Apple Watch Series 9

watchOS 11

watchOS 11 watchOS 10

I can't use mobile data on my Apple Watch Series 9 watchOS 11

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.

Step 1 of 1

Restart your Apple Watch

Press the Digital Crown and the Side button and keep them both pressed until your Apple Watch restarts.

Press the Digital Crown and the Side button and keep them both pressed until your Apple Watch restarts.

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