How to Fix Xiaomi Face Unlock Not Working After Update

Xiaomi phones that reboot by themselves usually stop after checking recent updates, removing unstable apps, clearing system cache, and testing battery or storage health. A xiaomi random reboot fix often starts with Safe Mode and update cleanup. If the device is stuck in a hyperos reboot loop, recovery mode or a factory reset may be required.

Steps

1. Check for recent changes.

   Review newly installed apps, recent HyperOS updates, battery replacement history, and charging accessories. Random reboots often begin after one of those changes.

2. Boot into Safe Mode.

   Safe Mode disables third-party apps. If the phone keeps restarting Xiaomi only in normal mode, an app conflict, launcher issue, or background tool is the likely cause.

3. Free storage and clear cache.

   Keep several GB of free space. Low storage can trigger system instability during app updates, indexing, or camera processing. Clear cache for System Launcher, Security, and heavy apps.

4. Update or roll back carefully.

   Install stable system updates if a known bug is fixed. If reboots started right after a HyperOS update, wait for a patch or use official recovery options if available for the model.

5. Use recovery mode if rebooting continues.

   Wipe cache if the model supports it, then factory reset as a last resort after backing up important data. Persistent rebooting after reset usually points to hardware trouble.

Common Issues and Fixes

• Rebooting during idle time — likely cause: aggressive battery optimization bug or background app conflict — fix: disable or uninstall cleaner, booster, VPN, or modded apps; test in Safe Mode.
• Rebooting while charging — likely cause: faulty cable, adapter, charging port, or battery temperature issue — fix: use an original-quality charger, inspect the port, and stop charging if overheating appears.
• Rebooting after HyperOS update — likely cause: corrupted update cache or firmware bug — fix: clear cache, update all system apps, and reset only if the issue remains.
• Boot loop at logo — likely cause: broken system files or failed update — fix: enter recovery mode, wipe cache or reset, then reinstall the official firmware if supported.
• Rebooting under load — likely cause: battery wear, overheating, or board fault — fix: check battery health, remove heavy gaming load, and seek hardware service if shutdowns continue.

Why does a Xiaomi phone keep restarting after an update?

A bad update cache or a buggy HyperOS build is a common cause. Cache cleanup, app updates, and a later patch usually help before a full reset becomes necessary.

When is a random reboot probably a hardware problem?

Hardware is more likely when reboots happen during charging, under heat, after drops, or even after a factory reset. Battery wear and power circuit faults are frequent causes.