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◊ Legal Disclaimers
Apple Watch SE 3 requires iPhone 11 or later with iOS 26 or later.
- The Vitals app is for wellness purposes only and not for medical use.
- Fast charging is compatible with Apple Watch Series 7 and later, any Apple Watch Ultra model and Apple Watch SE
- Battery life varies by use and configuration. See apple.com/watch/battery for more information.
- The temperature sensing feature is not intended for medical use. Temperature sensing is available only on Apple Watch Series 8 and later, and all Apple Watch Ultra models.
- Sleep apnoea notifications are available on Apple Watch Series 9 and later, Apple Watch Ultra 2 and later, and Apple Watch SE 3. The feature is intended to detect signs of moderate to severe sleep apnoea for people 18 years old or older without a diagnosis of sleep apnoea.
- Irregular rhythm notification requires the latest versions of watchOS and iOS. It is not intended for use by people under 22 years old or those who have been previously diagnosed with atrial fibrillation (AF).
- Testing conducted by Apple in July and August 2025 using pre-production Apple Watch SE 3 (GPS + Cellular) and Apple Watch SE 2 (GPS + Cellular), each paired with an iPhone; all devices tested with pre-release software, Apple Watch Magnetic Fast Charger to USB-C Cable (Model A2515) and Apple 20W USB-C Power Adapter (Model A2305). Charge time varies with adapter, region, settings, initial battery levels, usage and environmental factors; actual results will vary.
- Requires an Apple Intelligence–enabled iPhone nearby and Bluetooth headphones with device and Siri language set to English. Apple Intelligence is available in beta. Some features may not be available in all regions or languages. For feature and language availability and system requirements, see support.apple.com/121115.
- Emergency SOS requires a cellular connection or Wi-Fi calling with an internet connection from your Apple Watch or nearby iPhone. You can use cellular models of Apple Watch to make an emergency call in many locations, provided that mobile service is available. Some mobile networks may not accept an emergency call from your Apple Watch if your Apple Watch isn’t activated, if isn’t compatible with or configured to operate on a particular mobile network, if it isn’t set up for mobile service, or if the mobile network does not support emergency calling over IMS. See support.apple.com/108374 and apple.com/watch/cellular for more information.
- Not all features will be available if the Apple Watch is set up through Apple Watch For Your Kids. Check support.apple.com/en-gb/109036 for details. Wireless service plan required for cellular service. Check apple.com/uk/watch/cellular for participating network providers and eligibility.
- Wireless service plan required for cellular service. Contact your service provider for more details. Connection may vary based on network availability. Check apple.com/uk/watch/cellular for participating network providers and eligibility. See support.apple.com/HT207578 for additional setup instructions.
- Data plan required. 5G is available in selected markets and through selected network providers. Speeds vary based on site conditions and network. For details on 5G support, contact your provider and see apple.com/watch/cellular.