I just got a cellular 10.5 iPad Pro from an Apple Store and it won't connect to the server when I go to set up under cellular data. A pop up says connection failed, every time. I tried resetting the network and settings to no avail. I'm on AT&T but there is no way this new iPad knows that. It doesn't have a sim in the tray so I assume it is looking at the internal Apple sim. Any help would be appreciated. I usually buy from AT&T so I've never had to activate really.