Apple Watch Series 1 and Series 2 are compatible with the iPhone 5 or later, running iOS 11 or later. … Both need iOS 12 or later. The Apple Watch Series 5 needs an iPhone 6s or later, running iOS 13 or later.
Does Apple Watch work with iPhone 12?
Apple currently only sells the Apple Watch Series 3, Series 6, and SE, all of which require an iPhone 6s or newer. If you have a new iPhone 11 or iPhone 12, you won’t need to worry about Apple Watch compatibility for a long time. New Apple Watches need new iPhones because only new iPhones can run the right software.
How do I pair Apple watch with iOS 12?
Bring your iPhone near your Apple Watch, wait for the Apple Watch pairing screen to appear on your iPhone, then tap Pair.
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Or follow these steps:
- Open the Apple Watch app on your iPhone.
- Tap My Watch, then tap All Watches at the top of the screen.
- Tap Pair New Watch, then follow the onscreen instructions.