Series 3 GPS
Apple Watch Series 3 (GPS) requires an iPhone 5s or later with iOS 11 or later. Apple Watch Series 3 (GPS + Cellular) requires an iPhone 6 or later with iOS 11 or later. Apple Watch and iPhone service provider must be the same. Mobile connectivity is not available with all service providers. Not all service providers support corporate plans. Check with your employer and service provider. Roaming is not available outside your carrier’s network coverage area. Carrier plan is required for mobile service. Contact your service provider for more details.