Samsung S8+ G955U AT&T Stock Firmware - Samsung Galaxy S8+ Guides, News, & Discussion

I m looking everywhere the stock room of G955U with bootloader level 4. If anybody knows where to find it. I m trying to install the stock rom but whatever i tried didnt work binary 4>1 so i think that happens because the phone has later version of bootloader than the files that i try.
Please if you can help me. Thanks.

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Downgrade SM-G531H to KitKat?

Since the G531H can't be rooted yet, I've tried to downgrade to KitKat using odin and a image for the G530H. It failed. Can it be done?
PS> I am a noob.
LMAA420 said:
Since the G531H can't be rooted yet, I've tried to downgrade to KitKat using odin and a image for the G530H. It failed. Can it be done?
PS> I am a noob.
Click to expand...
Click to collapse
It can't be done, since the g531h has another hardware specifications, you will ended with a bricked phone.
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galaxy
Plz help me
LMAA420 said:
Since the G531H can't be rooted yet, I've tried to downgrade to KitKat using odin and a image for the G530H. It failed. Can it be done?
PS> I am a noob.
Click to expand...
Click to collapse
Imposible .-.
531H 4.4.4 never had since its launch has been 5.1.1:fingers-crossed:
How can I downgrade from lollipop 5.0.2 to kitkat 4.4.4 stock rom
I am on galaxy grand prime G530H, I tried downgrading using Odin but failed
CAN ANYONE HELP ME?
THANKS IN ADVANCED
novinmia said:
How can I downgrade from lollipop 5.0.2 to kitkat 4.4.4 stock rom
I am on galaxy grand prime G530H, I tried downgrading using Odin but failed
CAN ANYONE HELP ME?
THANKS IN ADVANCED
Click to expand...
Click to collapse
Go here, find the proper OS and country for your device >> http://samsung-firmware.org/model/SM-G530H/page/1
Many pages, 11+..then use Odin..I personally havent reverted to KK from LP..but I have reverted to an earlier version of 5.1.1..because I'm new to Samsung..and my Grand Prime, from box with 5.1.1
Dont know if you can revert to 4.4.4
The reason being, is a possible bootloader version change..in my past experiance with Moto devices, once the bootloader version changes, reverting cannot be done..
Research this..which may be your flash failure cause..or maybe a bad download or incorrect OS for your device..the country code MUST match..
sent by my: SM-531M-57 Grand Prime (or) my: SM-N910C Note 4 (Lollipop 5.1.1)
Thanks for your response, but still it didn't work. I did as you suggested; I downloaded
the correct firmware for my device, flashed it via Odin but failed. On device it shows "SW REV CHECK FAIL : (aboot) Fused 2 Binary 1" error
I recently updated to lollipop 5.0.2 via Odin, my phone model SM-G530H baseband G530HXXU2BOH5.
I think the reason I can't downgrade to Kitkat 4.4.4 is because of bootloader update.
I want to downgrade to Kitkat because most of the apps which used to work on Kitkat don't work on lollipop anymore, and also its very slow.
if anyone out there could help downgrade to Kitkat, plz do it. I would greatly appreciate it.
I'm sorry it didnt work for you..
Make sure you are flashing the correct OS for your device..I cant say for sure, new to Samsung..but probably a bootloader update issue..Maybe research which bootloader version with KK and LP..I think you may find your revert issue..I hope I'm wrong..please someone correct me if I'm wrong..
sent by my: SM-531M-57 Grand Prime (or) my: SM-N910C Note 4 (Lollipop 5.1.1)
since no one can tell me how to downgrade to Kitkat, it feels like I 'm stuck on lollipop forever. I 'm desperate to go back to Kitkat ; kindly let me know if you come up with something.
regards
novinmia said:
since no one can tell me how to downgrade to Kitkat, it feels like I 'm stuck on lollipop forever. I 'm desperate to go back to Kitkat ; kindly let me know if you come up with something.
regards
Click to expand...
Click to collapse
Here >> http://samsung-firmware.org/model/SM-G531H/page/1
Go down this list..do you see 4.4.4 anywhere.?
You are asking for something that doesnt exist..and also..bootloader will PROBABLY be an issue..Dont think you realize what you are asking for..
If you MUST have 4.4.4 then sale your device and purchase a device on 4.4.4..SOLUTION..
Note Edge bootloop: phone screen goes black after Samsung logo, what are my options?
i have a galaxy note edge, but couple of days back when i unpluged my phone from the charger and tried to turn it on it would not boot up properly;even if it did it would turn itself off at different times. so i had decided to flash stock rom, thinking this could solve the problem. i downloaded stock rom from sammobile, flash it via odin,and it was successful;but when the phone rebooted with rebooting recovery on the top left of the screen then the screen went black. to turn the the device on again i have to pull the battery out and put back in after 10-15 seconds. and now whenever i try to turn the device on, it boots up with 'rebooting to recovery' on the top left of the screen but goes black as soon as the samsung logo shows up. i don't know what's causing this problem.
if anyone out there could help me get out of this problem,i would greatly appreciate it
thanks in advanced
Wanted to ask if it is safe to flash build number LMY48B.G531HXXU0AOK2 with build date of Nov 2015 over the build LMY48B.G531HXXU0APC2 with build date in March 2016.
Tl;dr is it safe to flash an older lollipop build over a new one using odin

Unrooting to stock rom?

Hi,
I have been rooting my note 4 since it came out and familiar with any problems that may occur with kernels and stuff...
I decided to sell my phone and put it towards an S8 when i t comes out, i am sending my phone to Mazuma Mobile but wanted to unroot it first but the stock firmwares i am flashing though Odin are stuck on the Samsung start up screen.
I am not sure about unrooting and need some help, the latest firmware i have tried is "BTU-N910FXXU1BOC5-20150423120804" - i have the N910F model but it wont load beyond the Samsung bootup screen.
Anybody give me some help please and maybe point me to the correct firmware that i should be using?
Appreciate any help.
Thank you.
Think i need to use the latest firmware - N910FXXS1DQC3
Can someone point me to somewhere i can download this please?
Every link i check asks me to buy an upgrade account to down load this firmware.
Cheers

Need help finding the stock firmware for my unlocked galaxy s8

I was planning on rooting my phone and found out that the battery doesn't charge to 100% yet. I installed the 4 modified firmware files that were included and want to return to the stock firmware, but I cant find the right firmware for my phone.
PDA/CSC Version is: G950USQE1AQDE
CSC code: XAA
Any help would be appreciated. Thanks!
I gave you what you need on Reddit in case you haven't seen it yet.

Help to get back to AT&T Firmware after flash G935U

Greetings pals i have a really big question, i got a S7 Edge from AT&T (SM-G935A) but i cant update to nougat so i flash the unlocked (SM-G935U) firmware to get Nougat so i just wanna go back to AT&T but i cant via odin i downloaded a lot of firmwares labeled to 935A but when i try to flasg via odin it stucks at File analysis and thats it, also i tried with another (older) version of odin and it gives me a soft brick the main cause i want to go back to AT&T its because i want to try Oreo Beta but im stuck
Any help would be appreciated and if something its wrong with this let me know

Samsung Galaxy S8 - BOOTLOADER

hi.
can anybody please tell me how can i downgrade the bootloader of my galaxy s8? its been updated and since then i cannot install android 7.0, i only can use 8.0.0 which i don't really like it.
i want to downgrade the bootloader and install 7.0, or, if this is not possible i just want to reinstall the current bootloader, i think it has some problems. i tried to downgrade it once (not knowing if it possible or not) and i got a fail message in odin. i'm that type who doesn't like errors at all and i just want to reinstall the bootloader corectly. thx
p.s1: sorry for the category of this post, but i'm new on forum, just made the account so it wont let me post anywhere else...
p.s2: sorry for my english, it ain't that good.
teo.tda18 said:
hi.
can anybody please tell me how can i downgrade the bootloader of my galaxy s8? its been updated and since then i cannot install android 7.0, i only can use 8.0.0 which i don't really like it.
i want to downgrade the bootloader and install 7.0, or, if this is not possible i just want to reinstall the current bootloader, i think it has some problems. i tried to downgrade it once (not knowing if it possible or not) and i got a fail message in odin. i'm that type who doesn't like errors at all and i just want to reinstall the bootloader corectly. thx
p.s1: sorry for the category of this post, but i'm new on forum, just made the account so it wont let me post anywhere else...
p.s2: sorry for my english, it ain't that good.
Click to expand...
Click to collapse
you want to go back to nougat from oreo , am i right ? Then try this video, if it doesnt help please reply to me and i am gonna find a solution to you ASAP
1) https://www.youtube.com/watch?v=qqpucWXyfqY
hi. thx, but i did this right (like in the video) many times, and it worked perfectly. now is not working cuz the bootloader was updated, and it won't let me downgrade the firmware anymore. i am still trying to find a way but i don't know if is possible.
i am searching a way to downgrade bootloader and then downgrade the firmware, but i dunno if is possible to downgrade bootloader once it was updated.
i am looking for the same solution. i managed to downgrade to Nougat but cant install custom rom
Can someone help me? I have G950FD which Firmware should I flash for my phone? I am using this model in the US
So no solution to downgrade bootloader version?
Bootloader downgrade for U6 is not available yet (For free)
rilley said:
So no solution to downgrade bootloader version?
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Click to collapse
I have searched the whole web. but, I haven't find the solution to downgrade the bootloader for Binary 6. Well, my phone's OS is dead after upgrading to pie. So, apparently the only way for me and to others who are facing the similar issue is to wait until someone releases Binary 6 combination firmware for SM-G950FD.
Good news: It's easy to get your phone running if your bootloader is not upgraded to binary 6. Cuz, Binary 5 firmwares and combination files are available out there and they are 100% working unless your MB is dead.
Note: I have flashed following stock firmwares successfully through ODIN [INS-G950FXXU6DSK9-20191231094010 and INS-G950FXXS6DTA1-20200120123810] yet no luck. Can't boot the OS. Tried to root the phone, cant able to flash the custom recovery. Nothing just works.
Someone, please tag me if ever finds U6 combination file. That's the only hope to bring back my phone to life.

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