Apple Watch and iPhone compatibility
Find out which versions of iPhone, iOS, and watchOS work with your Apple Watch.
Apple Watch Model | Compatible iPhone | Compatible iOS | Compatible watchOS |
|---|---|---|---|
Series 10 | iPhone XS or later | iOS 18 or later | watchOS 11 or later |
Ultra 2 | iPhone XS or later | iOS 17 or later | watchOS 10 or later** |
Series 9 | iPhone XS or later | iOS 17 or later | watchOS 10 or later** |
Ultra | iPhone 8 or later | iOS 16 or later* | watchOS 9 or later** |
Series 8 | iPhone 8 or later | iOS 16 or later* | watchOS 9 or later** |
SE (2nd generation) | iPhone 8 or later | iOS 16 or later* | watchOS 9 or later** |
Series 7 | iPhone 6s or later | iOS 15 or later* | watchOS 8 or later** |
Series 6 | iPhone 6s or later | iOS 14 or later* | watchOS 7 or later** |
SE (1st generation) | iPhone 6s or later | iOS 14 or later* | watchOS 7 to watchOS10.6.1 |
Series 5 | iPhone 6s or later | iOS 13 or later* | watchOS 6 to watchOS10.6.1 |
Series 4 (GPS + Cellular) | iPhone 6 or later | iOS 12 or later* | watchOS 5 to watchOS10.6.1 |
Series 4 (GPS) | iPhone 5s or later | iOS 12 or later* | watchOS 5 to watchOS10.6.1 |
Series 3 | iPhone 6s or later | iOS 11 or later* | watchOS 4 to watchOS 8.8.1 |
Series 2 | iPhone 5 or later | iOS 10 or later* | watchOS 3 to watchOS 6.3 |
Series 1 | iPhone 5 or later | iOS 10 or later* | watchOS 3 to watchOS 6.3 |
Apple Watch (1st generation) | iPhone 5 or later | iOS 8.2 or later* | watchOS 1 to watchOS 4.3.2 |
*Updating to iOS 18 requires iPhone XS or later.
**Updating to watchOS 11 requires iPhone XS or later with iOS 18 or later.
Learn more
Learn how to identify your Apple Watch model and identify your iPhone model.
Learn about Apple Watch and iPhone requirements for Family Setup watches.