Apple® Watch Series 4 Software Update
watchOS® 6.1.3 is available from Apple. Learn about all the updates to watchOS 6.1.3 on Apple's website, including the impacts to your Apple Watch.
Note: If your Apple Watch is paired with an iPhone 6 or iPhone 6 Plus, you should instead use watchOS 5.3.5, which you can learn about on Apple's website.
You can update over Wi-Fi, using the Watch app on your iPhone.
Before starting your watchOS update, please make sure:
- Your battery is fully charged
- You have a strong Wi-Fi signal
Learn how to use your device
Apple, Apple Watch, watchOS and Apple Pay are registered trademarks of Apple Inc.
Apple Watch Series 4 (GPS) requires an iPhone 5s or later with iOS 12 or later. Apple Watch Series 4 (GPS + Cellular) requires an iPhone 6 or later with iOS 12 or later.