iOS 12 beta will not work with cellular iPad 6th gen (2017) on TMobile?


Yes, I know it is beta and I’ve tried with beta 1 and 2 then had to revert back to iOS 11 since it would say Invalid SIM while using TMobile. This is an unlocked iPad and works great under iOS 11. Has anyone gotten theirs to work with beta 4? I figured I’d ask before I go through the hassle of installing and reverting if someone else knows it does not work right.

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