Rollback from Android 10 - Samsung Galaxy S9 Questions & Answers

Is it possible to rollback to android 9 or 8 from android 10 with Odin?
I tried once but it faild.
G960F
Thank you !

I am looking to downgrade too, but the same failed!
I have found this lifehacker.com/how-to-downgrade-your-phone-from-android-10-to-android-1837868743 and also youtube.com/watch?v=CdTT4cEUWc4
not sure if its legit, give it a try and let me know... Android 10 is a mess!

kentax said:
Is it possible to rollback to android 9 or 8 from android 10 with Odin?
I tried once but it faild.
G960F
Thank you !
Click to expand...
Click to collapse
It seems like it would be possible to downgrade with the use of a combination file.
But I can't find any for the current bootloader version.

Related

Help. Can't downgrade from EMUI 9.1 with dload

I used the dload method to upgrade my dual sim p20 lite ANE-LX3 C605 with bootloader locked from EMUI 8.1 to 9.1, it is actually the first time I ever do something to this phone so I am not completely sure how this works I think my phone was rebranded to C432 because the name of the firmware I downloaded is Huawei P20 Lite ANE-LX1 ANE-L01 ANE-L21 hw eu Anne-L01 Anne-L21 9.1.0.132(C432E5R1P7T8) Firmware 9.0.0 r3 EMUI9.1.0 05014YWN 05014YXX. EMUI 9.1 works like a charm but I want to downgrade to EMUI 8 in order to have an earlier version of google play services, I have download a few different firmware from androidhost.ru,
1. Huawei P20 Lite ANE-LX3 ANE-L23 claro la Anne-L23 8.0.0.152(C605) Firmware 8.0.0 r1 EMUI8.0 05015ATQ
2. Huawei P20 Lite ANE-LX1 ANE-L21 hw eu Anne-L21 8.0.0.150(C432) Firmware 8.0.0 r1 EMUI8.0 05014YWN
3. Huawei P20 Lite ANE-LX1 ANE-L21 hw eu HLRCF Anne-L21 8.0.0.180(C432) Firmware 8.0.0 r1 EMUI8.0 05014YXX
With 1. and 3. it says software install failed please get help from emui dot com
With 2. it says that the software package is not compatible with the current version .
This is my first post so I cant upload any images but some info on the version and build number as seen currently:
Model: ANE-LX3
Build number: ANE-LGRP2-OVS 9.1.0.132
Hardware version: HL3ANNEM
Custom version: CUSTC605D1
Under version component version in the project menu it says: get version component version fail!.
Any help with this matter would be much appreciated, thanks in advance.
Try the PC program HiSuite, it has a rollback option.
stranded.eu said:
Try the PC program HiSuite, it has a rollback option.
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Click to collapse
Doesn't work for this phone sadly
I've been running into the same problem with my LX3, our best bet is to wait for the official LX3 update and maybe we can downgrade form that version. Until that we're pretty much stucked with this firmware.
srniceguy95 said:
Doesn't work for this phone sadly
Click to expand...
Click to collapse
i does work, in hisuite go to update, and there u can rollback to emui 8
nofx161 said:
i does work, in hisuite go to update, and there u can rollback to emui 8
Click to expand...
Click to collapse
It doesn't, already tried with older and newer versions of HiSuite
Benjaes123 said:
I've been running into the same problem with my LX3, our best bet is to wait for the official LX3 update and maybe we can downgrade form that version. Until that we're pretty much stucked with this firmware.
Click to expand...
Click to collapse
Yeah looks like it
I need to degrade from emui 9 to 8
Hello good men, has any managed to degrade from emui 9 to 8 successfully?
alvaro_lopez_r said:
Hello good men, has any managed to degrade from emui 9 to 8 successfully?
Click to expand...
Click to collapse
Still waiting for that LX3 update to rebrand, hope that'll work
srniceguy95 said:
Still waiting for that LX3 update to rebrand, hope that'll work
Click to expand...
Click to collapse
That is to say that this compilation ANE-LGPR2-OVS 9. 1.0.132 ruined our phone
alvaro_lopez_r said:
That is to say that this compilation ANE-LGPR2-OVS 9. 1.0.132 ruined our phone
Click to expand...
Click to collapse
Pretty much... We'll just have to wait for the official update and see if we can rollback or do something else
has anyone still figured it out?
Benjaes123 said:
Pretty much... We'll just have to wait for the official update and see if we can rollback or do something else
Click to expand...
Click to collapse
Still haven't figured something out?
Nah... Usb connection to hisuite isn't even working so we can't downgrade (which was the problem in the first place), hopefully a dload is uploaded to androidhost.ru so we can try updating.
Tomorrow I'll try to figure something out but can't promise anything.
Benjaes123 said:
Nah... Usb connection to hisuite isn't even working so we can't downgrade (which was the problem in the first place), hopefully a dload is uploaded to androidhost.ru so we can try updating.
Tomorrow I'll try to figure something out but can't promise anything.
Click to expand...
Click to collapse
usb connection to hisuite is working for me, what do i have to do help!!
Send private message because it will not let me insert the system link
solved, I have restored my ANE-LX3
Zep0th said:
Still haven't figured something out?
Click to expand...
Click to collapse
in this thread is the solution to our problem
https://forum.xda-developers.com/hu...wngrade-ane-lx3-ane-lgrp2-ovs-pie-to-t3944399

Downgrade from Android 10 to Android 9

Hi guys,
I installed Android 10 via OTA but it is full of bugs. I want to go back at 9 which was perfectly stable.
Is there a way to downgrade from 10 to 9 without losing the European warranty?
Thanks :highfive:
I haven't tried this, but downloading the previous full system zip from ASUS and using adb sideload from ASUS' recovery should work in this way, I could be wrong.
Edit, I tried this ^^
Didn't work, perhaps follow this guide: https://forum.xda-developers.com/zenfone-5z/how-to/guide-zenfone-5z-how-to-root-downgrade-t3815877
Use this file https://dlcdnets.asus.com/pub/ASUS/ZenFone/ZS620KL/UL-Z01R-WW-100.11.162.111-Downgrade-user.zip
surioit said:
Hi guys,
I installed Android 10 via OTA but it is full of bugs. I want to go back at 9 which was perfectly stable.
Is there a way to downgrade from 10 to 9 without losing the European warranty?
Thanks :highfive:
Click to expand...
Click to collapse
They have mentioned method to downgrade from Q to P on the official site. I downgrade my device today, working perfectly now.
https://www.asus.com/us/Phone/ZenFone-5Z-ZS620KL/HelpDesk_Download/
Thanks to everyone, I solved it with the official downgrade method

The differences between Android 9 and Android 10

I recently brought Rmn8p with miui 11.0.6 (global) , wait to unlock bootloader. After that flash preloader & lk then trwp and root.
I was wondering what's the difference between android 9 and android 10? Is it almost the same like I read at some post? Someone has updated to android 10 may share some viewpoints with us, thanks!
Already unlocked bootloader , root and xposed , phone recorder installed. Thanks to those pioneers.
donkeyman1234 said:
I recently brought Rmn8p with miui 11.0.6 (global) , wait to unlock bootloader. After that flash preloader & lk then trwp and root.
I was wondering what's the difference between android 9 and android 10? Is it almost the same like I read at some post? Someone has updated to android 10 may share some viewpoints with us, thanks!
Click to expand...
Click to collapse
Hey. I think this is widely discussed elsewhere. Just search for "MIUI Android 9 vs MIUI Android 10" in Google or YouTube. You'll find way more information there than you would ever find here regarding such generic topics. Have fun ?

Question I can't roll back LE2120

Good morning, hope someone point me in the right direction, i have a Oneplus 9 Pro chinese LE2120, came with indian rom, but I am trying to move to the global one or european, anytime i try to flash the downgrade zip it shows a warning that i can't to downgrade due to avoid booting up failure, could somebody advice me with this please?
Thanks in advance.
pankk said:
Good morning, hope someone point me in the right direction, i have a Oneplus 9 Pro chinese LE2120, came with indian rom, but I am trying to move to the global one or european, anytime i try to flash the downgrade zip it shows a warning that i can't to downgrade due to avoid booting up failure, could somebody advice me with this please?
Thanks in advance.
Click to expand...
Click to collapse
Get a new downgrade zip that seems like it's a reg zip not downgrade zip
Try rollback packages from here
Downgrade OnePlus Android 12 to Android 11 [OxygenOS 12 to OxygenOS 11]
In this guide, we will show you the steps to downgrade OnePlus devices from Android 12 (OxygenOS 12) to Android 11 (OxygenOS 11)
www.droidwin.com
toolhas4degrees said:
Get a new downgrade zip that seems like it's a reg zip not downgrade zip
Try rollback packages from here
Downgrade OnePlus Android 12 to Android 11 [OxygenOS 12 to OxygenOS 11]
In this guide, we will show you the steps to downgrade OnePlus devices from Android 12 (OxygenOS 12) to Android 11 (OxygenOS 11)
www.droidwin.com
Click to expand...
Click to collapse
Thank you, i will try it!
Also I believe they mentioned a "rollback apk" in addition to the downgrade zip that needed to be used to roll back.
Forgot to mention that I am in 11.2.9.9
pankk said:
Forgot to mention that I am in 11.2.9.9
Click to expand...
Click to collapse
I have exactly the same phone and I have no problem running the India version. to run the global version wait for the next full global update. download it from the oxygen update and install it manually. I'm gonna do the same because I would Ike running the global version before oxygen Os 12 come.
Thank you for your response, that's what i want to do, run global before Oxygen 12.

Question Rollback Process

Sorry for this noob question
But there any way to Rollback to C.09 Update or Rollback to Android 10
There's a link to an Android 10 rollback package in the Android 11 announcement in the Indian community forums. That seems the easiest approach and according to smiley.raver in another thread you don't need to match Android 10 firmware with your region.
Alternatively you could flash some Android 10 firmware directly. You can find some links to downloads from realme on various sites such as realmefirmware that could you could flash with your favourite MTK flash tool. My choice would be mtkclient because I prefer to use Linux where possible but quite likely the choices for Windoze would be more user friendly.
Good luck! (I am a Noob too.)
Thanks for Reply Bro...
The post from Realme community where Rollback package is given..
Some users said...that's package not working its failed white downgrading
And I m also gonna use Linux after few days...What's is step of MTK client on Linux
And Also I downloaded file from Realmefirmware site ...
But don't find exact process for flash it
crit172 said:
Thanks for Reply Bro...
The post from Realme community where Rollback package is given..
Some users said...that's package not working its failed white downgrading
Click to expand...
Click to collapse
Is that right? I skimmed across the thread and didn't notice remarks like that. Anyway, I can't help you either way as I haven't tried myself.
And I m also gonna use Linux after few days...What's is step of MTK client on Linux
Click to expand...
Click to collapse
No idea. Did I mention I was a Noob? You probably will find a guide to MTK flashing in one or more threads on this site.
Again Thanks for Reply
I will try myself
Backup all the partitions of your phone first and let us all know of your success.
crit172 said:
And Also I downloaded file from Realmefirmware site ...
But don't find exact process for flash it
Click to expand...
Click to collapse
it depends on the firmware file format
it also depends on if you have full firmware file vs upgraded file
can you provide a few more details and i can help out where i can.
Realme C21 RMX3201 Downgrade Firmware Android 10 MHN Tested.rar - AndroidHost.RU
Download file - Realme C21 RMX3201 Downgrade Firmware Android 10 MHN Tested.rar
androidhost.ru
I downloaded file from this site...
And will flash using Infinity Box CM2MT2
I will try on Sunday I hope it will work
Hi, I'm trying to download back to Android 10 to perform the region hack to enable the Dual Sim functionality from Australian Optus prepaid Realme C21.
But I'm stuck. I downloaded this file from the realme forums, talking about a rollback package.
RMX3061PU_11_OTA_0370_all_kpNiOQ0SFsQk.ozip
But as i follow the instructions it tells me, the install version is older hence wont continue. This is with the built in recovery method.
Mainly posts mention that the special rollback ozip can be used to downgrade but for some reason the recovery wont allow me.
I'm not clear as to how I can downgrade back to Android 10.
I know there are roms (how do I flash these??? do I need to unlock bootloader), then were are ozips which are realme stock roms.
So what is the best way to downgrade back to 10??
Just want to get back to 10 so I can change the region to the 'optus prepaid xxxx', to get dual sim.
beatmag00 said:
Hi, I'm trying to download back to Android 10 to perform the region hack to enable the Dual Sim functionality from Australian Optus prepaid Realme C21.
But I'm stuck. I downloaded this file from the realme forums, talking about a rollback package.
RMX3061PU_11_OTA_0370_all_kpNiOQ0SFsQk.ozip
But as i follow the instructions it tells me, the install version is older hence wont continue. This is with the built in recovery method.
Mainly posts mention that the special rollback ozip can be used to downgrade but for some reason the recovery wont allow me.
I'm not clear as to how I can downgrade back to Android 10.
I know there are roms (how do I flash these??? do I need to unlock bootloader), then were are ozips which are realme stock roms.
So what is the best way to downgrade back to 10??
Just want to get back to 10 so I can change the region to the 'optus prepaid xxxx', to get dual sim.
Click to expand...
Click to collapse
Few Days ago Successfully Downgrade My Realme C21 to android 10 from Android 11
If You want know Method just Reply here
crit172 said:
Few Days ago Successfully Downgrade My Realme C21 to android 10 from Android 11
If You want know Method just Reply here
Click to expand...
Click to collapse
yes please.
Could you share how you downgraded?
I've been looking at flashing it directly with the zip firmwares you can download. But the process seems complex and I haven't found a clear way to do it.
Just want to downgrade to android 10, change region then enable dual sim and then allow it to upgrade back to 11 and 12 I guess.
If you use telegram
Msg me on
@CRit_172
This ID
I cna explain there and can send You necessary files ..
I have a theory.
Use mtk-client to unlock bootloader.
Install twrp with all in one tool. (not sure if need to use auth bypass hacks).
use twrp to flash android 10 ozip.
then try to boot into android 10.
use region change codes to perform change.
possibly restore recovery to stock, then lock bootloader and use OTA or ozip upgrades to upgrade to latest.
crit172 said:
Beberapa Hari lalu Berhasil Downgrade My Realme C21 ke android 10 dari Android 11
Jika Anda ingin tahu Metode, Balas saja di sini
Click to expand...
Click to collapse
crit172 said:
Beberapa Hari lalu Berhasil Downgrade My Realme C21 ke android 10 dari Android 11
Jika Anda ingin tahu Metode, Balas saja di sini
Click to expand...
Click to collapse
how to do it?

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