I can't pair my Apple Watch Series 10 watchOS 11 with my phone
Cause 1 of 4: Pairing using QR code reader isn't working
If pairing using QR code reader isn't working, you can't pair your Apple Watch and your phone automatically.
Solution: Select the option to manually pair your Apple Watch on the setup screen and follow the instructions on the screen to complete the pairing between your Apple Watch and your phone.
