Develop Bugs

At&t galaxy note 10+

Hi there.
I bought an unlocked American AT&T Note 10+ and brought it to Mexico. I have it with Telcel as my carrier. My question is, how can I update it to Android 10?
I've checked the software update through the settings menu and I'm still on the freaking August security patch and it says I'm up-to-date.
Thanks in advance, my friends.

I think there's an issue with the on the air update function for the Galaxy Note 10+. Mine is doing the same, it's stuck on July 2019 security patch and Android 9, and keeps saying it's up to date when I check for updates. And I think it's causing issues with apps, Disney+ says my device is incompatible, and now Netflix started saying the same and won't update through the store.
I'm stuck with AT&T software because I need wifi calling, but since you're using the phone abroad, you aren't. You can get a non-carrier firmware for your model (the model number is in Settings, About phone) here: https://www.sammobile.com/samsung/galaxy-note-10-plus/firmware/.
Get all the files you need ahead of time, and read the instructions thoroughly and understand them before you start, anything that happens to your device is on you. Backup all your data outside the phone, once you start there's no going back. You'll need a PC and a USB cable that reliably connects the phone to the computer, if you have one of those cables that disconnects with the slightest touch, get another one.

My friend had this issue with his att Galaxy S10 and we installed an update from firmware science and then it started updating normally.
Sent from my SM-N975U using Tapatalk

josemald said:
I think there's an issue with the on the air update function for the Galaxy Note 10+. Mine is doing the same, it's stuck on July 2019 security patch and Android 9, and keeps saying it's up to date when I check for updates. And I think it's causing issues with apps, Disney+ says my device is incompatible, and now Netflix started saying the same and won't update through the store.
I'm stuck with AT&T software because I need wifi calling, but since you're using the phone abroad, you aren't. You can get a non-carrier firmware for your model (the model number is in Settings, About phone) here: https://www.sammobile.com/samsung/galaxy-note-10-plus/firmware/.
Get all the files you need ahead of time, and read the instructions thoroughly and understand them before you start, anything that happens to your device is on you. Backup all your data outside the phone, once you start there's no going back. You'll need a PC and a USB cable that reliably connects the phone to the computer, if you have one of those cables that disconnects with the slightest touch, get another one.
Click to expand...
Click to collapse
I have an ATT Note 10 Plus too - I flashed N975U TMB firmware (it is exactly the same as ATT Essentially) I flashed firmware from Frija (for SM-N975U - with TMB entered in the CSC field) - flashed that - with my ATT Sim Card in the phone - and when the phone booted up - I had the ATT Logo on Boot - and WiFi Calling and Video Calling both work perfectly.
YOu don't need to wait for the update to come thru - you can flash the Firmware in the thread for N975U Firmware using ODIN and you will be fine.

Geekser said:
I have an ATT Note 10 Plus too - I flashed N975U TMB firmware (it is exactly the same as ATT Essentially) I flashed firmware from Frija (for SM-N975U - with TMB entered in the CSC field) - flashed that - with my ATT Sim Card in the phone - and when the phone booted up - I had the ATT Logo on Boot - and WiFi Calling and Video Calling both work perfectly.
YOu don't need to wait for the update to come thru - you can flash the Firmware in the thread for N975U Firmware using ODIN and you will be fine.
Click to expand...
Click to collapse
Thanks. Do you know if the Software Update function works too? I skimmed the thread and saw something about OTA updates not working with some firmwares. I'll start reading the 27 pages in a bit, but thought about asking since your case is the same as mine.
TechSilver13 said:
My friend had this issue with his att Galaxy S10 and we installed an update from firmware science and then it started updating normally.
Sent from my SM-N975U using Tapatalk
Click to expand...
Click to collapse
My version is not listed in the drop down menu, and from the update sizes these don't look to be cumulative. Still, thanks for the suggestion. I'd love to be able to just flash an update without wiping my phone.

Previous posters are correct. At&t is horrible with OTA updates. My Note 8..9..and now 10 has never gotten an OTA I always have to flash the updates myself. And yes the firmware is the same and it will provision to your sim. I'm kinda OCD and prefer the hardline flashing to ota...lol[emoji106]
Sent from my SM-N975U using Tapatalk

butchieboy said:
Previous posters are correct. At&t is horrible with OTA updates. My Note 8..9..and now 10 has never gotten an OTA I always have to flash the updates myself. And yes the firmware is the same and it will provision to your sim. I'm kinda OCD and prefer the hardline flashing to ota...lol[emoji106]
Sent from my SM-N975U using Tapatalk
Click to expand...
Click to collapse
I think it's more than just AT&T being horrible with updates, if it was that then none of the phones would be getting one. It's almost like there's a lot of phones that came with defective software that doesn't pull updates, or Samsung or AT&T have so many software versions and they forgot to publish updates for some of those versions.
I haven't been flashing phones for a few years now, since I had a Galaxy S4, mainly because how time consuming it was to reconfigure the phone from scratch every time and my company requiring official status to get email. So I'm out of the loop, but I've never heard of some carrier phones getting updates and other not for the same model.

Well as of now my Note 9 still sits on November patch as well as many others I know that are on At&t
Sent from my SM-N975U using Tapatalk

Mine is on July patch and it's never received an update since I got it, that's why I think there's something else going on besides normal ATT slowpokeness.

josemald said:
Mine is on July patch and it's never received an update since I got it, that's why I think there's something else going on besides normal ATT slowpokeness.
Click to expand...
Click to collapse
I thought that I read that even if you have a carrier unlocked ATT Branded Model phone, you will not get any OTA updates unless you put an active ATT SIM back into the phone.
I have a Samsung Unlocked Note 10+ and flashed the ATT firmware (ATT UserData file with probably the rest of the files being from T-Mo) from the time I've owned the phone since the launch month. I have never received even one OTA. When I log into my ATT online account, several places indicate unknown phone type. One dropdown menu does show that it's a Note 10+. ATT classifies me as a "Bring Your Own Phone" customer and a rep told me I'll never get an OTA!
Now, I bought my Husband a new Samsung Unlocked (XAA) model S10e last month. I immediately flashed the ATT UserData file and the July Security firmware. I used his old ATT SIM (SIM has been in the ATT system for 4 years). I went to Software update and received all ATT OTAs up to the December Security patch with Android 10. I just checked to update the software for the January Security patch but it says I'm up to date.
I'm not sure if I re-flash the ATT UserData file and firmware starting with Bootloader 2 (can't remember which month the security patch was for) if I would ever get the OTAs or not. Don't feel like risking a factory restore right now since it takes me forever to re-setup my phone (even with SmartSwitch).

burrzoo said:
I thought that I read that even if you have a carrier unlocked ATT Branded Model phone, you will not get any OTA updates unless you put an active ATT SIM back into the phone.
I have a Samsung Unlocked Note 10+ and flashed the ATT firmware (ATT UserData file with probably the rest of the files being from T-Mo) from the time I've owned the phone since the launch month. I have never received even one OTA. When I log into my ATT online account, several places indicate unknown phone type. One dropdown menu does show that it's a Note 10+. ATT classifies me as a "Bring Your Own Phone" customer and a rep told me I'll never get an OTA!
Now, I bought my Husband a new Samsung Unlocked (XAA) model S10e last month. I immediately flashed the ATT UserData file and the July Security firmware. I used his old ATT SIM (SIM has been in the ATT system for 4 years). I went to Software update and received all ATT OTAs up to the December Security patch with Android 10. I just checked to update the software for the January Security patch but it says I'm up to date.
I'm not sure if I re-flash the ATT UserData file and firmware starting with Bootloader 2 (can't remember which month the security patch was for) if I would ever get the OTAs or not. Don't feel like risking a factory restore right now since it takes me forever to re-setup my phone (even with SmartSwitch).
Click to expand...
Click to collapse
It's more than just the sim card, as I use AT&T on an AT&T branded phone. I checked my account and it also shows it as Unknown Phone. It may be because I used my sim card to add an old AT&T dumb phone to my account so I can then request an unlock code. I'll try switching to another smartphone, see if my account picks it up so then I can switch back to the Note 10+. When I first got the Note 10+, I still used my S8 for some time, and every time I switched phone it appeared on the AT&T app or website.
Thanks for the idea. If it works, you saved me from flashing from scratch and spending several hours configuring the phone.
UPDATE:
I got the att site to recognize the phone by putting the sim in another smart phone and then putting it back in the Note 10+. But still the phone doesn't pull OTA updates.

Geekser said:
I have an ATT Note 10 Plus too - I flashed N975U TMB firmware (it is exactly the same as ATT Essentially) I flashed firmware from Frija (for SM-N975U - with TMB entered in the CSC field) - flashed that - with my ATT Sim Card in the phone - and when the phone booted up - I had the ATT Logo on Boot - and WiFi Calling and Video Calling both work perfectly.
YOu don't need to wait for the update to come thru - you can flash the Firmware in the thread for N975U Firmware using ODIN and you will be fine.
Click to expand...
Click to collapse
Hi, I have a sm-n970u the normal note from ATT and the current android version is 9 so I'd like to update it but I don't find the att firmware only the t-mobile, according to this comment I can use that firmware with no apparent problem?

oleonides said:
Hi, I have a sm-n970u the normal note from ATT and the current android version is 9 so I'd like to update it but I don't find the att firmware only the t-mobile, according to this comment I can use that firmware with no apparent problem?
Click to expand...
Click to collapse
I have a N975U running on Pie, and a N975U1 running on Android 10. Pie has some advantages over Android 10. 10's UI is a bit slicker with better dark mode options.
If you stay with Pie, install Karma Firewall and Package Disabler to help secure and optimize it.
11 and 12 are dogs with cpu cycling sucking scoped storage fully active. Think it over very carefully before updating to 11 and especially 12.
Android 10 is as high as I would go; the Note 10 will run very well on either 9 or 10.
Use this mod to stop ads globally and help protect it from some black listed sites:
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How To Guide F926U and F926U1 Firmware Links and Flashing Discussion Here

For those who aren't already aware, F926U is the model number of all of the US carrier versions of the Z Fold3. The F926U1 is the model number of the same device, but sold by Samsung SIM unlocked and with no carrier bloatware. Firmware is 100% interchangeable among these models: any U or U1 firmware version can be flashed to any U or U1 device at any time, assuming that you're not trying to downgrade the bootloader. A "U to U" or "U1 to U1" flash does not require a factory reset, but changing from one firmware to the other will require one. Also, U firmware is identical for the 4 base files (AP, BL, CP, CSC) for each individual build, no matter which carrier it comes from. So if you download 2 different carrier versions of the exact same build, the 4 base files will be identical. Where the firmware differs is in the USERDATA file - that's where the carrier bloatware and customizations reside.
Manual Odin flashing is designed for those who:
- want to manually update to a newer version of U firmware on their U device, either because they don't want to wait for their carrier's OTA or because OTAs aren't working on their device, or a different carrier got a new feature/patch before they did
- want to flash U1 firmware to their U device
- want to convert from U1 firmware to carrier U firmware
- want to convert from one carrier's U firmware (with all apps and bloatware) to a different carrier's U firmware (with all apps and bloatware)
For those who aren't already aware, anyone can now download firmware for almost any Samsung device any time that they want, via the various firmware download tools posted here on XDA like SamFirm or Frija. There are threads and info about them here on XDA so I won't waste time explaining - do a search if you're not already familiar with these tools. But they only provide whatever the latest/newest/current version is - nothing older. I have access to an internal Samsung firmware download tool that usually gets new versions before they hit the public firmware download tools, so that's where my files come from.
This is not a "beginner's guide to Odin flashing" -type post/thread, so I won't list basic, step-by-step flashing instructions. My threads are geared towards those who already know what they're doing. If you're new to manually flashing Samsung firmware (or haven't done it in a long time), I recommend you consult one of those "beginner's" guides- there are tons of them here on XDA.
Happy flashing!
U firmware: https://www.androidfilehost.com/?w=files&flid=327754
U1 firmware: https://www.androidfilehost.com/?w=files&flid=327755
Notes:
- DON'T QUOTE THE OP WHEN YOU REPLY, kthx
- I have lots of threads just like this one for other Samsung flagships, if it interests you. For those who have already made use of my previous threads for a different device and are upgrading, welcome back
- My zips are compressed extra small for space and bandwidth savings. The default Windows extractor can't handle it, so you'll need a 3rd party tool like 7zip, WinRAR, etc
- it's quite time consuming to download the files, zip them up, and upload them to AFH. And, I do threads like this for every single flagship model, so I won't be uploading every single version. The only full builds that I upload are ones where I get access to a new bootloader and/or Android version early, before they hit the firmware download tools.
- My naming method for folders on AFH is: build - bootloader - Android version
So "SAT - 1 - 9.0" means the full build number ends in SAT, it's bootloader version 1, and it's Android 9.0. When bootloader and Android versions increment, the first build to have those changes will have its folder notated appropriately.
- HOME CSC file keeps data intact; using the other CSC will wipe data. Flashing USERDATA will also wipe data.
- Since AT&T doesn't allow their firmware to be publicly available (for any of their devices), I'll try to always upload at least one USERDATA per bootloader increment for AT&T (and Cricket, if they get this model). I'll also upload any full builds if AT&T is the only carrier to get that specific build, because you won't be able to find the files anywhere else.
- For identifying USERDATAS, and to know what region/CSC to use in the firmware download tools if you're downloading yourself:
AIO = Cricket (not available via firmware download tools)
ATT = AT&T (not available via firmware download tools)
BST = Boost Mobile
CCT = Xfinity Mobile (Comcast)
CHA = Spectrum Mobile (Charter)
DSH = Dish Network
TMB = T-Mobile
TMK = Metro PCS
USC = US Cellular
VZW = Verizon (available via firmware download tools, but Manual Entry is required - Auto will not work)
XAA = U1 firmware

Is there a T-Mobile version available yet?

ruthlessnature said:
Is there a T-Mobile version available yet?
Click to expand...
Click to collapse
Yep, firmware has been on Samsung's servers since last week

iBowToAndroid said:
Yep, firmware has been on Samsung's servers since last week
Click to expand...
Click to collapse
I downloaded the file from samefirm, and frija but did not get the carrier bloat or T-Mobile boot screen from either one. I have an unlocked version.

ruthlessnature said:
I downloaded the file from samefirm, and frija but did not get the carrier bloat or T-Mobile boot screen from either one. I have an unlocked version.
Click to expand...
Click to collapse
You need to make sure your CSC shows as TMB, and need to make sure you're flashing USERDATA too

iBowToAndroid said:
You need to make sure your CSC shows as TMB, and need to make sure you're flashing USERDATA too
Click to expand...
Click to collapse
That's strange, neither one I downloaded has TMB in the csc, do you have a link ?

ruthlessnature said:
That's strange, neither one I downloaded has TMB in the csc, do you have a link ?
Click to expand...
Click to collapse
I'm not talking about the firmware. I'm talking about the phone itself, in the Settings

Oh, I see, it doesn't change, shows xaa/xaa/xaa I downloaded the ATT userdata to flash and see if it changes it.

ruthlessnature said:
Oh, I see, it doesn't change, shows xaa/xaa/xaa I downloaded the ATT userdata to flash and see if it changes it.
Click to expand...
Click to collapse
If you want T-Mobile bloatware, you need to insert a T-Mobile SIM so that the CSC changes to TMB. And then you need to flash a U firmware with T-Mobile USERDATA

iBowToAndroid said:
If you want T-Mobile bloatware, you need to insert a T-Mobile SIM so that the CSC changes to TMB. And then you need to flash a U firmware with T-Mobile USERDATA
Click to expand...
Click to collapse
Thanks for the info, I couldn't get it to flash back to the u1 firmware until I downloaded the patched Odin. Then I was able to I put my Sim, the csc showed TMB and then I was able to flash the u firmware with the TMB userdata. Thanks again for your help.

ruthlessnature said:
Thanks for the info, I couldn't get it to flash back to the u1 firmware until I downloaded the patched Odin. Then I was able to I put my Sim, the csc showed TMB and then I was able to flash the u firmware with the TMB userdata. Thanks again for your help.
Click to expand...
Click to collapse
You're welcome!

ruthlessnature said:
Thanks for the info, I couldn't get it to flash back to the u1 firmware until I downloaded the patched Odin. Then I was able to I put my Sim, the csc showed TMB and then I was able to flash the u firmware with the TMB userdata. Thanks again for your help.
Click to expand...
Click to collapse
For anyone looking for that it's here: https://forum.xda-developers.com/t/patched-odin-3-13-1.3762572/

I'm getting a weird Complete(Write) Operation Failed error when flashing any tips?
NVM gotta have USB Debugging on

wschamps42 said:
I'm getting a weird Complete(Write) Operation Failed error when flashing any tips?
NVM gotta have USB Debugging on
Click to expand...
Click to collapse
Uhhhh what? Flashing is done in Download mode, not Normal mode

can we flash a different region firmWARE (UK / EUROPE) to the U1? Given the phones are all Qualcomm SD now

Drnms said:
can we flash a different region firmWARE (UK / EUROPE) to the U1? Given the phones are all Qualcomm SD now
Click to expand...
Click to collapse
Nope

I appologize for being the super noob. A couple questions.
Does using this process disable the cameras as mentioned in https://forum.xda-developers.com/t/unlocking-bootloader-will-disable-the-camera.4321957/page-.
You stated that there are tons of beginners guides. In doing searches I find multiple different guides with different completely different processes. Is there one that you recommend or works best?
My goal is to make my unlocked fold3 more usable on ATT/firstnet. There are multiple features I cannot use and I don't receive same call quality service as my wife's locked att fold3.

sllong said:
I appologize for being the super noob. A couple questions.
Does using this process disable the cameras as mentioned in https://forum.xda-developers.com/t/unlocking-bootloader-will-disable-the-camera.4321957/page-.
You stated that there are tons of beginners guides. In doing searches I find multiple different guides with different completely different processes. Is there one that you recommend or works best?
My goal is to make my unlocked fold3 more usable on ATT/firstnet. There are multiple features I cannot use and I don't receive same call quality service as my wife's locked att fold3.
Click to expand...
Click to collapse
You will not lose the cameras as you are flashing firmware not unlocking the bootloader.

sllong said:
My goal is to make my unlocked fold3 more usable on ATT/firstnet. There are multiple features I cannot use and I don't receive same call quality service as my wife's locked att fold3.
Click to expand...
Click to collapse
Under Settings-->About-->Software Information, what's the last line of your "Service provider SW ver" item?

iBowToAndroid said:
Under Settings-->About-->Software Information, what's the last line of your "Service provider SW ver" item
Click to expand...
Click to collapse
iBowToAndroid said:
/xaa/xaa/xaa
Click to expand...
Click to collapse

Question Changing CSC code on a phone without multi CSC codes

I have a Z Fold 3 which is stuck on EUX CSC code. I did some digging and the phone is not a multi CSC device meaning that you can't really change the CSC code using SAMKEY as the only available code on the phone is EUX.
My issue is that although Google Pay works with my UK bank cards, there's no way to get Samsung Pay to work even if you sideload the app since it always checks for the CSC code the phone is set to.
Ideally I'd like to install BTE or BTU.
I understand that methods like turning off WiFi and switching on data and rebooting the phone with a UK sim won't work as the phone is a single CSC device. I've tried this already. I also read another thread where someone tried to change the CSC code in SAMKEY but weren't successful since their phone was also not a multi CSC one.
What is the solution here?
Do I need to flash a UK firmware using Odin and does anyone know if this will work. And also what does this mean in terms of Over the Air updates. Will they continue to work?
Any ideas? Thanks
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I read on a different Samsung Phone you would have to flash the USERDATA file to change it, but I haven't tried because I don't know if it'll wipe my phone.

THORMUNZ said:
I read on a different Samsung Phone you would have to flash the USERDATA file to change it, but I haven't tried because I don't know if it'll wipe my phone.
Click to expand...
Click to collapse
Is there a link to this or a guide?

hajisavvas said:
Is there a link to this or a guide?
Click to expand...
Click to collapse
From my current understanding go to samfw.com and download the
firmware you require
then you download https://forum.xda-developers.com/t/patched-odin-3-13-1.3762572/
get the 3.14.1 3b version
after you put your phone in download mode by turning the phone off, plugging the USB in, and holding the power button + volume up and volume down if this is confusing just search up "fold 3d download mode"
then you open Odin up and place the files into the appropriate part, so AP with AP, BP with BP, and you'll see two CSC types one is CSC and the other is CSC_Home.
CSC_Home won't wipe your phone, but CSC will factory reset your phone and the last one is USERDATA which I read will fix that issue you're having, but I haven't tried it.
Other than that please Youtube and do your research before you attempt it. It's relatively easy to use, but if you do the wrong thing you can mess up your phone.

hajisavvas said:
I have a Z Fold 3 which is stuck on EUX CSC code. I did some digging and the phone is not a multi CSC device meaning that you can't really change the CSC code using SAMKEY as the only available code on the phone is EUX.
My issue is that although Google Pay works with my UK bank cards, there's no way to get Samsung Pay to work even if you sideload the app since it always checks for the CSC code the phone is set to.
Ideally I'd like to install BTE or BTU.
I understand that methods like turning off WiFi and switching on data and rebooting the phone with a UK sim won't work as the phone is a single CSC device. I've tried this already. I also read another thread where someone tried to change the CSC code in SAMKEY but weren't successful since their phone was also not a multi CSC one.
What is the solution here?
Do I need to flash a UK firmware using Odin and does anyone know if this will work. And also what does this mean in terms of Over the Air updates. Will they continue to work?
Any ideas? Thanks
View attachment 5597947
Click to expand...
Click to collapse
I had the Same issue with mine, regards just having o2u firmware and Samkey couldn't change csc. I then flashed eux (oxm) multi CSC firmware and then tried again to change my CSC to eux and this time it worked. I went front o2u/02u/02u/02u/02u to eux/-/eux/02u which is what I was after and Samsung pay and everything else now works as it should. Non of the required a factory reset either

boomdox said:
I had the Same issue with mine, regards just having o2u firmware and Samkey couldn't change csc. I then flashed eux (oxm) multi CSC firmware and then tried again to change my CSC to eux and this time it worked. I went front o2u/02u/02u/02u/02u to eux/-/eux/02u which is what I was after and Samsung pay and everything else now works as it should. Non of the required a factory reset either
Click to expand...
Click to collapse
Do you continue to receive OTA updates after that?

That's the only thing I'm waiting to see next, I'm waiting on the june update to see if the otas work as I'm currently on the may update. OTA worked okay on my s22 ultra after the same process so not sure why it wouldn't ?

boomdox said:
That's the only thing I'm waiting to see next, I'm waiting on the june update to see if the otas work as I'm currently on the may update. OTA worked okay on my s22 ultra after the same process so not sure why it wouldn't ?
Click to expand...
Click to collapse
Could you please point me to the eux (oxm) firmware I should download?

I used frija to download the correct firmware. Download it off xda, put in your phone model number and eux as the required CSC, and it will download the multi oxm firmware. Just wait for it to finish and then unzip the file.

boomdox said:
I used frija to download the correct firmware. Download it off xda, put in your phone model number and eux as the required CSC, and it will download the multi oxm firmware. Just wait for it to finish and then unzip the file.
Click to expand...
Click to collapse
I assume that flashing it wipes your phone?

No, just flash using home CSC and nothing gets wiped. I did the whole process without wiping.
The only thing I did before using Samkey was to remove my SIM cards and phone security before the process( face unlock, fingerprints, and pin), to make sure there was no hickups

boomdox said:
No, just flash using home CSC and nothing gets wiped. I did the whole process without wiping.
The only thing I did before using Samkey was to remove my SIM cards and phone security before the process( face unlock, fingerprints, and pin), to make sure there was no hickups
Click to expand...
Click to collapse
did you flash with Odin?

Yeah, flash with Odin

boomdox said:
Yeah, flash with Odin
Click to expand...
Click to collapse
Sorry if I'm being a pain, just want to get this right. In Odin, do I still select AP + BL + CP and make sure I select the Home CSC file or do I only need to make sure that I select the Home CSC file without the others?

Hello, select all 4 as above and make sure home CSC is set as the CSC file and it won't get wiped

Did you get it sorted in the end ?

boomdox said:
Did you get it sorted in the end ?
Click to expand...
Click to collapse
No I haven't tried yet but I'll do it soon and report back

It should be fairly straight forward and from start to finish took less than half an hour so not too bad

hello
F926B OXM is a multi CSC ( but you can't change it by flashing a firmware )
phone info is not updated

yakapa40 said:
hello
F926B OXM is a multi CSC ( but you can't change it by flashing a firmware )
phone info is not updated
View attachment 5633983
Click to expand...
Click to collapse
No one said you can change csc by just flashing firmware. If your firmware only has once CSC, when you try and change it with Samkey it won't. Hence you need to flash multi CSC firmware, oxm, so you have all the CSC's on there, so when you try and change it with Samkey, it should work this time

Question [S901W] Flashed incorrect ROM via Odin | stuck in download mode

Got a new S901W S22 (Canada TELUS). I was trying to flash non-carrier generic OEM ROM via Odin v3.14.1_3B Patched. I made a mistake and flashed S901U1 XAA instead of S901W XAC. The XAA version has bootloader version 2, while XAC still has 1. Now I cannot flash the correct ROM because we cannot downgrade the bootloader. So I am stuck in Download mode:
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When I try t flash the correct XAC version it says:
sw rev check fail fused 2 binary 1
Click to expand...
Click to collapse
Few questions:
Is there ANY way I can downgrade the bootloader and flash the XAC ROM now? Or do I need to wait for XAC with v2 bootloader to release, which is going to be a few weeks I assume, given that it was released in US on May 5, 2022 and few other countries on May 8.
In case I want to wait for XAC with v2 bootloader, how do I turn off the device? There's only a reboot option no shut down.
Can the phone be charged in Download mode? I started with 100% battery, but ofcourse now it does not show battery % and I am unable to shut down the phone - worried if I'll drain the battery
Summary:
Phone: S22 S901W TELUS
Flashed ROM (Attempt#1): Samfw.com_SM-S901U1_XAA_S901U1UEU2AVDC_fac
Flashed ROM (Attempt#2): Samfw.com_SM-S901W_XAC_S901WVLU1AVCJ_fac
UPDATE 1: Looks like the phone switched off on it's own after about 30mins of no activity when unplugged. Now waiting for XAC bootloader v2 ROM

Your only solution is to wait until S901W has bit 2 ROM. You cannot downgrade bootloader version.

nguyenlucky said:
Your only solution is to wait until S901W has bit 2 ROM. You cannot downgrade bootloader version.
Click to expand...
Click to collapse
Yeah, I believe that's my only option. what about battery though? does it charge in download mode? or any way I can turn it off?
UPDATE 1: Looks like the phone switched off on it's own after about 30mins of no activity when unplugged. Now waiting for XAC bootloader v2 ROM

bikerabhinav said:
Yeah, I believe that's my only option. what about battery though? does it charge in download mode? or any way I can turn it off?
UPDATE 1: Looks like the phone switched off on it's own after about 30mins of no activity when unplugged. Now waiting for XAC bootloader v2 ROM
Click to expand...
Click to collapse
Beware, as in some rare cases, Samsung does not increase the bit at all.
For example, my S20 Korean version (G981N) is still on bit 1 despite having 2 Android updates.

nguyenlucky said:
Beware, as in some rare cases, Samsung does not increase the bit at all.
Click to expand...
Click to collapse
Damn, that's scary. I checked data for S20 and looks like US version (XAS) got bit 2 on Apr 29, 2021 and Canada (XAC) got it on Apr 30, 2021. That gives me hope but fingers crossed!
Not sure why they left Korea out but maybe because Exynos CPU has different releases?
Don't want to haggle with carrier and ask for replacement just yet. I'll wait for a week or two

I am at this point searching for some obvious plan.
iMessageapp

bikerabhinav said:
Damn, that's scary. I checked data for S20 and looks like US version (XAS) got bit 2 on Apr 29, 2021 and Canada (XAC) got it on Apr 30, 2021. That gives me hope but fingers crossed!
Not sure why they left Korea out but maybe because Exynos CPU has different releases?
Don't want to haggle with carrier and ask for replacement just yet. I'll wait for a week or two
Click to expand...
Click to collapse
S20 and Note 20 series in Korea have S865 though, and both are still on bit 1 with latest firmware
Not sure what Samsung is thinking

bikerabhinav said:
Got a new S901W S22 (Canada TELUS). I was trying to flash non-carrier generic OEM ROM via Odin v3.14.1_3B Patched. I made a mistake and flashed S901U1 XAA instead of S901W XAC. The XAA version has bootloader version 2, while XAC still has 1. Now I cannot flash the correct ROM because we cannot downgrade the bootloader. So I am stuck in Download mode:
View attachment 5615335
When I try t flash the correct XAC version it says:
Few questions:
Is there ANY way I can downgrade the bootloader and flash the XAC ROM now? Or do I need to wait for XAC with v2 bootloader to release, which is going to be a few weeks I assume, given that it was released in US on May 5, 2022 and few other countries on May 8.
In case I want to wait for XAC with v2 bootloader, how do I turn off the device? There's only a reboot option no shut down.
Can the phone be charged in Download mode? I started with 100% battery, but ofcourse now it does not show battery % and I am unable to shut down the phone - worried if I'll drain the battery
Summary:
Phone: S22 S901W TELUS
Flashed ROM (Attempt#1): Samfw.com_SM-S901U1_XAA_S901U1UEU2AVDC_fac
Flashed ROM (Attempt#2): Samfw.com_SM-S901W_XAC_S901WVLU1AVCJ_fac
UPDATE 1: Looks like the phone switched off on it's own after about 30mins of no activity when unplugged. Now waiting for XAC bootloader v2 ROM
Click to expand...
Click to collapse
happened to me earlier, just reflash the right firmware using odin, hold all 3 buttons until it boots to the "installation failed" screen and reflash
edit, mis read the post...... i on the s22 and my flash failed, stuck on download installation failed screen, no key combination would take me out of it, i just unplugged, replugged,, reset odin, and flashed again (s22u), and all was well

bikerabhinav said:
Got a new S901W S22 (Canada TELUS). I was trying to flash non-carrier generic OEM ROM via Odin v3.14.1_3B Patched. I made a mistake and flashed S901U1 XAA instead of S901W XAC. The XAA version has bootloader version 2, while XAC still has 1. Now I cannot flash the correct ROM because we cannot downgrade the bootloader. So I am stuck in Download mode:
View attachment 5615335
When I try t flash the correct XAC version it says:
Few questions:
Is there ANY way I can downgrade the bootloader and flash the XAC ROM now? Or do I need to wait for XAC with v2 bootloader to release, which is going to be a few weeks I assume, given that it was released in US on May 5, 2022 and few other countries on May 8.
In case I want to wait for XAC with v2 bootloader, how do I turn off the device? There's only a reboot option no shut down.
Can the phone be charged in Download mode? I started with 100% battery, but ofcourse now it does not show battery % and I am unable to shut down the phone - worried if I'll drain the battery
Summary:
Phone: S22 S901W TELUS
Flashed ROM (Attempt#1): Samfw.com_SM-S901U1_XAA_S901U1UEU2AVDC_fac
Flashed ROM (Attempt#2): Samfw.com_SM-S901W_XAC_S901WVLU1AVCJ_fac
UPDATE 1: Looks like the phone switched off on it's own after about 30mins of no activity when unplugged. Now waiting for XAC bootloader v2 ROM
Click to expand...
Click to collapse
How did you manage to unlock the bootloader ?? My s22 is from virgin in canada and i can't unlock it.

MegaJuif said:
How did you manage to unlock the bootloader ?? My s22 is from virgin in canada and i can't unlock it.
Click to expand...
Click to collapse
I didn't unlock bootloader. You can flash official firmwares without unlocking bootloader, and yes, you cannot unlock/root any SnapDragon Samsung devices, most of which are sold in US/Canada. Exynos models can be unlocked/root

bikerabhinav said:
I didn't unlock bootloader. You can flash official firmwares without unlocking bootloader, and yes, you cannot unlock/root any SnapDragon Samsung devices, most of which are sold in US/Canada. Exynos models can be unlocked/root
Click to expand...
Click to collapse
i'm very upset i can't root my phone.. why only us can't unlock bootloader lol

MegaJuif said:
i'm very upset i can't root my phone.. why only us can't unlock bootloader lol
Click to expand...
Click to collapse
[OFF TOPIC] I learnt that the hard way with my last phone (S10 US version) but I don't see much value in rooting anymore. Things were different 4-5 years ago, but now I am okay with a stock phone, just need a debloated non-carrier specific ROM.

New firmware just released for XAC with v2 bootloader. Downloading via samloader. Hopefully this fixes the phone!
S901WVLU2AVDC / S901WOYV2AVDC / S901WVLU2AVDC
Click to expand...
Click to collapse
Alright, we're back in business! Phone is working now.
However, I still see carrier crap installed and all my files intact (Im okay with full wipe). Is it because I used HOME_CSC instead of CSC? Should I just flash again using CSC this time?

bikerabhinav said:
New firmware just released for XAC with v2 bootloader. Downloading via samloader. Hopefully this fixes the phone!
Alright, we're back in business! Phone is working now.
However, I still see carrier crap installed and all my files intact (Im okay with full wipe). Is it because I used HOME_CSC instead of CSC? Should I just flash again using CSC this time?
View attachment 5616211
Click to expand...
Click to collapse
u would need to flash a non carrier (unlocked) csc but you would lose your settings, back up via smart switch to ext usb, google back up, and samsung back first

gav83collins said:
u would need to flash a non carrier (unlocked) csc but you would lose your settings, back up via smart switch to ext usb, google back up, and samsung back first
Click to expand...
Click to collapse
It's a new phone, there's nothing to backup. I'll flash XAC CSC tomorrow and see if that helps. Thank you

bikerabhinav said:
It's a new phone, there's nothing to backup. I'll flash XA
Click to expand...
Click to collapse
if 5g is important to you, check to see if that csc supports the bands for your chosen carrier

gav83collins said:
if 5g is important to you, check to see if that csc supports the bands for your chosen carrier
Click to expand...
Click to collapse
How can I check that? This is the version that I'll be flashing S901WVLU2AVDC

bikerabhinav said:
How can I check that? This is the version that I'll be flashing S901WVLU2AVDC
Click to expand...
Click to collapse
https://www.kimovil.com/en/frequency-checker/US/samsung-galaxy-s22-ultra check here changing to your country and desired carrier,

Hi, flashed the correct firmware via odin and my phone S22 G901U won't boot to either normal, recovery or download mode. Tried force restarting endless and no change. Any suggestions?

bikerabhinav said:
New firmware just released for XAC with v2 bootloader. Downloading via samloader. Hopefully this fixes the phone!
Alright, we're back in business! Phone is working now.
However, I still see carrier crap installed and all my files intact (Im okay with full wipe). Is it because I used HOME_CSC instead of CSC? Should I just flash again using CSC this time?
View attachment 5616211
Click to expand...
Click to collapse
go to samfw and from there download the latest android 13 rom S901WVLU2BVKI im using that and remember to flash csc not csc_home im using this rom on my s901u carrier locked by att

Question AT&T G990U2 to T-Mobile or unbranded firmware help needed

I would appreciate if anyone can point me to the right direction. I have 21FE G990U2 from AT&T, It is unlocked by AT&T.
All I need is working T-Mobile firmware or Samsung (no carrier branding) to flash. I tried multiple versions of U, U1 and U3 firmwares (all matching my current Binary -4) but no success.
I just would like to get rid of ATT bloat. I know I can uninstall it via ADB but I rather have firmware clean of it.
Any suggestion please?
Thanks

So am I right to assume that you are looking for a G990U2 TMB firmware with Binary 4, to flash on a G990U2 AT&T phone?
If so, then you can download it from the below link by clicking on "Download Samfw server" (G990U2OYN4EWC3, April 2023 update):
Download Galaxy S21 FE 5G SM-G990U2 (TMB) G990U2SQS4EWC3 in Samfw - Samsung firmware download
Galaxy S21 FE 5G SM-G990U2 (TMB - United States) G990U2SQS4EWC3 T(Android 13) samsung firmware download all model, lastest, fast update, completely free and fast speed in Samfw.com ✅
samfw.com
or if I am assuming wrong, can you please correct my understanding? As I do not have any practical hands-on experience with the USA models.

Shuhan44 said:
So am I right to assume that you are looking for a G990U2 TMB firmware with Binary 4, to flash on a G990U2 AT&T phone?
If so, then you can download it from the below link directly (G990U2OYN4EWC3, April 2023 update):
https://02-samsung.cloud/v2/IxJCDiMnLh8SLAo5IRtBAzwDMyMyCB4lFzssIDs2ByAzMUEgOzEUQDMQMCMBOyw/LiUzJjIXCDkuJC8/NDseIy8xIQYzOAIlPDAVHRIvMz81CAIkMwsuOB42FA00Nh4LNS8vFjIXLA0NFzE/PAMeOTMADTkDAC4mNBEaMCExQQEhJQUUHjFCMTs4BkIjCyI/Iws8MQEWCDAeCw0xCREHOTQbIyshAD4OIQAGLC44Hiw0ER4OMiUzLDIlDSs8AD4fJhsGOg8HCkA8AywnCRc+Di8LBxAzBy4RDxYpKTwkHjUeBylCJgceKTIXIUAJER4OMi8+AwMSMBsBAzY5LwNBJi8IMAQ4MTQUAQMgLyMsHjM7JDMHLzEjJDgAISk8PxQ9NTggQiYbLyUhJCEpMjsHJzw2KSceFy4QIzEvKw8WIAYhFh4JMjAeLDQsLCM0Gy45IzgGQiMDPB0jJCI/ARYFMCMiExM=
or if I am assuming wrong, can you please correct my understanding? As I do not have any practical hands-on experience with the USA models.
Click to expand...
Click to collapse
You are correct - I need T-Mobile (or carrier free) so I can utilize full carrier settings.
Thanks for the link, however above link gives an error when opening the page.
Nevertheless I will look for TMB firmware with CSC: G990U2OYN4EWC3 and post an update here

Flashed that and still has AT&T boot logo and all the apps

h078 said:
Flashed that and still has AT&T boot logo and all the apps
Click to expand...
Click to collapse
Well, I am sure that you have flashed by a Factory reset (Flashed CSC, not Home CSC in ODIN). The boot logo can be changed by rooting your device, also bloatware apps can be deleted via ADB command without rooting.. but you already have mentioned that you prefer not to proceed with those processes. So I am out of suggestions, sorry.
Just for my knowledge, after flashing the TMB firmware, now your settings> About phone> software information> service provider software version: 2nd line shows as TMB/ TMB/ AT&T?
(Also corrected the download link in my previous comment anyway).

Yes, you are correct i did flash CSC, not home CSC. Then I reflashed w home CSC but software still says ATT/ATT/ATT.
Moreover on Bootloader screen says "carrier ATT" - I have never seen that before on any Samsung phone that I had. I have no clue how did they lock up device that well. As for removing software via ADB that is not a problem, but ATT locks network selection mode so you cant choose between 5G, LTE, 3G etc..
TMobile in US still supports EDGE and sometimes it comes handy - whereas ATT has only LTE and 5G as they re-farmed EDGE and 3G/HSPA frequencies

h078 said:
Yes, you are correct i did flash CSC, not home CSC. Then I reflashed w home CSC but software still says ATT/ATT/ATT.
Moreover on Bootloader screen says "carrier ATT" - I have never seen that before on any Samsung phone that I had. I have no clue how did they lock up device that well. As for removing software via ADB that is not a problem, but ATT locks network selection mode so you cant choose between 5G, LTE, 3G etc..
TMobile in US still supports EDGE and sometimes it comes handy - whereas ATT has only LTE and 5G as they re-farmed EDGE and 3G/HSPA frequencies
Click to expand...
Click to collapse
I do not get why the CSC can never be changed, even after flashing the complete firmware... must be an ATT thing!
Anyway, to change the csc only, there is another very quick & easy method. It takes only 2/3 minutes; no flash or factory reset is required. You have to download and install a small software "SamFW Tool" on your pc/laptop (may need to disable the antivirus during the download/install process). Once done, connect the phone and enable USB debugging mode. Open the software, under the ADB tab, click Change CSC, from the dropdown list select TMB and click Change. The phone will restart and CSC "Should" change to TMB/TMB/ATT.
Here is the download link for the software:
https://www.mediafire.com/file/upaiwadhmstm6js/SamFwToolSetup_v4.6.zip/file

That did the trick. I have T-Mobile CSC now
Thanks a lot

h078 said:
That did the trick. I have T-Mobile CSC now
Thanks a lot
Click to expand...
Click to collapse
Great!
But still, that's only one part of the final solution I think. Your target was to replace the complete firmware from ATT to TMB, right? Since the CSC is now changed to TMB, I think you can give it another try via ODIN to install the TMB firmware now (only if you want). I am not confident that it will work now, but still, one last try should not be much of a hassle.

I think that these multi CSC contain all US carrier customizations....When I changed it to TMB it shows TMB/TMB/ATT and loads bootlogo as well as TMobile apps... I guess it is similar as Blackberry used to be back in the days...Depending which carrier SIM used it loaded proper settings from the firmware...

I have flash my METROPCS G990U2 to G990U3,other sim card work fine,but t mobile sim card does not work ,can someone help me?I already change CSC to xxa,but still no internet,I do have sginal bar​