Database Users

New S7E, want to flash U firmware. How to go about it?

I have a new S7E that's on the May 1st Security Patch (baseband version G935TUVS3APD8) and was hoping I could flash the U firmware. Is this possible? How do I do it?

ChristianBale said:
I have a new S7E that's on the May 1st Security Patch (baseband version G935TUVS3APD8) and was hoping I could flash the U firmware. Is this possible? How do I do it?
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I'm pretty sure you won't be able to because your already onpd8 and have bootloader v3. The U firmware needs bootloader v2

how to downgrade from official 8.0 to 6.0

I try with Odin but it is not...please.

Try to download latest 6.0 frimware but I think bootloader is locked and it's impossible.

Have you tried with ticking bootloader option i Odin ?

anarasgarli said:
Try to download latest 6.0 frimware but I think bootloader is locked and it's impossible.
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oh yes..

Sparkynis said:
Have you tried with ticking bootloader option i Odin ?
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yes.

nm180618 said:
I try with Odin but it is not...please.
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I believe i read somewhere on here that you can only flash the same bootloader version as 8.0 is version 2 so the only one you can downgrade to is one with bootloader version 2 and that is 7.0 i understand. Correct me if i am wrong though,

daveparki said:
I believe i read somewhere on here that you can only flash the same bootloader version as 8.0 is version 2 so the only one you can downgrade to is one with bootloader version 2 and that is 7.0 i understand. Correct me if i am wrong though,
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Correct.
Find 7.0 Firmware that is at least March 2018 or newer (Binary 2 Rom) to downgrade from 8.0 Oreo

benjamen50 said:
Correct.
Find 7.0 Firmware that is at least March 2018 or newer (Binary 2 Rom) to downgrade from 8.0 Oreo
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Just download the firmware for 6.0.1 and flash it in odin, I've done it several times and it works very nicely.

I'm surprised they would allow 6.0.1 firmware to flash what model is your phone sm-g935f and was it on 8.0?

BL code drops to 6.0 without code but network goes

daveparki said:
I believe i read somewhere on here that you can only flash the same bootloader version as 8.0 is version 2 so the only one you can downgrade to is one with bootloader version 2 and that is 7.0 i understand. Correct me if i am wrong though,
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yes only the latest 7.0 firmware

Hello,
I downgraded to 6.0 but phone is now stuck in boot loop and i'm unable to access recovery mode.
I'm only able to access download mode.
Please how can i resolve this problem?

Hey guys, who knows do we have option like — flash fw with older bootloaders and then do isolated new bootloader flash to make older fw work?
Something like that, because i "heard" similar tricks in internet, like people are flashing modem and bootloader bins separately after downgrade flashing like from android 8 to 6. But didn't find proper instructions on that.
Is it possible? Is there instruction out there?
Yeah, oreo is better than nougat and yeah yeah new features, new updates blablabla. I just believe that every device is always better with its first software - we all saw and know how Apple does, i dont think that other companies dont do something like this...after masscopy of notches personally i dont have any doubts...why you think samsung "upgrades" this bootloader sh*t? It's the same thing like it was with iphone 4s - no downgrade option, and "upgraded" version of fw forcedly reduced the work of processor and other performances - you forced to BUY new one. Same politics in Samsung.
Well, for me marshmallow is better than all others in using S7 - it's faster and bugfree than nougat or oreo, yes it's oldy and even some basic performance features not exist, but still android 6 is the best for S7. I used custom roms but they are really buggy, badly buggy, definitely not a choice for everyday using. Oh i missed the days with nexus phones...not pixels.

Advice
Alex-M8 said:
Just download the firmware for 6.0.1 and flash it in odin, I've done it several times and it works very nicely.
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my friend you were correct she worked said failed after BL CP gave it a shot with hydrarom and she loaded right up to my amazement!!!
thxs

mark5150 said:
my friend you were correct she worked said failed after BL CP gave it a shot with hydrarom and she loaded right up to my amazement!!!
thxs
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Explain bro..how is the performance? How it feels?

AT&T CRD6 OREO on 930U and CANT revert back to BRA1, BQE1, BRD1 in Odin

Literally no matter what I do. I cannot flash ANYTHING in Odin to either revert back to 7.0 or stock 8.0. Its not flashing any version of 7 or 8 and its not flashing any U firmware or AT&T firmware.
What am I doing wrong. I flashed 8.0 with the intent to be able to revert back to stock 7.0 once official Oreo rolled out and I literally cant do anything in Odin. I've tried odin 3.13 and 3.12 prince version. HALP
update: flashed G930UUEU4BRD1 using odin 3.12 successfully. phew

As far as I know, the newest Oreo version of AT&T is CRE4, not BRD6 as you say

SKv.DinDin said:
As far as I know, the newest Oreo version of AT&T is CRE4, not BRD6 as you say
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You may be speaking about where I said CRD6, that is a version of Oreo that doesn't have much difference than the latest version of Oreo CRE4. Most of them after release have been minor changes. I was not flashing back to BRA1 to constantly flash the newest update of Oreo. I have an unlocked s7 so I can flash any carrier but eventually when the official oreo firmware comes out for either tmobile or the unlocked 930 varient i will be switching back to OTA updates

aarongotgame said:
You may be speaking about where I said CRD6, that is a version of Oreo that doesn't have much difference than the latest version of Oreo CRE4. Most of them after release have been minor changes. I was not flashing back to BRA1 to constantly flash the newest update of Oreo. I have an unlocked s7 so I can flash any carrier but eventually when the official oreo firmware comes out for either tmobile or the unlocked 930 varient i will be switching back to OTA updates
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You tried with patched odin? Odin v3.13.1 3B.

anarasgarli said:
You tried with patched odin? Odin v3.13.1 3B.
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The issue was probably that I needed to put home file in csc and exclude the csc file and then factory reset and clear caches. I probably ended up factory reset before Odin and didn't activate USB debug or the files I was using were corrupt. Since then I've just flashed TMobile Oreo that came out a few days ago and I'm gonna just use official ota for future updates

aarongotgame said:
The issue was probably that I needed to put home file in csc and exclude the csc file and then factory reset and clear caches. I probably ended up factory reset before Odin and didn't activate USB debug or the files I was using were corrupt. Since then I've just flashed TMobile Oreo that came out a few days ago and I'm gonna just use official ota for future updates
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Looks like same problem with Galaxy S8, just search Stuck 32% error at Galaxy s8.

Reverting back from Oreo to either Nougat or Marshmallow
I am a newbie here.. Recently my ATT Galaxy S7 received Oreo upgrade and I am not at all liking it.
Can someone please guide me if it's possible to go back to Nougat or even marshmallow (preferable). If yes, what would steps for same..
My device is SM-G930A. Originally ATT device and now it's unlocked by ATT.
My device is currently NOT rooted , I am OK with rooting it.. I would appreciate if someone can help me with steps for same as well..
Thanks in advance..

[F8331] Change stock firmware for a better LTE signal

Hi everybody,
I'm new here, I have bought my first sony (used) but I notice that the LTE signal is so poor specially indoor. The seller hasn't saw me that the firmware is an UK fw also I live in italy, infact, after a little research, I noticed that there is a carrier's app called EE and the fw version installed is of EE carrier's. The phone is sim unlock. There isn't root and I haven't unlook the bootloader.
My questions are:
- Can I change the stock uk firmware putting in an Italian stock firmware?
- Can I change it without root and without unlook the bootloader?
- How?
- Is there a guide that I can follow?
- Can I change the CSC for preserve the ota upgrade? How? I'd like to change fw preserving OTA update.
I don't wanna unlock the bootloader and root the phone cause I don't want lose the DRM licenses (widevine specially). I'm not interested to rooting or make any modding.
I'd like to put a stock room without bloat apps and with a strong lte signal.
Here the Info about the phone:
F8331
Android 8.0
Phone Software Version: 1302-9157_41.3.A.2.171
Global-LTE3A
Generic-41.3.a.2.171
S1 Boot version: 1299-4832 S1_BOOT_MSM8996_LA2.0_O_204
BASEBAND: 8996-8996.gwn.prodQ-00070-40
Customization version: 1305-7307R8E
Codes phone for CSC doesn't work.
Thanks y for the support
P.s.
Here a link to some pics about the phone:
4shared.com/s/dipBSZcFc

I think it should be possible to just Flash another Regions Firmware via Androxydes Flashtool.
No need for unlock as long as u have any offical fw (XperiFirm comes with Flashtool and downloads offical files)
But I may be wrong tho, this just came to my mind in the first moment

LoaderFabi said:
I think it should be possible to just Flash another Regions Firmware via Androxydes Flashtool.
No need for unlock as long as u have any offical fw (XperiFirm comes with Flashtool and downloads offical files)
But I may be wrong tho, this just came to my mind in the first moment
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Thanks you LoaderFabi for the suggest, so I will waiting for a confirmation about that.
Meanwhile can y tell me a link to a guide and download the tool?
Anyway, thanks again ?

You can flash any region's firmware without unlocking the bootloader. You need Xperifirm to download the firmware, and Flashtool to flash it.

Kuarinfou said:
You can flash any region's firmware without unlocking the bootloader. You need Xperifirm to download the firmware, and Flashtool to flash it.
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Ok, and about the OTA's update? Will it be automatically? Or do I have something about? And how?
Can you link me a guide to flash the fw and, eventually, to do something about OTA's update?
Thanks

Sean_Droid said:
Ok, and about the OTA's update? Will it be automatically? Or do I have something about? And how?
Can you link me a guide to flash the fw and, eventually, to do something about OTA's update?
Thanks
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Since it's an official firmware, you always get updates OTA (i think XZ will no longer get updates but no need to worry). I didn't see any guide to flash, i'll probably today write a guide to flash firmwares.

Kuarinfou said:
Since it's an official firmware, you always get updates OTA (i think XZ will no longer get updates but no need to worry). I didn't see any guide to flash, i'll probably today write a guide to flash firmwares.
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Thanks y so much Kuarinfou, I will waiting for your guide. I don't remember where I red in this forum about the CSC and that it could not change also flashing a stock fw bringing the OTA's issue... Probably I remember wrong ?
Anyway, Quote me when you will do it.

Sean_Droid said:
Thanks y so much Kuarinfou, I will waiting for your guide. I don't remember where I red in this forum about the CSC and that it could not change also flashing a stock fw bringing the OTA's issue... Probably I remember wrong
Anyway, Quote me when you will do it.
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https://forum.xda-developers.com/xperia-xz/how-to/guide-flashing-firmware-xperia-phones-t3860048

Kuarinfou said:
https://forum.xda-developers.com/xperia-xz/how-to/guide-flashing-firmware-xperia-phones-t3860048
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Thanks you so much ?

Reverting Back to Unbranded Unlocked Firmware - Please help

Hello all,
My problem is as follows:
I have the SM-G950U USA Galaxy s8, Unbranded and unlocked. I flashed the Samsung UI beta firmware back in January which put me on T-Mobile firmware. I have been trying to flash back to the unbranded unlocked firmware, but have not found it available anywhere online.
I would like to revert back to my original unbranded firmware because now I do not receive any software updates, as when I go to software update in settings I get the message, "Your current software version is not supported. Visit a service center." I therefore can only update by flashing releases through Odin. I flashed the March security patch update from Tmobile recently, so that is what I am currently running.
Any help would be greatly appreciated!

Just check the bootloader version and flash U1 fw in odin. You may need patched odin. Updato or samfirm should be able to get the u1 fw no issue.

twizt3d said:
Just check the bootloader version and flash U1 fw in odin. You may need patched odin. Updato or samfirm should be able to get the u1 fw no issue.
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Thanks for the reply. Could you please explain what you mean by "check the bootloader version" and how I would do that. Thanks!

Tchamaa said:
Thanks for the reply. Could you please explain what you mean by "check the bootloader version" and how I would do that. Thanks!
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5th digit from far end of your current firmware as of now is 1 though 5 what ever it is you need a u1 firmware equal to or greater than

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TheMadScientist said:
5th digit from far end of your current firmware as of now is 1 though 5 what ever it is you need a u1 firmware equal to or greater than
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Thank you. Much appreciated.

TheMadScientist said:
5th digit from far end of your current firmware as of now is 1 though 5 what ever it is you need a u1 firmware equal to or greater than
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So I flashed XAA firmware off of Sam mobile. The files did not have the "userdata" file - after flashing my phone has Sprint userdata and has two Sprint system applications. Is there anyway to get rid of Sprint entirely and completely revert to unbranded? Flashing the G950U1 XAA got me back to receiving automatic updates, but has not gotten rid of the phone being branded...