Samsung Tab S9+ 5G connectivity

but does it make any sense that Samsung would up and not create a fully unlocked non carrier Tablet?

The U1 are the US unbranded/non-carrier specific SIM unlocked devices.  All U, U1, and W devices have interchangeable firmware but it is best to make sure the device is SIM unlocked first because each SIM locked device can only be SIM unlocked on the original carrier firmware. 

Even though my s23 Ultra was purchased from T-Mobile.  As soon as it was SIM unlocked, I flashed it from the TMB U firmware to the U1 firmware. 

You can always tell the original firmware the device shipped with because one of the codes can't be changed.  Not even with root or flashing. 

If you look at the 4 things in the Service Provider Software Version.  The first one (TMB in my case) of the four can't be changed.  The second (TMB) is the SIM 1 carrier CSC, the third is the firmware model version (XAA is the U1 non carrier specific firmware), and last is for the eSIM (XAU), which is for an international SIM, which is my Canadian eSIM.  

@syaoran any reasoning you can think of that good ol Sammy wouldnt have a unlocked works in the U.S variant? if they have them for the other carriers then its safe to say they would have a regular fully carrier unlocked one as well.

As you may well know it is very difficult getting a straight answer from Samsung or TMO when you ask such questions. You get a lot of double talk. Samsung tells me that they do not produce an unlocked version of this tablet, but if you go on ebay, you can buy an unlocked version. The caveat is that it comes from South Korea. Not sure that I want to purchase a 1200.00 tablet from a country that I'm not sure the tablet will work in the US. So right now its either forget about it, buy ATT tablet and wait 60 days to unlock, wait for TMO tablet to hit the market or say screw TMO. Don't really want to do the latter because I am getting a pretty good deal on my wireless plans, and coverage.

so they didnt bother creating a fully carrier unlocked variant?

Not sure I'm understanding your question. But I assume your asking, why don't I purchase the tablet and use it on TMO? First, the tablet is locked for the particular carrier that you purchase it for. From what I understand there is a waiting period of so many days before that carrier will unlock that tablet and allow you to use it on another carrier. Second, if TMO is supposed to be this great cell phone company they claim to be, why don't they have this tablet, while other carriers do, and why aren't they up front about telling you why they don't have it?

so Samsung doesnt carry it for TMO..but somehow youre thinking it wont work on TMOs network?

Samsung doesn't carry it either. They have released it for everybody but T mobile. makes me wonder why I stay with T Mobile

looks like you’ll be getting it direct from Samsung.

I'm sorry, did I not make myself clear when I said that I was looking for the s9+ 5g? I did not say anything about the s9 fe. I do not want the fe.