The Apple Watch is a widely popular smartwatch known for its functionality, sleek design, and seamless integration with Apple’s ecosystem. However, some users may encounter issues such as freezing or unexpected restarts, which can disrupt daily use. This guide will walk you through basic troubleshooting steps to help resolve these issues effectively.

Common Causes of Freezing or Unexpected Restarts

Before diving into fixes, it’s important to understand the possible reasons behind these problems:

  • Software glitches or instability – Incomplete updates or system bugs may cause operational issues.
  • Incompatible apps – Third-party apps that haven’t been updated can cause conflicts.
  • Hardware issues – Internal component damage or physical impact may result in abnormal behavior.
  • Battery degradation – A worn-out battery can lead to spontaneous restarts or device lag.

Basic Troubleshooting Steps

1. Restart Your Apple Watch

A simple restart often resolves temporary glitches:

  • Press and hold the side button until the Power Off slider appears.
  • Slide to turn off the watch.
  • Once it’s off, press and hold the side button again until the Apple logo appears.

2. Force Restart the Device

If the screen is unresponsive or stuck on the Apple logo:

  • Press and hold both the side button and Digital Crown for at least 10 seconds.
  • Release when you see the Apple logo.

3. Update watchOS Software

Updating to the latest version can fix known bugs:

  • Open the Watch app on the paired iPhone.
  • Go to General > Software Update.
  • If an update is available, download and install it.
 

Note: Apple previously released watchOS 8.7.1 to address random restarts on the Apple Watch Series 3.

4. Unpair and Re-pair the Apple Watch

If the problem persists, try resetting the pairing:

  • In the Watch app, go to My Watch > All Watches.
  • Tap the “i” icon next to your device and select Unpair Apple Watch.
  • Follow the prompts and re-pair the device afterward.
 

This process often resolves persistent software issues.

5. Factory Reset the Apple Watch

If none of the above steps work:

  • On the Apple Watch, go to Settings > General > Reset.
  • Select Erase All Content and Settings.
 

Important: Back up your data beforehand, as this will erase everything.

Apple Watch Freezing or Restarting on Its Own

Identify Problematic Apps

Third-party apps can sometimes cause crashes or freezing:

  • Close unnecessary apps: Double-tap the side button and swipe up to close background apps.
  • Delete suspicious apps: If the issue started after installing a new app, uninstall it.
  • Update apps: Use the App Store on your Apple Watch or iPhone to check for updates.

Monitor Battery Health

A failing battery may be the root cause of restart issues:

  • Go to Settings > Battery and check usage trends.
  • If the battery drains abnormally fast or heats up, consider battery replacement.

Contact Apple Support or Visit a Service Center

If all else fails, reach out to Apple Support or visit an Apple Authorized Service Provider. Technicians can run diagnostics and determine whether the issue is software or hardware-related.

If your warranty has expired, you can still schedule a repair with Mister Service. We provide expert repair services using genuine parts, handled by experienced technicians. To book an appointment, please contact us via Line ID: @misterservice

Conclusion

Freezing and automatic restarts on Apple Watch can stem from both software and hardware issues. By following these troubleshooting steps—such as restarting, updating, removing faulty apps, or resetting the device—you can often resolve the problem. If not, contacting Apple Support is the best course for proper diagnostics and repair.