First-time Set-up with a New Apple Watch
The current Apple Watch range requires an iPhone 6s or later. Apple Watch Series 7 needs iOS 15 or later, Apple Watch SE needs iOS 14 or later and Apple Watch Series 3 needs iOS 13 or later.
1 If your watch is switched off, press andhold the side button to switch it on. It now invites you to make sure your Apple Watch and iPhone are in close proximity. On your iPhone, from the Home screen, open the Apple Watch app and make sure My Watch is selected at the bottom.
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