. .
.
I reset my watch to factory settings because I didn’t have my old iPhone to unpair it with, but now it will not pair to my new phone.
At the top of the article, it states that the newest software update is compatible with the Series 3 and above.
.
S.
.
When I setup the new iPhone (still in the Apple Store) using the same Apple ID it offered to restore my backup data.
Dec 15, 2021 · Press and hold the Side button.
.
.
Apple Watch Series 3 pair with iPhone.
.
2.
Photo by Amelia Holowaty Krales / The Verge.
Now I'm certainly not saying the following is the only solution to this issue but it appears to have worked for myself and a number of other users when they are trying to.