iPad Cellular activation on att

[Gooberton]

How do I activate cellular? It just says no service on my air 2

 

[Angler]

Go to store

 

[Vandam500]

I had the same issue when I tried to activate mines yesterday. I just ended up calling AT&T and they got it activated for me. They asked for the IMEI and Sim serial number. Once done, rebooted the iPad and boom, resolved.