no voice? - T-Mobile Galaxy Note 4 Q&A, Help & Troubleshooting

hi folks, i am currently using 910t on at&t network. was working fine for last couple months. now all of a sudden i can't make or recieve calls - data is working (4g lte) and also text messaging. phone is rooted and running mm overdrive rom. any ideas? mahalo

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I had my moto droid flashed to cricket by a flashing store and they installed ultimate droid. Recently I did a wipe cache/data and installed the Bugless Beast v.0.6.1, but now I have no 3g? I can make and receive calls, and mms works but there is no 3g. It shows the 3g icon, and every so often the arrows blink, but nothing connects to the mobile internet. I followed the steps here to flash to cricket:
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Twi5ted Problem :D

So I successfully got Twi5ted Lollipop on my Galaxy S5 Active G870A yesterday, everything is working perfectly fine except one thhing: my DATA. My phone is ATT and I have cricket wireless. I normally get 4G LTE, but after getting Twi5ted Lollipop, my phone doesn't even think it's ATT anymore. I can make calls with my cricket number, but I get no data. I tried going into Mobile Networks and changing Network Operators to manual and then changing it to ATT, but that doesn't seem to work. When I go into Data Usage, it has a "UPGRADE DATA SERVICE" button that takes me to a T-MOBILE website. Any ideas what to do?
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Can't receive calls in 4G LTE but fine on GSM

SM-N9208
Android 7.0
Baseband version: N9208ZTU4CQH2
This phone was bought abroad in Taiwan and I'm now using it in US with metropcs. It was working fine for the last year or so and I think it broke in 7.0. I tried reverting back to 6.0.1 but still same issue so I'm guessing something must have changed.
When it is on 4G/LTE. I can receive text, data and it works fine. But it takes like 1-2 minutes to make a call out. I can't receive any calls on 4G/LTE. Receiving calls only works on GSM mode.
I did a factory reset and also kies recovery. I also tried it without restoring any apps so it is completely fresh.
If it's an international version it won't be programmed correctly for wifi calling / volte in the US no matter what you do. I ran into that same issue with my N920i and wificalling/volte/carrieraggregation. Not that I could use wifi/volte because at&t prepaid, but still.
BlockOfDynamite said:
If it's an international version it won't be programmed correctly for wifi calling / volte in the US no matter what you do. I ran into that same issue with my N920i and wificalling/volte/carrieraggregation. Not that I could use wifi/volte because at&t prepaid, but still.
Click to expand...
Click to collapse
It did work for about a year with 4G /LTE.. Either something has changed with the carrier or that an update broke the phone. I assume using a different radio firmware would not work as well? Note 5 is old but note 8 is really expensive and I don't want to shell out so much. Might be time to use google voice and redirect all the calls if I can't get this to work.

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