Getting started
Basic functions
Calls and contacts
Messaging
Apps and media
Connectivity
Specifications
Cause 4 of 5: There's an error in the operating system on your Apple Watch
If mobile data doesn't work on your Apple Watch, 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 select...
Reset my password