How can I connect my phone with my Apple Watch
Can I connect my phone with my watch
iPhone 13 Pro Max, iOS 15
Question marked as
If your Apple Watch has never been connected to another iPhone, follow the steps in this article:
Set up your Apple Watch - Apple Support
If your Apple Watch has been connected to another iPhone before, unpair it and connect it after that to your current iPhone. This article has all the details:
Unpair and erase your Apple Watch - Apple Support
You may have to disable the Activation Lock before:
About Activation Lock on your Apple Watch - Apple Support
This article has more troubleshooting tips, in case you can not pair it:
If you can't pair an Apple Watch with your iPhone - Apple Support