3 Day Old Manjaro Convergence Edition 4 Sale

[rocket2nfinity]

If PMOS is flashed to the eMMC the outcome is txt working, phone calls can come in, calls can go out, BUT I can't hear a call going out or can anyone hear me when a call is answered nor can I hear them.
So, as of now the only OS that seems to work with T-Mobile is PMOS or at least for my phone. I'm going to put random OS's on an SD card and see it the phone still works or works better. Then I think over the weekend, I'll flash every OS onto the phone and see if PMOS is the only one that works or semi-works with T-Mobile.
So, this might not be a hardware issue at all it all might be a T-Mobile issue + OS's, the only thing that is disturbing now is the hearing making and receiving phone calls.

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What's your thoughts on my post above this one or below it,.

So, your sim does see the network. I was under the impression it didn't. The call audio issue  is known. The only OS I think has that solved is Mobian, and arch for a while. But do keep in mind, the various builds are alpha or beta at most. Things got broken recently to fix other things. Give it a little time for the Dev's to fix the fixes. Mobian for instance is undergoing a big update that will change a lot.

There is a thirteen-in-one OS build in the forums. You can try most of the available builds on one SD with it.

The only OS that sees the ( T-Mobile ) cell network is PMOS, nothing else on a SD Card and the factory installed Manjaro didn't either, nor did Mobian or Arch ( Flashed eMMC ).
I'll search for the 13 OS's and see if I can find it.

That sounds more like an apn issue rather than an OS, sim or hardware issue. Different OSes require different amounts of fiddling to get the network up and recognized. The 13-in-1 had that worked out if i recall correctly. But, things are changing in some builds, so things get broken...

Or it's a hardware update issue as someone above mentioned.

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https://forum.pine64.org/showthread.php?tid=11347

What would you recommend I do ? I'm going to research and learn what an "apn" is and go from there on my own, but any help is greatly appreciated. I'm a novice at this, but not scared to roll up my sleeves and do my best to figure things out on my own, if I can wrap my head head around it.
Seeing that PMOS sort of works, gives me hope that the phone isn't a defect and that it can fixed, the hurdle is what it takes to get it fixed as that challenge might be over my head at this point is my learning process.

I applaud your dedication. It appears to me your phone is perfectly functioning. Read the wiki regarding APNs https://wiki.pine64.org/wiki/PinePhone and try some of the recommended settings.

I also just read, the latest Mobian build fixes the audio problem. Get it from the OS wiki and flash to SD or EMMC. Don't just update from the old build.