Database Develop

[Q] HELP! Samsung Galaxy TAB not detecting SIM

I wonder if anyone had problems with their Samsung Galaxy Tab after Gingerbread update via Kies? I updated mine yesterday and today my TAB auto shut down a few times and can't start up property. It auto reboot a few times before it boots up normally. Problem resolved after factory reset, but my TAB can't detect my sim card anymore. It states 'No Service'. Darn...
I even have problem trying to connect to Kies.
For your info,
PDA: P1000DXJPE
PHONE: Unknown
CSC: P1000OLBJPE
I think maybe the ROM for the phone is not installed correctly? How can I fix that?

You are correct, your tab is missing the modem. To giveyou advice, you need to say your model, carrier, and region.
Do you have odin3 software experience?

My Galaxy TAB model is GT-P1000 (not sim locked), sim card and region from Maxis Malaysia. I had just updated the ROM via Kies from Froyo 2.2 to Gingerbread 2.3.3 when this happens.
I just started rooting my tab few days ago by following some instructions on how to use Odin and no.. I am not experienced in using Odin.
Thanks in advance.

P1000DXJPE_Modem
above file is P1000DXJPE modem flashable via odin.
1. Power off your tab and set to download mode (Power + Volume Down).
2. Connect you tab to your pc and run Odin.
3. Click on the [PHONE] button and browse and select P1000DXJPE_Modem.tar file.
it will look something like this.
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
4. hit start and wait for it to finish.
it will look something like this.

It doesn't seem to work. I followed your instructions and the phone software is still Unknown. By the way, do you think I should reflash my Galaxy TAB again? Any idea where I can download the complete ROMs for P1000DXJPE Gingerbread 2.3.3?

i think you should.. you could download P1000DXJPE on samfirmware.. hope everything goes well.

By the way, do I need the pit file, modem and csc for the flashing?

You will need the pit file. The P1000DXJPE update comes in 1 tar file.

I guess there might be some problem with my TAB. After reflashing, the modem software are shown correctly, but it is still not able to register to the network and one very strange behavior is, the device is not very stable. At times when I remove the sim, the device try to start up a couple of times before able to successfully boot, and at times the phone modem still show Unknown (very random).
The conclusion is, it is still no working no matter if the phone software shows unknown or otherwise.

Have you try insert your sim card to others phone?
I face the same problem once with my Htc HD2. Unable to detect my simcard.
Once I try to use my simcard on other phone, the same problem happen.
Meaning my sim card is broken. I go to the center and change with new simcard.
I do ask the customer service how can my sim card broken?, they said its unknow ;P.
BUT my suspect, is due to me always like to change my phone, with the same sim card..haha..at the end sim card broken!!

solom said:
I guess there might be some problem with my TAB. After reflashing, the modem software are shown correctly, but it is still not able to register to the network and one very strange behavior is, the device is not very stable. At times when I remove the sim, the device try to start up a couple of times before able to successfully boot, and at times the phone modem still show Unknown (very random).
The conclusion is, it is still no working no matter if the phone software shows unknown or otherwise.
Click to expand...
Click to collapse
You tab will boot if your take out your simcard during the tab in ON condition. Its same condition if your sim card started to fail or broken, it will also reboot since its consider there is no sim card. Its normal condition with all smartphone/tablet.

Although I bought a WiFi + 3G TAB, most of the time the TAB is running on WiFi without sim card. But once a while I might use it with my sim.
My sim seems to be working fine on my Sony Ericsson X1 and I've actually swap two different sims to the TAB and both are showing similar results.
As I know before the Gingerbread upgrade on Kies, there will be an additional icon (sim card icon) if the sim is not inserted. As for my case now, the icon is not shown with the phone software = unknown. Sometimes after a few reboot, the icon reappear and the phone software is shown correctly but still unable to register to the network (although the 'EasyAccess' services on the Maxis sim is shown in the TAB programs).
When I tried another sim and if the phone software is detected, at times the coverage bar will be shown for a few seconds (registering) and goes back to the (/) sign again and attempt a few more times before the phone reboots itself for a couple of times.
I doubt it is a problem with the sim, more towards the TAB, either on the software or the sim slot hardware.
I wonder if anyone else had the same problem or if I am the only ONE...

i think you problem is more on the hardware side bro, if you are under warranty i suggest you visit a samsung service center.
* just don't forget to unroot and remove apps that need root before sending your tab for repair...

But you have the error about the network, and that usually means your access point name is incorrect or not there.

Hello!
I hope I am in the right thread.
My friend asked me to help her out with her tablet.
A Samsung Galaxy Tab p1000 Openline running CyanogenMod stable 9.1.0
Location Philippines
I tried to update the tablet but it is still not detecting the simcard
Do I have to download Odin ?
I want mobile data to work again for the tablet.
Thank you advance for any advice

Change CSC to Germany

Hello Forum!
I bought a Galaxy Note8 Duos on eBay.
After one year I noticed that it originally came from Singapore and not from Germany.
So on CSC I have SIN/SIN/XSP instead of DBT.
Updates are not released there as regularly as in Germany.
How can I change the CSC number without rooting the device and Knox still working?
I have already tried to reinstall the device using Odin and the German CSC file.
But it didn't work. It remains on Singapore.
This question has been asked many times before, but all the answers don't work for me.
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
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I have now by the Singapore Rome no disadvantages, but I would have nevertheless whole gladly a German one.
Is there also a good way to get the bull**** apps like Facebook & Co. To uninstall?
I don't need them and deactivating them is not enough for me.
Does it still work with a PC, USB cable and ADB?
- Hoerli

You may first find the newest german firmware adequate for the carrier you are subscribed to, then flash the entire firmware, not only csc, also use the newest ODIN version, that should work

Go to Sammobile and lookup Galaxy Note8 N950F and download the firmware. Once you follow the instructions, you will need to select the CSC that it comes with and NOT HOME CSC as this will keep your original csc. NOTE this will factory reset your device as normal with any csc change.

jetbruceli said:
Go to Sammobile and lookup Galaxy Note8 N950F and download the firmware. Once you follow the instructions, you will need to select the CSC that it comes with and NOT HOME CSC as this will keep your original csc. NOTE this will factory reset your device as normal with any csc change.
Click to expand...
Click to collapse
That's exactly what I did. But it remains with Singapore

I know this thread is a bit old, but does anyone happen to have a working solution in stock now?

Simple if it is a multi rom and has the desired country code on the package. Install a sim card of the country you are/want and factory reset the phone at startup the phone will ask you to change csc to the sims country code that has found if you press yes to change it will reboot and boot on recovery and will apply the region/country csc of the sim card you have. After the boot up your phone will be XXX/XXX/YYY where XXX is the original csc and YYY is the csc of the sim you had installed.
Carefully you will need to reset your phone to achieve that so backup before doing it .
Hope it helped
P.S your desired CSC must be on the original package of the rom installed on the phone, aka a multi rom. Let's say on a N950F international unlocked phone.

Done!
I've finally made it.
My approach:
1. all data backed up
2. the DBT firmware flashed with Odin
3. the device switched off
4. factory reset and wipe of the cache and Dalvic
5. smartphone with SIM inserted newly configured
... it didn't work until here and CSC stayed on Singapore.
6. Dialed the following number over the phone:
*#272*My IMEI number#
7. DBT selected
8. At "Select type of Install" I have chosen "Sales Code Change"
9. smartphoea was restarted and deleted
10. after the new setup I now have DBT/DBT/XSP
Now I'm waiting for the Android 9 update.
Interestingly now the phone number *#272*My IMEI number# does not work anymore.

Note to self: the morale of the story is to start at Step #6 (after manually creating a backup).

Anonymously_Unknown said:
Note to self: the morale of the story is to start at Step #6 (after manually creating a backup).
Click to expand...
Click to collapse
I'm not sure if steps 1-5 are necessary for step 6 to be done.

Insert a German sim card then reset the phone. When it boots up for the "first" time with the sim it will recognize it and it will prompt to change the csc to the sims country code (dbt) if you press yes then it will go to recovery and change to DBT CSC and you will have DBT/DBT/DBT .

Braxos said:
Insert a German sim card then reset the phone. When it boots up for the "first" time with the sim it will recognize it and it will prompt to change the csc to the sims country code (dbt) if you press yes then it will go to recovery and change to DBT CSC and you will have DBT/DBT/DBT .
Click to expand...
Click to collapse
It's not working.
I tried it several times.
I also reinstalled the firmware 3x.
I also read several times on the net that you can't change the last digit without rooting the device.
I can no longer dial the CSC number.
There is always "Unknown MMI code".

Dunno mate what is happening. I had my note send to Poland for burn in on display when it came back it had DBT/DBT/XEU the only solution to change that was with the factory reset and a German sim card. On Munich service center from Samsung they flashed 3 times the german ROM and nothing was happening, after resetting the phone it asked on boot up to change the csc to DBT and that's it.

(OneUI Beta) Has anyone been able to register to the OneUI beta with an XAA CSC?

So, as you may know, some people are having a problem where registering for the OneUI beta with a US phone just kicks them back to the Samsung+ homepage without the registration actually going through.
The CSC in Samsung phones is a code that indicates the region/carrier in which the phone is registered.
As far as I know, all US Unlocked phones come with an XAA CSC, which indicates USA Unbranded, but as soon as you insert a Verizon/T-Mobile/etc SIM card, it gets set to that specific's carrier CSC.
I have come to suspect that the problem has to something to do with the region/CSC in which the device is being used, regardless of the physical model (mine is an US Unlocked SM-N960U1, which should be covered by the beta program, but since I never inserted a US Carrier SIM card, I still ahve the default XAA CSC).
Can somebody please chime in on this? You can check your CSC by going to Settings - About Phone - Software Information - Service Provider SW Ver and checking the third and last line. In my case it says XAA/XAA/XAA
If you are successfully registered in the beta, and your CSC code is the same as mine, then it means I'm wrong. If you are having problems registrating, and your CSC code is XAA or some other US unbranded code, then my theory might be right and we might be able to enter the beta by flashing another CSC.
Thank you very much for reading!

I got a ATT note 9, flashed Unlocked firmware I got CSC XAA/XAA/ATT, I can see the banner I can click on it but it will return me back to original banner without a welcome message :s

Nachorl250 said:
So, as you may know, some people are having a problem where registering for the OneUI beta with a US phone just kicks them back to the Samsung+ homepage without the registration actually going through.
The CSC in Samsung phones is a code that indicates the region/carrier in which the phone is registered.
As far as I know, all US Unlocked phones come with an XAA CSC, which indicates USA Unbranded, but as soon as you insert a Verizon/T-Mobile/etc SIM card, it gets set to that specific's carrier CSC.
I have come to suspect that the problem has to something to do with the region/CSC in which the device is being used, regardless of the physical model (mine is an US Unlocked SM-N960U1, which should be covered by the beta program, but since I never inserted a US Carrier SIM card, I still ahve the default XAA CSC).
Can somebody please chime in on this? You can check your CSC by going to Settings - About Phone - Software Information - Service Provider SW Ver and checking the third and last line. In my case it says XAA/XAA/XAA
If you are successfully registered in the beta, and your CSC code is the same as mine, then it means I'm wrong. If you are having problems registrating, and your CSC code is XAA or some other US unbranded code, then my theory might be right and we might be able to enter the beta by flashing another CSC.
Thank you very much for reading!
Click to expand...
Click to collapse
I have the Verizon version and it worked fine. Initially i was having issues like you were, but i read another post that said to go to settings>apps then select the Samsung + app and clear the data /cache. After i restarted i got in and had the beta software within 10 minutes

OneUI Beta
My Note 9 is a TMO locked device so yesterday I flashed the unlocked SM960U1UEU1ARH2 firmware via patched ODIN, using the CSC_OMC_OYM instead of the Home CSC and leaving the USERDATA blank . Everything went smooth, the TMO power-on screen logo was finally gone and after several in succession OTA updates it ended up with the version N960U1UES1ARJ9 with a solid LTE signal and everything that I usually use working without issues. Deleted Samsung+ and re-installed the Samsung+ Beta APK and after signing up the beta registration option showed right away, registered, rebooted the device and went to the software 'download and install update' option in settings and there it was ; the N960U1UEU1ZRKP update. Lately I've been switching from a Huawei Porsche to this Note 9 but needless to say Huawei is pretty slow as far as updates, now with this update the Note 9 definitely feels like a new device and as it seems the Huawei will be up for sale pretty soon. Yes the update is that cool and so far everything is working without any hiccups.
View attachment 4659136
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Zimoss said:
go to settings>apps then select the Samsung + app and clear the data /cache. After i restarted i got in and had the beta software within 10 minutes
Click to expand...
Click to collapse
I tried that with no luck

sFranKv said:
I got a ATT note 9, flashed Unlocked firmware I got CSC XAA/XAA/ATT, I can see the banner I can click on it but it will return me back to original banner without a welcome message :s
Click to expand...
Click to collapse
So the problem is also a thing for people with the ATT CSC. My theory is losing strength lol

rayporsche said:
My Note 9 is a TMO locked device so yesterday I flashed the unlocked SM960U1UEU1ARH2 firmware via patched ODIN, using the CSC_OMC_OYM instead of the Home CSC and leaving the USERDATA blank . Everything went smooth, the TMO power-on screen logo was finally gone and after several in succession OTA updates it ended up with the version N960U1UES1ARJ9 with a solid LTE signal and everything that I usually use working without issues. Deleted Samsung+ and re-installed the Samsung+ Beta APK and after signing up the beta registration option showed right away, registered, rebooted the device and went to the software 'download and install update' option in settings and there it was ; the N960U1UEU1ZRKP update. Lately I've been switching from a Huawei Porsche to this Note 9 but needless to say Huawei is pretty slow as far as updates, now with this update the Note 9 definitely feels like a new device and as it seems the Huawei will be up for sale pretty soon. Yes the update is that cool and so far everything is working without any hiccups.
View attachment 4659136
View attachment 4659137
Click to expand...
Click to collapse
So we might have luck flashing another CSC. Thank you for your input!

Nachorl250 said:
So, as you may know, some people are having a problem where registering for the OneUI beta with a US phone just kicks them back to the Samsung+ homepage without the registration actually going through.
The CSC in Samsung phones is a code that indicates the region/carrier in which the phone is registered.
As far as I know, all US Unlocked phones come with an XAA CSC, which indicates USA Unbranded, but as soon as you insert a Verizon/T-Mobile/etc SIM card, it gets set to that specific's carrier CSC.
I have come to suspect that the problem has to something to do with the region/CSC in which the device is being used, regardless of the physical model (mine is an US Unlocked SM-N960U1, which should be covered by the beta program, but since I never inserted a US Carrier SIM card, I still ahve the default XAA CSC).
Can somebody please chime in on this? You can check your CSC by going to Settings - About Phone - Software Information - Service Provider SW Ver and checking the third and last line. In my case it says XAA/XAA/XAA
If you are successfully registered in the beta, and your CSC code is the same as mine, then it means I'm wrong. If you are having problems registrating, and your CSC code is XAA or some other US unbranded code, then my theory might be right and we might be able to enter the beta by flashing another CSC.
Thank you very much for reading!
Click to expand...
Click to collapse
Bought mine direct from Samsung...I use Tmobile for service...I successfully registered an received the update via OTA...
my csc codes read TMB/TMB/XAA
When I put in a different SIM, the first two blocks change to the carrier, last one never changes

whelmar said:
Bought mine direct from Samsung...I use Tmobile for service...I successfully registered an received the update via OTA...
my csc codes read TMB/TMB/XAA
When I put in a different SIM, the first two blocks change to the carrier, last one never changes
Click to expand...
Click to collapse
That's odd, my looks like this XAA/XAA/ATT....
funny thing is that I'm not even using a ATT sim on it

That's because the first one is the active CSC, the second one is the CSC your phone thinks would be best for the SIM card you have inserted, and the last one is the one that came with your phone/firmware.

Nachorl250 said:
That's because the first one is the active CSC, the second one is the CSC your phone thinks would be best for the SIM card you have inserted, and the last one is the one that came with your phone/firmware.
Click to expand...
Click to collapse
that makes sense, thanks
Now would be cool if anyone outside the US like me, with an Unlocked US note 9 was able to enter to the beta xD

I have Sprint. Do I have to put in a sim from like TMobile to get the beta?
Sent from my SM-N960U using Tapatalk
Nevermind I'm sure this won't work.
However could we use update zip in stock recovery? Stock phone here.

hayabusa1300cc said:
I have Sprint. Do I have to put in a sim from like TMobile to get the beta?
Sent from my SM-N960U using Tapatalk
Nevermind I'm sure this won't work.
However could we use update zip in stock recovery? Stock phone here.
Click to expand...
Click to collapse
You need to be on the U1 firmware.

Can I flash this, without issue and not being tripped on Knox?
Sent from my SM-N960U using Tapatalk

sFranKv said:
I got a ATT note 9, flashed Unlocked firmware I got CSC XAA/XAA/ATT, I can see the banner I can click on it but it will return me back to original banner without a welcome message :s
Click to expand...
Click to collapse
I have the same issue with mine.. trying from last 3days but the problem is the same.. tried clearing cache by rebooting and all. Nothing helped. My firmware is VZW/VZW/XAA

For the model # does it say 960U1 or 960U, if it doesn't say U1 then it won't work.
I'm on ATT, but I have the factory unlocked model that I bought from Samsung directly and I was able to get the beta after clearing the cache

Someone please help
Blind_Guardian said:
For the model # does it say 960U1 or 960U, if it doesn't say U1 then it won't work.
I'm on ATT, but I have the factory unlocked model that I bought from Samsung directly and I was able to get the beta after clearing the cache
Click to expand...
Click to collapse
Yes,my model is 960U1. But I cannot register for the banner.. the banner is still available.

Nachorl250 said:
So the problem is also a thing for people with the ATT CSC. My theory is losing strength lol
Click to expand...
Click to collapse
And with Verizon too.. I cant either register

divyasharma20 said:
And with Verizon too.. I cant either register
Click to expand...
Click to collapse
Are you running the U1 firmware?

Mr. Orange 645 said:
Are you running the U1 firmware?
Click to expand...
Click to collapse
Yes

ATT Note9 Stuck on N960USQU1CSAA

I'm somehow stuck on N960USQU1CSAA, and each time I check for an update, I'm told that my "software is up to date"...
I have an ATT Sim card, and active ATT Service, but somehow my software updates broke...
How can I get N960USQU1CSC1 or N960USQS1CSD1?
Although, I'd prefer to do update.zip, and not ODIN... Any hope for this?
Thanks in Advance...

Why not ODIN man? It may solve your problem.
Sent from my SM-N960F using Tapatalk

Okay, I could odin... Just desperate to get this thing solved... (although confused how I got hung up on an old version)
Where can I get the ATT version of this firmware?
I see a Verizon CSD1 -- is that identical to the ATT CSD1? Should I get OTAs if I install the Verizon version?

Here ya go.
https://androidfilehost.com/?fid=1395089523397944212
Sent from my SM-N960U ORE0

THANK YOU!

butchieboy said:
Here ya go.
https://androidfilehost.com/?fid=1395089523397944212
Sent from my SM-N960U ORE0
Click to expand...
Click to collapse
Can I straight ODIN this, or do I have to do anything special?

I always factory reset 1st for best results. Many dont like to lose data but me..clean install is best.
Sent from my Still Rooted NOTE 8

I'm downloading this file now (thanks for the link) - am I correct in assuming that this particular file is specific for AT&T-carrier-branded Note9's? I've been pulling my hair out (what little I have left), since I got this phone, it's NEVER received an OTA update - EVER. After much trial from AT&T tech's, their last-ditch solution was factory reset & wait for system to update. So, I'm gonna do something I haven't done since my Note 2, & ODIN this FW.

Shanghai.Knight said:
I'm somehow stuck on N960USQU1CSAA, and each time I check for an update, I'm told that my "software is up to date"...
I have an ATT Sim card, and active ATT Service, but somehow my software updates broke...
How can I get N960USQU1CSC1 or N960USQS1CSD1?
Although, I'd prefer to do update.zip, and not ODIN... Any hope for this?
Thanks in Advance...
Click to expand...
Click to collapse
BereanPK said:
I'm downloading this file now (thanks for the link) - am I correct in assuming that this particular file is specific for AT&T-carrier-branded Note9's? I've been pulling my hair out (what little I have left), since I got this phone, it's NEVER received an OTA update - EVER. After much trial from AT&T tech's, their last-ditch solution was factory reset & wait for system to update. So, I'm gonna do something I haven't done since my Note 2, & ODIN this FW.
Click to expand...
Click to collapse
I have the same exact problem, I downloaded this last night. Does it need to be odin or can I flash through recovery?

Hi All! I believe this was the Verizon version, but I did it anyway.
Had to use ODIN...
GREAT NEWS:
1.I DID NOT LOSE DATA using ODIN (NON ATT VERSIONS DO NOT WIPE DEVICE~!)
2. It booted up with the ATT Logo.
3. I Immediately got a notification of the April update upon reboot, and it downloaded the ATT update, and installed it NO PROBLEM!.

Shanghai.Knight said:
Hi All! I believe this was the Verizon version, but I did it anyway.
Had to use ODIN...
GREAT NEWS:
1.I DID NOT LOSE DATA using ODIN (NON ATT VERSIONS DO NOT WIPE DEVICE~!)
2. It booted up with the ATT Logo.
3. I Immediately got a notification of the April update upon reboot, and it downloaded the ATT update, and installed it NO PROBLEM!.
Click to expand...
Click to collapse
Do I ODIN all the files in that download? Won't it remove my data if I ODIN the "USERDATA" part?
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Hey Guys....Me too sailing in the same boat. Please guide me if we can just install the updates manually and not the complete software. Stuck on CSAA Version on SM-960U . TIA

xxcmb3k3xx said:
Do I ODIN all the files in that download? Won't it remove my data if I ODIN the "USERDATA" part?
Click to expand...
Click to collapse
do bl,ap,cp,home_csc.md5
userdata is just more carrier bloat. but might have things u want. but the one that might cause data loss is csc.md5. but home_csc.md5 should keep it.
but its always good to stars fresh sometimes.... so id actually say fill in all slots and USE csc.md5 to wipe clean.

I have a Galaxy Note 9 that was originally an AT&T Phone in USA. I purchased it unlocked in Canada and I use it on Fido Network. The Baseband version is N960USQU1CSAA. It is running One UI 1.0 and Android 9. Is there any way to root this phone? Do I have to use same baseband version?

Shanghai.Knight said:
Can I straight ODIN this, or do I have to do anything special?
Click to expand...
Click to collapse
Is this the link to ODIN Galaxy Note 9 Stuck in Baseband V: N960USQU1CSAA? I need to root my phone so I can recover lost whatsapp messages I desperately need.

Samsung Galaxy S10 Software update

I can't update my Android OS to 11 it's still on Android 10. When I tried going to Phone Settings > Software updates> Download and install> Your software is up to date. Is there a way to get this Android 11 or 12 update to my device Baseband Version. G973USQS4ETK2

Looks like you have a USA phone, I assume on a USA network? Looks like USCellular?
What carrier and country are you in? I see there are updates for your firmware as recent as this month... that would be Android 11. 12 is not on US phones yet.

Its under T-mobile US I guess I was able to look the information up and I saw the baseband version is under T-mobile. Is there a way to patch Android 11 or even 12 to this cause I also tried rooting this but I'm having a hard time downloading stuffs.
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}

It stopped Updating since this last patch.

First off, if you want to root, I think you will be able to - your BL version is 4 (5th from end number in the build version or the baseband version). It's not free to root this way, but I believe you can. However, if you do that, then I don't think you can update to any newer version of stock ROM, because you cannot update the bootloader (which is part of the other releases). Also not, rooting may wipe your phone too.
As for the other question, show me your full software info page, so I can see the CSC codes and other things. I want to make sure they make sense.
My guess is that because you have a U phone (as opposed to U1 with a multi-CSC setup) that you would not be able to patch/update the phone. This is because the U is typically locked to the carrier updates, and if it's looking for USCellular, that would explain why your TMo carrier can't update it. You could reflash to a U1 ROM using ODIN, and this should allow updating in the future, but it will likely require a wipe (you could try an upgrade flash, but I don't recall if this is possible from U to U1). This will also update the bootloader which means you can't root today, but you would be up to date.
So, decide how you want to go first... because you can't have both (root + updated... unless you do custom roms, which I am not versed in, but you are liklely going to give up some things with custom roms, from the superficial reading I've done there)

I think it would be best to move from U to U1 to still have updates.

Dharhil said:
I think it would be best to move from U to U1 to still have updates. View attachment 5519565
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So my phone looked much like yours does, xaa/xaa/tmb. Couldn't get updates either. I used patched Odin and flashed latest xaa version, and used 'home' csc, resulting in keeping user data.
I wanted to keep everything much as it was because using Mint Siim, I'm able to get voip / vowifi, but it also does 'carrier aggregation', so I get a little LTE+ icon indicating such, signal is very good also. Doing the update kept everything working as it was.
I don't plan on rooting so the bump in BL version didn't care about.
cheers

I agree with @AsItLies - your phone looks like it's already on a multi-CSC ROM (XAA). Not sure why it's not updating, but since you're already there, you should be able to do the Odin update as an upgrade, using the "home" CSC and it should update the ROM at the very least. Ideally, your phone should show TMB/TMB/TMB, because the first one is the current SIM, the second is the carrier, and the third is the original CSC (which you can't change anyway)... for example, mine shows TFN/TFN/SPR (Tracfone aka Total Wireless, in my case). My ROM is a U1, though... maybe that's why both of yours is not changing the XAA properly?
I'd say, give the U1 a shot, with the HOME CSC and upgrade mode in ODIN and see if that works. But before you do that, BACKUP EVERYTHING YOU NEED, just in case.
I would recommend using Frija to download the ROM (much faster than web downloads)... but the rest of the info is available on various threads here on XDA. I would recommend reading through the guide posts here THOROUGHLY before doing anything: https://forum.xda-developers.com/t/g973u-and-g973u1-firmware-links-here.3905852/
If you still have questions, you can ask there or here...
@AsItLies are you on a U or U1 ROM? Just curious...

@schwinn8 it's funny you should ask that, because when I first got my phone it said 973U. Now, after the update I described above, it says 973U1.
I'm guessing that indication isn't used to determine if an update is available, could be wrong, but I *think* an update just depends on if it was originally U or U1, and you're running the original firmware. So anything that is multi csc but was originally a U, I don't think that will OTA update (only manually with patched Odin).
Anyway, there are very few updates left, so not too worried about it, doing it manually is quite easy. Pretty sure A12 will be the last we'll see.
cheers

Agreed, not a big deal regarding updates now... but was just curious... I'm surprised to see you're still showing XAA/XAA... I figured those would change.
I had issues with one of my wife's phones (we bought two S10+ phones at the same time)... hers refused to switch to TFN for some reason. Sadly, she NEEDED it because she used the old-fashioned voicemail and app. I could see the app on my phone (where the CSC change worked fine) so I knew what I needed, but couldn't get it to happen. I ended up returning that phone (Ebay) and getting one that was already setup for TFN... and that one is fine. Funny thing, I think it was an XAA as well, but I don't remember now).
I've also seen a thread here that says CSC won't change anymore for users. But even that post has very mixed info... as my experience confirmed. So weird.
/rant

I don't know what am I doing hahah. I tried flashing in ODIN but it failed and trying to click start again saying SetupConnection... and nothing happens... I think it has to to with this?.

I don't know what "this" you're referring to? Did you read up about how to use ODIN? Did you watch any videos on it via Youtube (if that's your preference)? Did you install drivers?

schwinn8 said:
I don't know what "this" you're referring to? Did you read up about how to use ODIN? Did you watch any videos on it via Youtube (if that's your preference)? Did you install drivers?
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I did two thing but I dont know which is which fixed it I downloaded an Update manually via Frija for SM-G973U (that I don't know it even exist bcxz sammobile doesn't have a record of it) and the 2nd one is I downloaded Odin3 v3.13.3 to flash the downloaded software. (previously i was using Odin3 v3.14.1)

I'm not sure, but it sounds like you figured it out? Congrats... yes Frija will sometimes get you a newer version than is normally seen. Or a version specific to your phone. Not a bad thing.
One thing I will warn you, I have read that many people are having issues with apps and features in Android 12... I'd recommend NOT getting that if you can prevent it. I prefer to let other people deal with the bugs before I have to get into them... but that's just me.