Downgrade from ColorOS7 to ColorOS6.1 - Oppo Reno Ace Questions & Answers

I have downloaded the last official update ColorOS7 based on android 10 but I didn't like it and I need to downgrade/ flash colorOS6.1 based on android 9. I have searched on internet but there is no guide and I downloaded the firmware from oppostockrom.com but the msm download tool need user & pass.
Does anyone know how to downgrade ?

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[Q] Problem in downgrade or upgrade firmware

I flashed huawei ascend g6-u10 from KitKat b330 to jb b146. This build has some problem like it didn't activate custom version. I decided to go back to original build 135. But during install it will give an error "oemsbl version list check error".
I extract current installed update file and one of the line in oemsbl list file was b135.
I tried to install from fast boot and adb it didn't worked.
I decide to use sp flash tool and it need scatter file and I don't have and there is nowhere I can find it. I tried to use android droid tools but it can't generate scatter file I think because phone is not rooted.
I tried every tools I know to root device but didn't work too.
I tried to unlock bootloader too. I think is nessesarry for rooting but can't get unlock code.
Is there any way to forcely install b135 or b330?
Or is there any way I can get scatter file for sp flash?
Or is there any way to root o.s. ?
Or is there any way to skip oemsbl version list check during install?
Or is there any way to get unlock code.
Huawei device was read and flash firmware completely from /sdcard/dload folder ever.
I don't know this works still now, but why don't you try this?
Downgrade from emui 3.0 to emui lite 2.0 in huawei g6
Friends can you help me in downgrading my huawei g6 to original os emui lite 2.0.
I upgarded to emui 3.0 but I dont know how to downgrade.
Please help.
czkey said:
Huawei device was read and flash firmware completely from /sdcard/dload folder ever.
I don't know this works still now, but why don't you try this?
Click to expand...
Click to collapse
I said I tried that it shows an error
Oemsbl version check error.
I passed that . successfully rooted phone and installed cwm recovery
But now I can't flash custom rom it giva an error again

MT-L09 B137 update and root

Hello,
I want to root it ,but if it is possible then to install a newer version of android first. I currently have 4.4.2 .
I saw SRKTool only work with 6.0 . kingroot hasn't work. I did unlooked the bootloader (afterwards).
So, if I saw correctly , there is no OTA update for the firmware, just full firmware to install , from here :
https://forum.xda-developers.com/mate-7/general/huawei-mt7-l09-l10-stock-firmware-ota-t3275784
But any full firmware (6.0) would work , right?
And there is no TWRP 2.7.8.0 for my specific version, but generally for android 4.4.2 , there is . So, I am too afraid to install it right now.
Is it justified ?
There is also a tool that installs MT7_CWM_CN_EN for android 4.4.2 on this device (don't have a link) . should it work?
Thanks,
Eyal
See this thread:-
https://forum.xda-developers.com/mate-7/help/mt7-l09v100r00b137-to-upgrade-to-t3554758
If you have any question feel free to ask here.
eyalk5 said:
Hello,
I want to root it ,but if it is possible then to install a newer version of android first. I currently have 4.4.2 .
I saw SRKTool only work with 6.0 . kingroot hasn't work. I did unlooked the bootloader (afterwards).
So, if I saw correctly , there is no OTA update for the firmware, just full firmware to install , from here :
https://forum.xda-developers.com/mate-7/general/huawei-mt7-l09-l10-stock-firmware-ota-t3275784
But any full firmware (6.0) would work , right?
And there is no TWRP 2.7.8.0 for my specific version, but generally for android 4.4.2 , there is . So, I am too afraid to install it right now.
Is it justified ?
There is also a tool that installs MT7_CWM_CN_EN for android 4.4.2 on this device (don't have a link) . should it work?
Thanks,
Eyal
Click to expand...
Click to collapse
Please clear first you want to upgrade or root..?
if You want to root then no need to upgrade Android to have root simply flash custom recovery eg: twrp for kitkat that's it when you flashed it before reboot it'll ask to install supersu you can also flash supersu by yourself just flash twrp recovery then flash supersu.zip
Twrp for kitkat
https://forum.xda-developers.com/ma...overy-twrp-2-8-6-0-mate7-android-4-4-t3136588
Need further help please ask...:good:
"Thanks. I got it myself, when I stopped worrying and installed twrp. No way to update without erasing my data, I see.
eyalk5 said:
Hello,
I want to root it ,but if it is possible then to install a newer version of android first. I currently have 4.4.2 .
I saw SRKTool only work with 6.0 . kingroot hasn't work. I did unlooked the bootloader (afterwards).
So, if I saw correctly , there is no OTA update for the firmware, just full firmware to install , from here :
https://forum.xda-developers.com/mate-7/general/huawei-mt7-l09-l10-stock-firmware-ota-t3275784
But any full firmware (6.0) would work , right?
And there is no TWRP 2.7.8.0 for my specific version, but generally for android 4.4.2 , there is . So, I am too afraid to install it right now.
Is it justified ?
There is also a tool that installs MT7_CWM_CN_EN for android 4.4.2 on this device (don't have a link) . should it work?
Thanks,
Eyal
Click to expand...
Click to collapse
In which thread here did you found that SRK Tool for Android 6 devices? Currently I am on MT7-L09C432B571 and this update sucks.

HELP Downgrade android 11 to 10

I'm on android 11 ui 2.0 i want to downgrade to android 10 or i want to unlock bootloader on my android 11 because many apps lik pubg doesn't support 90 fps and bug wohth sound too.someone help me please
there is an unofficial TWRP for this phone, you can flash it through that. most likely pubg will get an update fixing this or realme will.
QuadzHS said:
there is an unofficial TWRP for this phone, you can flash it through that. most likely pubg will get an update fixing this or realme will.
Click to expand...
Click to collapse
on android.11 i can t get fast boot so i cant flash any file .on android 10 there is apk in depht test but the android 11 havn t and thnks
1st download ozip file android 10 latest cn version https://www.realme.com/cn/support/software-update india version https://www.realme.com/in/support/software-update europe version https://www.realme.com/eu/support/software-update indonesia version https://www.realme.com/id/support/software-update and flash follow this tutorial https://c.realme.com/in/post-details/1271381271037083648
Fatic said:
1st download ozip file android 10 latest cn version https://www.realme.com/cn/support/software-update india version https://www.realme.com/in/support/software-update europe version https://www.realme.com/eu/support/software-update indonesia version https://www.realme.com/id/support/software-update and flash follow this tutorial https://c.realme.com/in/post-details/1271381271037083648
Click to expand...
Click to collapse
thnks bro but i can't reach my fast boot.there is no in depht test for android.11 so my bootloader is locked
read the whole thread https://forum.xda-developers.com/f/realme-x50-pro-questions-answers.9995/
Hi guys,
I tried to install the twrp after update to 11 and now I'm stuck in bootloader.
I tried the realme flasher but it just doesn't boot.
I tried flash recovery.
I built my own recovery, and nothing.
Any way to go back to 10?
Touche said:
Hi guys,
I tried to install the twrp after update to 11 and now I'm stuck in bootloader.
I tried the realme flasher but it just doesn't boot.
I tried flash recovery.
I built my own recovery, and nothing.
Any way to go back to 10?
Click to expand...
Click to collapse
Bro, you ****ed.
I've been waiting a solution since November last year.
Buy another phone.
I am a realme 7 user. i upgraded to android 11 and realme ui 2.0 and then unlocked bootloader and now i am stuck. i am not able to install TWRP because the available TWRP is for android 10 and its not working and i can't access realme ui recovery because i did "fastboot erase recovery" and if somehow i am able to enter the realme ui recovery its not showing any files present in my internal storage when i open install from internal storage. i am able to reboot the phone and can use the phone normally but i want to flash pixel plus ui but now i am not able to do it.
please any one help me if you guys know any method to rollback to android 10 and realme ui 1.0 after unlocking bootloader please help me. i have tried everything on youtube but i can't find anyone facing the problem i faced. please if any one came across the same problem i am facing and they know the method to rollback please help me.
Android 11 - https://otafsg-cost.realmemobile.co...1800680_all_N9M9Yt5wmbHu_2c2baefdce351cb.ozip
Roolback Android 10 - https://meocloud.pt/link/d67aa784-4.../RMX2076PU_11_OTA_0527_all_2rHJeJBmtJF0.ozip/

Ugrading Android version

I am on Android V 9.0 /OOS 9.0.2. I am wanting to flash /e/ and it seems I need to be on the recent Android version as the instructions say "please ensure that the device is on the latest Android Stock firmware same as the version of the /e/OS you are planning to install."
When I run System update it says my updates are current. How do I update Android to a current version?
I am a user so please keep things as simle and as non-tech as possible. Thanks
rbillock said:
I am on Android V 9.0 /OOS 9.0.2. I am wanting to flash /e/ and it seems I need to be on the recent Android version as the instructions say "please ensure that the device is on the latest Android Stock firmware same as the version of the /e/OS you are planning to install."
When I run System update it says my updates are current. How do I update Android to a current version?
I am a user so please keep things as simle and as non-tech as possible. Thanks
Click to expand...
Click to collapse
rbillock said:
I am on Android V 9.0 /OOS 9.0.2. I am wanting to flash /e/ and it seems I need to be on the recent Android version as the instructions say "please ensure that the device is on the latest Android Stock firmware same as the version of the /e/OS you are planning to install."
When I run System update it says my updates are current. How do I update Android to a current version?
I am a user so please keep things as simle and as non-tech as possible. Thanks
Click to expand...
Click to collapse
Issue resolved. I used the MSMDownload tool and flashed a Ver 10 zip to the phone
rbillock said:
I am on Android V 9.0 /OOS 9.0.2. I am wanting to flash /e/ and it seems I need to be on the recent Android version as the instructions say "please ensure that the device is on the latest Android Stock firmware same as the version of the /e/OS you are planning to install."
When I run System update it says my updates are current. How do I update Android to a current version?
I am a user so please keep things as simle and as non-tech as possible. Thanks
Click to expand...
Click to collapse
just in case someone is in the same situation as you, you just need to update to OOS 9.0.9, you can do that by downloading the update package and installing it through local update option, once you are on that specific version you'll get an update notification for 11.1.2.2
Is there any way to update oos 10 to 11 only on slot A? As i understand when i am updating with the stock update app it switches slots after the update, but i have Windows 11 installed on the slot B

Question Give me Rog 5s best flashable firmware without any bug Android 11

Hello,
My name is sunny saini I want to do downgrade my Rog 5s from A12 to A11 that's I need the Rog 5s downgrade firmware I downloaded from the asus official site but it's have only 3 files i need flash_raw_and_wipe_data.exe firmware... anyone help me please give me the link
you need to download the official firmware downgrade android on the asus website, put the file in the root of the memory where there are android folders and the like. reboot the phone and wait until the firmware file is found and click on the update confirmation. You can also rename the firmware file with your hands, but so that the desired firmware is made higher by the number that is currently installed and repeat the process with rebooting the phone.
ReCiDiV said:
you need to download the official firmware downgrade android on the asus website, put the file in the root of the memory where there are android folders and the like. reboot the phone and wait until the firmware file is found and click on the update confirmation. You can also rename the firmware file with your hands, but so that the desired firmware is made higher by the number that is currently installed and repeat the process with rebooting the phone.
Click to expand...
Click to collapse
I need to downgrade not update
Sunny_Saini said:
I need to downgrade not update
Click to expand...
Click to collapse
read
ReCiDiV said:
you need to download the official firmware downgrade android on the asus website, put the file in the root of the memory where there are android folders and the like. reboot the phone and wait until the firmware file is found and click on the update confirmation. You can also rename the firmware file with your hands, but so that the desired firmware is made higher by the number that is currently installed and repeat the process with rebooting the phone.
Click to expand...
Click to collapse
Its is official downgrade a12 to A11, lmfao.... It's so easy....

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