setting up Apple Watch screen is blank
I'm trying to set up my Apple Watch's cellular plan according to the instructions. I open the Watch app, click "set up cellular", and log into my AT&T account. But that's as far as it goes, it just loads a blank screen with the AT&T deathstar in the upper right corner.
Are there any other options for activating cellular on a watch? Or can the setup page be loaded in a different browser?
This particular watch used to have a cellular plan with AT&T. When we switched to T-Mobile, I didn't continue it there, but now after switching back to AT&T I want to re-enable it.