This is your resource to discuss support topics with your peers, and learn from each other.
The At&T sim card does not seem to be recognized after the Dev Alpha update. I've re-seated the card several times and the preferences still does not see it.
I've re-started the device and no change.
Anyone else get this and suggest a fix?
This is the first report I've seen. I recommend you contact email@example.com for help with that.