I have an iPad Air 2 with an Apple Sim card. It is running iOS 10.0.1 with the T-Mobile 24.2 carrier update.
I subscribe to the free 200 MB a month plan since I don't really use data on it. Today I noticed that it was no longer had a cellular connection. The only option was to "Add Data" in the Cellular Data section. The thing is when I tapped "Add data" it said I still had 105 MB left which made sense since I've only used around 92 MB.
I tried toggling airplane mode, but nothing got it out of the state thinking I had no data left until I restarted the iPad. I've never seen that before. Is this a bug in iOS 10.0.1 or something?
Best answer by morac
No it hasn't. I read on a bunch of news sites that T-Mobile had a nationwide outage that morning, so it's possible that was the cause.