How to downgrade samsung galaxy s8 from android 9 to 7 - Android Q&A, Help & Troubleshooting

Hello everyone,
I have S8 (SM-G950F) on android 9 with (1.0) One UI Version and I want to downgrade to android 7 (Nougat)
First question :
Can I downgrade android 9 to 7 directly or downgrade 9 to 8 before, and 8 to 7.
Second question :
How to select a correctly build number on https://www.sammobile.com/samsung/galaxy-s8/firmware/SM-G950F/XEF/#SM-G950F to flash firmware.
My build number is PPR1.1806610.011.G950FXXSBDUA3
Thank you.

alfredFR63 said:
Hello everyone,
I have S8 (SM-G950F) on android 9 with (1.0) One UI Version and I want to downgrade to android 7 (Nougat)
First question :
Can I downgrade android 9 to 7 directly or downgrade 9 to 8 before, and 8 to 7.
Second question :
How to select a correctly build number on https://www.sammobile.com/samsung/galaxy-s8/firmware/SM-G950F/XEF/#SM-G950F to flash firmware.
My build number is PPR1.1806610.011.G950FXXSBDUA3
Thank you.
Click to expand...
Click to collapse
Hey there !! You want official firmware right ? If so you'll have to downgrade it via Odin. You can downgrade it directly from android 9 to 7. Build number doesn't matter here. The build number you have given here must be of android 9. Just select this version of android 7 ( if you want latest ) the one in yellow :
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Thank you Arc android for the reply.
Yes, I want official firmware and downgrade via Odin. I thought we had to use only the same bootloader version. I was afraid to block my phone.
I will try it, thank you so much.

alfredFR63 said:
Thank you Arc android for the reply.
Yes, I want official firmware and downgrade via Odin. I thought we had to use only the same bootloader version. I was afraid to block my phone.
I will try it, thank you so much.
Click to expand...
Click to collapse
Well you know the instructions right cause I don't !!!!????

Arc android said:
Well you know the instructions right cause I don't !!!!????
Click to expand...
Click to collapse
No, which instructions ?

alfredFR63 said:
No, which instructions ?
Click to expand...
Click to collapse
The instructions for installing stock firmware via odin. Well, you'll get them on Google or YouTube.

Arc android said:
The instructions for installing stock firmware via odin. Well, you'll get them on Google or YouTube.
Click to expand...
Click to collapse
.
Yeah I know, I follow the step in this video
My problem was only about build number

alfredFR63 said:
.
Yeah I know, I follow the step in this video
My problem was only about build number
Click to expand...
Click to collapse
Any success brother ??????

Arc android said:
Any success brother ??????
Click to expand...
Click to collapse
Don't do that yet bro.

Arc android said:
Any success brother ??????
Click to expand...
Click to collapse
Hi bro,
My computer had a problem during this past time .
I can't download the official firmware from https://www.sammobile.com/firmwares/ I must be premium.
Althought, I found the firwmare on https://samfw.com/firmware/SM-G950F/XEF/G950FXXU1AQK7
But Concerning BIT (or SW REV) they say that:
"Samsung do not allows you flash lower SW. REV. for your phone. Do not try if you do not want your phone bricked"
(https://samfw.com/blog/what-is-bit-binary-value)
What do you think about this ?

alfredFR63 said:
Hi bro,
My computer had a problem during this past time .
I can't download the official firmware from https://www.sammobile.com/firmwares/ I must be premium.
Althought, I found the firwmare on https://samfw.com/firmware/SM-G950F/XEF/G950FXXU1AQK7
But Concerning BIT (or SW REV) they say that:
"Samsung do not allows you flash lower SW. REV. for your phone. Do not try if you do not want your phone bricked"
(https://samfw.com/blog/what-is-bit-binary-value)
What do you think about this ?
Click to expand...
Click to collapse
Hey brother. I am absolutely sorry but I can't help you about this. You see, I don't have a PC so I don't know any troubleshooting that might help. I have a Samsung galaxy tab 2 but I only use custom ROMs on it ( if I ever feel like reverting to stock, I use the stock-custom ROMs ) so I don't know. SORRY !!!

Hey sorry brother but actually you should have made this thread here : https://forum.xda-developers.com/f/samsung-galaxy-s8-questions-and-answers.6162/
This is the actual forum for s8, so you will definitely get help here.
Just request a forum moderator to move this thread to s8 question and answer.

i cannot even downgrade so i cannot freaking find a nougat for my version 6 bruh how to bypass the binary check and flash without fail?

Related

Huawei P9 Plus VIE-L09 & L29 [Latest firmware collection]

Hi guys, I'm returned after Mate 8 experience.
I've write a small program to track all Huawei change in Official rom.
Here
L09
B103
B130
B150
B151
B160
B161
L29
B152
VIE-L29C10B160
I'll update this thread for every rom that I'll find.
How update
Insert the Micro SD card into the handset and power on. After entering call -> enter:*#*#2846579#*#* -> ProjectMenu -> Software Upgrade -> SDCard Upgrade-> OK,
Important:
To return full stock consider that B103 is first official full rom. Together with update.pp you must put also this file (unzip) to have this structure on dload directory
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Please HIT a THANKS BUTTON if I help you.
acer73 said:
Hi guys, I'm returned after Mate 8 experience.
I've write a small program to track all Huawei change in Official rom.
Here
B103
B160
I'll update this thread for every rom that I'll find.
Click to expand...
Click to collapse
hi there...possible to find out how to check which ROM im on? and if im allowed to download other ROMs instead?
My VIE-AL10 (C00***) has already jumped two more versions. I was on B163 over the weekend and yesterday on to B169. It is good to see some mionor bug fixes coming through as and when rather than the once or twice a month depending if your running the developer ROM.
Sathelp said:
My VIE-AL10 (C00***) has already jumped two more versions. I was on B163 over the weekend and yesterday on to B169. It is good to see some mionor bug fixes coming through as and when rather than the once or twice a month depending if your running the developer ROM.
Click to expand...
Click to collapse
Thats the advantage of buying China version of the Phone. Developer rom gets updates every month, while stable version gets update about every 2 months. International version gets update like maybe twice a year.
zimmy83 said:
hi there...possible to find out how to check which ROM im on? and if im allowed to download other ROMs instead?
Click to expand...
Click to collapse
Hi mate, you can go in info and read model number
warea said:
Thats the advantage of buying China version of the Phone. Developer rom gets updates every month, while stable version gets update about every 2 months. International version gets update like maybe twice a year.
Click to expand...
Click to collapse
Yes it's real for official update. But I show that rom are on Huawei server. In China last rom is B168 in Europe now B160 but smartphone have customer see only B103 . This is the reason of my thread share with other rom that I find on Huawei server
acer73 said:
Hi mate, you can go in info and read model number
Click to expand...
Click to collapse
great will go check later...have not even used the phone cause was unable to link it up with google contacts and google calendar which is pretty annoying as all my work contacts and appointments are linked to that.
was told there is some apps on the HW app store which allows for this will have to try it tonight. i think its called Calendar and contact sync adapter.
I've downloaded your B160 file and installed it over the phone menu
extracted the downloaded file, copied the update.app to the dload folder on my sdcard and then installed it without problems
thank you!
(Huawei p9 plus vie-l09 from o2 germany)
tomoffel said:
I've downloaded your B160 file and installed it over the phone menu
extracted the downloaded file, copied the update.app to the dload folder on my sdcard and then installed it without problems
thank you!
(Huawei p9 plus vie-l09 from o2 germany)
Click to expand...
Click to collapse
Stay tuned. In weekend a lot of stuff. My tool, twrp recovery and other
I've update first post with new rom
Can you post any L29 ROMs please?
Sent from my EVA-L29 using Tapatalk
geovass said:
Can you post any L29 ROMs please?
Sent from my EVA-L29 using Tapatalk
Click to expand...
Click to collapse
I haven't L29 so I can't use my tool on smartphone. I need real smartphone to capture Huawei files. Sorry for this but I'll study something useful for have this rom
Can you please share your tool with me, so i could get new ROMs for L29 and share with the forum?
Guys tomorrow I'll publish this tool and TWrp recovery with decrypt option
Could we get new ROMs (official) with this tool?
Sent from my EVA-L29 using Tapatalk
geovass said:
Could we get new ROMs (official) with this tool?
Sent from my EVA-L29 using Tapatalk
Click to expand...
Click to collapse
No. Tool is useful only for custom rom (es. twrp, backup/restore)
update first post
If you need help with the decrypt option give me a shout, as I've defeated it for Mate 8 / P9.
P
paulobrien said:
If you need help with the decrypt option give me a shout, as I've defeated it for Mate 8 / P9.
P
Click to expand...
Click to collapse
Hi, mate I've see all your great work. As you can see from image decrypt work. Your reverse engine is really great. Only problem of your source is data partition backup (255 error). I've worked on this matter.
acer73 said:
Hi, mate I've see all your great work. As you can see from image decrypt work. Your reverse engine is really great. Only problem of your source is data partition backup (255 error). I've worked on this matter.
Click to expand...
Click to collapse
Oh, I've not seen the 255 error! What caused it?
P
Sent from my HUAWEI NXT-L29 using Tapatalk

[CLOSED][SHARE][10.0.0] Android 10 Beta internal release Fastboot [10/12/2019][Dragon]

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Note - Iam Not Responsible for bricked devices​
About Android 10 Internal Build
Well we all know that Hmd Released a Road map for Android Q update for 2018 released handsets well in that our Nokia 6.1 Plus will recieve in Jan 2020 Q1 so here the thing is before tasting a stable build by Hmd let me share a beautiful internal stable Beta build by Hikari Calyx
Installation procedure
1. Unlocked bootloader
2. Forget about your data
3. Turn of your phone boot in to download mode
4. Click on flash_all.bat
Sit back and relax for 10 min automatically your phone boots in to android Q
Credits
Massive thank you for hikari_calyx ( Without him there is no internal build )
Download Android Q ​
XDA:DevDB Information
Android Q for the Nokia 6.1 Plus / X6
Contributors
hikari_calyx
Raghu varma
Created 2019-10-12
Last Updated 2019-10-12
here are some screenshots
Now Some common Questions
Q1. Can we flash this on Oreo or On pie?
A. yes
Q2. Can we try this on Locked Bootloader?
A. No
Q3. Can we use this without Adb Tools?
A. No
Q4. Can we Expect bugs?
A. may be or may not
Q5. Can we Downgrade to pie from Q?
A. well our Nokia 6.1 Plus doesnt have Anti roll back so we can flash any android version either oreo or pie or Q
Warranty will be valid or not after this?
Doesnt work with glash.bat
Through stock recovery work though
ps_minky16 said:
Doesnt work with glash.bat
Through stock recovery work though
Click to expand...
Click to collapse
strange for me worked nothing went wrong
nbhowmik3 said:
Warranty will be valid or not after this?
Click to expand...
Click to collapse
The question is very unintelligent...
Q2. Can we try this on Locked Bootloader?
A. No
Unlock bootloader = No warranty
Up to android 10, can it be root?
PvTuan said:
Up to android 10, can it be root?
Click to expand...
Click to collapse
use magisk 20.zip
please help me
Does volte worked?
sltushar said:
Does volte worked?
Click to expand...
Click to collapse
Yes. It does, You just need to go to settings and enable 4G LTE and enhanced 4g network options.
sltushar said:
Does volte worked?
Click to expand...
Click to collapse
Hy man are you able to browse our forum in google chrome? How did you sent this message by XDA app or pc? If PC means send link
Xda lab app, i know our device forum is not browsable on pc or browser
sltushar said:
Xda lab app, i know our device forum is not browsable on pc or browser
Click to expand...
Click to collapse
Thanks for the confirmation
Anyone who have installed the 10, can u please guys confirm, which method to install is preferred and if everything is fine, so i could go fo bootloader unlock
Is there a fix for that mic bug during calling mic doesn't take voice unless call is put on speaker.
Second question is can we expect ota updates from hmd in this build
ankit gaur said:
Is there a fix for that mic bug during calling mic doesn't take voice unless call is put on hold.
Second question is can we expect ota updates from hmd in this build
Click to expand...
Click to collapse
Yes probably an update a stable one for the Q is gonna be out but we don't know when to that's gonna be
sltushar said:
Anyone who have installed the 10, can u please guys confirm, which method to install is preferred and if everything is fine, so i could go fo bootloader unlock
Click to expand...
Click to collapse
I've installed it via stock recovery adb from sd card method, it's the easiest and working.
sltushar said:
Anyone who have installed the 10, can u please guys confirm, which method to install is preferred and if everything is fine, so i could go fo bootloader unlock
Click to expand...
Click to collapse
If you can OTA update to the October security patch, it's best to use the installer from Hikari instead of the fastboot method I think.
The fastboot method here is just a system, boot, and vendor image. For me it didn't work, coming from a custom rom.
The method in Hikari's thread will make sure all your firmware partitions are correct.

Looking for the Official global rom

Hi, I ordered the phone from china and looking to install a global rom so i can change the system to my native language. found this, is it just an update or the whole rom so I can flash it ?
tried to use Morelocal as it worked for me in other phones without rooting in the past using pm command, but it didn't work with the message : "Neither user 2000 nor current process has android.permission." please help
Maybe if you install twrp someone can give you a backup to flash.
ramimidousc said:
Maybe if you install twrp someone can give you a backup to flash.
Click to expand...
Click to collapse
So you're saying that I can't download from that link and flash it? found some other links too but the sizes vary.. some are 3.5GB and others 6GB . they dont explain the diffrence., for example -
https://www.getdroidtips.com/realme-7-pro-rmx2170-flash-file/
https://firmwarefile.com/oppo-realme-7-pro-rmx2170
are these sites reliable?
Just go to the link
Realme Updater
The best place to get Realme devices official stock ROM, firmware, and updates.
realmeupdater.com
Download whatever version you want in Ozip format, copy to SD card , then install from Stock recovery.
(I recommend the last one, RMX2170PU_11_A.37, all working fine!)
Most International languages supported
jungl1st said:
Just go to the link
Realme Updater
The best place to get Realme devices official stock ROM, firmware, and updates.
realmeupdater.com
Download whatever version you want in Ozip format, copy to SD card , then install from Stock recovery.
(I recommend the last one, RMX2170PU_11_A.37, all working fine!)
Most International languages supported
Click to expand...
Click to collapse
Today I read about RMX2170PU_11_A.37 .... But I can't find the version in the Indian or Russian homepage. Do you have more information about this version and where I can find it?
Deleted
Deleted
Murph07 said:
Today I read about RMX2170PU_11_A.37 .... But I can't find the version in the Indian or Russian homepage. Do you have more information about this version and where I can find it?
Click to expand...
Click to collapse
Realme Updater
The best place to get Realme devices official stock ROM, firmware, and updates.
realmeupdater.com
You will find it in the list !
jungl1st said:
Realme Updater
The best place to get Realme devices official stock ROM, firmware, and updates.
realmeupdater.com
You will find it in the list !
Click to expand...
Click to collapse
Sorry, I must correct. I am searching for
RMX2170PU_11.A.39 security patch April.
Murph07 said:
Sorry, I must correct. I am searching for
RMX2170PU_11.A.39 security patch April.
Click to expand...
Click to collapse
That's not available for download, it's a beta ! Just install A37, as me you should soon get RUI 2 official update via software update in settings menu.
jungl1st said:
That's not available for download, it's a beta ! Just install A37, as me you should soon get RUI 2 official update via software update in settings menu.
Click to expand...
Click to collapse
It's not a beta, please read Here.
But now I found it and installed it. It is update with security patch April.
You can download it here directly.
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Murph07 said:
It's not a beta, please read Here.
But now I found it and installed it. It is update with security patch April.
You can download it here directly.
View attachment 5296283
View attachment 5296285
Click to expand...
Click to collapse
whats the difference Rmx2170_11_A.39 and the versions where is Rmx2170PU_11_.25 the "PU" whats is?
TheHMatey said:
whats the difference Rmx2170_11_A.39 and the versions where is Rmx2170PU_11_.25 the "PU" whats is?
Click to expand...
Click to collapse
RMX2170PU is for the Global Indian/Russian version.
RMX2170EU is for the European version.
may i have full firmware EU? Thanks

Question Can the a52 5g be rooted?

I want to root my a52 5g (SM-A526B/DS)
Yes it can, just follow this tutorial.
Installation
The Magic Mask for Android
topjohnwu.github.io
Any phone can be rooted, as long as you can unlock the bootloader.
Please read the instructions on the page carefully and don't skip any text. All of it is important.
DionisieS said:
Yes it can, just follow this tutorial.
Installation
The Magic Mask for Android
topjohnwu.github.io
Any phone can be rooted, as long as you can unlock the bootloader.
Please read the instructions on the page carefully and don't skip any text. All of it is important.
Click to expand...
Click to collapse
I unlocked the bootloader from the dev settings but then i found out twrp does not seem to support the 5g edition
SnikkerCC said:
I unlocked the bootloader from the dev settings but then i found out twrp does not seem to support the 5g edition
Click to expand...
Click to collapse
You don't need TWRP to root this phone.
DionisieS said:
You don't need TWRP to root this phone.
Click to expand...
Click to collapse
Don't i brick the phone then?
SnikkerCC said:
Don't i brick the phone then?
Click to expand...
Click to collapse
How would you brick it? Please read the guide I linked, it's a very simple process
DionisieS said:
How would you brick it? Please read the guide I linked, it's a very simple process
Click to expand...
Click to collapse
Ok thanks!
DionisieS said:
How would you brick it? Please read the guide I linked, it's a very simple process
Click to expand...
Click to collapse
I'm having some problems with the guide, it doesn't give a tutorial with the stock ROM it only show custom ROM
SnikkerCC said:
I'm having some problems with the guide, it doesn't give a tutorial with the stock ROM it only show custom ROM
Click to expand...
Click to collapse
And... the stock rom from my SM-A526B/DS is not anywhere online
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This is what you care about. This is not a custom ROM, you are literally downloading the stock ROM and patching Magisk on it.
DionisieS said:
View attachment 5426313
This is what you care about. This is not a custom ROM, you are literally downloading the stock ROM and patching Magisk on it.
Click to expand...
Click to collapse
The stock rom is not available with that tool
only a52 4g
SnikkerCC said:
The stock rom is not available with that tool
only a52 4g
Click to expand...
Click to collapse
What tool? Use this one. Your model number is SM-A526B. Put that in there and then select your region, but be careful not to select a carrier-locked version.
DionisieS said:
What tool? Use this one. Your model number is SM-A526B. Put that in there and then select your region, but be careful not to select a carrier-locked version.
Click to expand...
Click to collapse
Ok i will look at it
Stock ROM is also available on both sammobile and samfw to download. Which is where I got mine when I rooted the same model. You will also need universal safteynet magisk module to pass safteynet.
Edit: if you know how you only need to extract the boot file from the firmware convert it to a .tar and patch that. Much easier than the whole ap file
Ryola said:
Stock ROM is also available on both sammobile and samfw to download. Which is where I got mine when I rooted the same model. You will also need universal safteynet magisk module to pass safteynet.
Edit: if you know how you only need to extract the boot file from the firmware convert it to a .tar and patch that. Much easier than the whole ap file
Click to expand...
Click to collapse
I also tried everything but failed. hope someone can help, at least twrp for A528b
DionisieS said:
View attachment 5426313
This is what you care about. This is not a custom ROM, you are literally downloading the stock ROM and patching Magisk on it.
Click to expand...
Click to collapse
i have done but A528B is not like other phones. i get stopped at the boot screen, after a few minutes it turns itself off. can't succeed with patchwork magisks
What does tripping knox do?
SnikkerCC said:
What does tripping knox do?
Click to expand...
Click to collapse
It blocks you from using some Samsung apps. Like Samsung pay. Secure folder. Samsung health
And fingerprint sensor? Because it says knox on it
SnikkerCC said:
And fingerprint sensor? Because it says knox on it
Click to expand...
Click to collapse
No my fingerprint sensor is working in all apps

Question Downgrade with Odin

Hello, is it possible to downgrade to Android 11 (One UI 3, no GSI) with Odin? I already have the bootloader unlocked
Lizsca said:
Hello, is it possible to downgrade to Android 11 (One UI 3, no GSI) with Odin? I already have the bootloader unlocked
Click to expand...
Click to collapse
Yes but with wipe data. (Factory reset) is very safety.
-Uses CSC not HOme_CSC
-No magisk
Thanks! I saw a firmware for my CSC on samfw with Android 11, my current version is the most recent on the top, so i just had to download the version with Android 11 and flash with odin?
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Lizsca said:
Thanks! I saw a firmware for my CSC on samfw with Android 11, my current version is the most recent on the top, so i just had to download the version with Android 11 and flash with odin?View attachment 5789011
Click to expand...
Click to collapse
Download "_AVE1"extract its and flash with odin no root & with wipe data ( uses CSC only)
tom.android said:
Download "_AVE1"extract its and flash with odin no root & with wipe data ( uses CSC only)
Click to expand...
Click to collapse
Im sorry i'm new on this, i load the firmware on odin, and just click on start?
Lizsca said:
Im sorry i'm new on this, i load the firmware on odin, and just click on start?
Click to expand...
Click to collapse
the left pane ..Leave cs.. status
then ok start
tom.android said:
the left pane ..Leave cs.. status
then ok start
Click to expand...
Click to collapse
Thanks! I downgraded my tablet successfully
Lizsca said:
Thanks! I downgraded my tablet successfully
Click to expand...
Click to collapse
I have flashed the same "_AVE1" to downgrade from android 12 to 11, but it was before reading this thread.
So I have selected all BL/AP/CP/CSC.
It was downgraded successfully as well.
Is it ok not to use only CSC?
mnom said:
I have flashed the same "_AVE1" to downgrade from android 12 to 11, but it was before reading this thread.
So I have selected all BL/AP/CP/CSC.
It was downgraded successfully as well.
Is it ok not to use only CSC?
Click to expand...
Click to collapse
yes you can't used home_csc , if not may brick your tab or not completely downgrade knox status. i warn you.
tom.android said:
yes you can't used home_csc , if not may brick your tab or not completely downgrade knox status. i warn you.
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oh no! I have used home_csc unfortunately.
I'm lucky it didn't brick. And the knox looks like it's downgraded 3.8 api level 35 -> 3.7 api level 33.
So to emphasize, we have to use CSC_OMC_OXM only in this case? Thank you.
you can do every thing with your device. good luck and happy new year.

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