Getting started
Basic use
Calls and contacts
Messaging
Apps and media
Connectivity
Specifications
Cause 3 of 3: There's an error in the operating system on your Apple Watch
If your Apple Watch doesn't register activity, it may help restarting it.
Solution: Restart your Apple Watch.
Restart your Apple Watch
Press the Digital Crown and the Side button and keep them both pressed until your Apple Watch restarts.
Or choose...