How can I connect Apple Watch Series 3 to my iPhone 16 Pro?
Can I connect my Apple Watch Series 3 to my iPhone 16 Pro?
[Re-Titled by Moderator]
Apple Watch Series 3, watchOS 8
With a 7 year tech gap you may have problems but ensure you set it up as New Watch. The backup will be useless.
Older watch OS will pair with most new iphone iOS but not the other way round. Can't pair a series 10 with iphone 8.