iOS 7 Beta: T-Mobile Cellular Data not working!

I installed iOS 7 yesterday, and since then, my phone only works on Wi-Fi! As soon as I turn it off, the phone shows "T-Mobile LTE" in the corner like normal, but no data is working! Do I need to fool with the settings?

Menel said:

Does it have Carrier update TMobile 14.1?

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For the Carrier it shows TMobile 14.5

Menel said:

Do a rest on network settings and reboot.

I have TMo, but haven't tried iOS7beta yet. So curious.

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Thanks! It's working now, on both 4G and LTE. I got it from tpb. It's pretty interesting so far.. I think I'll keep it as long as there are no major bugs until the real one comes out.