How do I turnoff the service if I no longer want it?
How do I terminate the AT&T cellular data service when I no longer need it?
iPad (4th gen) Wi-Fi + Cellular
How do I terminate the AT&T cellular data service when I no longer need it?
iPad (4th gen) Wi-Fi + Cellular
Take a look here.
How do I turnoff the service if I no longer want it?