Use your iPhone to update your Apple Watch software, or update directly on your Apple Watch.
Keeping your Apple Watch up to date
To make sure that your Apple devices have the latest bug fixes and security enhancements, keep your devices up to date. Some iOS updates might also require you to update watchOS.
If your iPhone says 'Update Apple Watch'
When you see an alert on your iPhone that says “Your Apple Watch software is out of date,” you should update to the latest version of watchOS so that your data, including Activity data, continues to sync to your iPhone.
Get ready to update
First, make sure that your Apple Watch is compatible with the latest software: watchOS 8 is compatible with Apple Watch Series 3 and later and Apple Watch SE. Upgrading to watchOS 8 requires iPhone 6s or later running iOS 15 or later.
Next, check these things:
- Update your iPhone to the latest version of iOS.
- Make sure that your Apple Watch is at least 50 percent charged.
- Connect your iPhone to Wi-Fi.
- Keep your iPhone next to your Apple Watch, so that they're in range.
It could take from several minutes to an hour for the update to complete. You might want to update overnight or wait until you have time.
Update your Apple Watch using your iPhone
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When a new update is available, your Apple Watch notifies you. Tap Update Tonight in the notification, then go to your iPhone to confirm that you want to update overnight. At the end of the day, leave your Apple Watch and iPhone charging overnight so the update can complete.
To update manually, use these steps:
- On your iPhone, open the Apple Watch app, then tap the My Watch tab.
- Tap General > Software Update.
- Download the update. If asked for your iPhone passcode or Apple Watch passcode, enter it.
- Wait for the progress wheel to appear on your Apple Watch. It could take from several minutes to an hour for the update to complete.
Update directly on your Apple Watch
If your Apple Watch has watchOS 6 or later, you can install subsequent updates without your iPhone:
- Make sure that your watch is connected to Wi-Fi.
- On your watch, open the Settings app.
- Tap General > Software Update.
- Tap Install if a software update is available, then follow the onscreen instructions.
Leave your Apple Watch on its charger while the update completes, and don't restart your Apple Watch. When the update completes, your Apple Watch restarts on its own.