged, the battery may be failing and should be tested or replaced.