02-06-2016, 06:08 AM
As long as the phone has the correct data APN settings, it doesn't matter which OS it's running, iOS or Android.
Their site shows the standard AT&T MVNO APNs, and no authentication, but it might not have been updated.
Android allows pretty easy manipulation of APN settings, but iOS is much different. Some SIMs like T-Mo's allow it, and some like AT&T's don't.
For iOS 7.0x and prior, it was possible to temporarily use a different SIM, change the settings, and then swap back, but that loophole was closed in 7.1.
My MVNO sets the APN by requesting, and then texting a link to a configuration profile (check Settings/General/Profile and see what it says).
This site also provides APN profiles, but may not be up to date either.
I'd double check. There's nothing specific about iOS 9 which should make a difference.
Their site shows the standard AT&T MVNO APNs, and no authentication, but it might not have been updated.
Android allows pretty easy manipulation of APN settings, but iOS is much different. Some SIMs like T-Mo's allow it, and some like AT&T's don't.
For iOS 7.0x and prior, it was possible to temporarily use a different SIM, change the settings, and then swap back, but that loophole was closed in 7.1.
My MVNO sets the APN by requesting, and then texting a link to a configuration profile (check Settings/General/Profile and see what it says).
This site also provides APN profiles, but may not be up to date either.
I'd double check. There's nothing specific about iOS 9 which should make a difference.