Apple Watch Ultra

watchOS 9

watchOS 11 watchOS 9

I can't pair my Apple Watch Ultra watchOS 9 with my phone

Cause 4 of 4: There's an error in the operating system on your Apple Watch or on your phone

If you can't pair your Apple Watch with your phone, it may help restarting your Apple Watch and your phone.

Step 1 of 2

Restart your Apple Watch

Press and hold the Digital Crown.

Step 2 of 2

Restart your Apple Watch

Simultaneously, press and hold the Side button until your Apple Watch is restarted.

Press and hold the Digital Crown.

Simultaneously, press and hold the Side button until your Apple Watch is restarted.