Downgrade android 10 - OnePlus Nord N10 5G Questions & Answers

Hi, do you know if there is any way to go back to android 10? Thank you

The best way would be to try finding custom ROM for your phone which is running Android 10.

But isn't there a way to flash the previous stock rom of Android 10? The previous version

Just use the MSM tool for your particular device. You can download tools to flash back to stock Android 10.

What do you not like about Android 11?

Omegapsy said:
Just use the MSM tool for your particular device. You can download tools to flash back to stock Android 10.
Click to expand...
Click to collapse
Do you know exactly what tools would be needed?

Thor_2 said:
Do you know exactly what tools would be needed?
Click to expand...
Click to collapse
You need to have previously unlocked bootloader

Put your phone in EDL Mode and use a brick recovery MSM Tool

AFAIK, you do not need an unlocked anything to use the MSM tool. It is pretty bad-ass. Of all the phones I have had, the OnePlus' are the most brick resistant, and that was before using this tool. Now its, like, bulletproof...

there is also a downgrade build here: https://www.thecustomdroid.com/oneplus-nord-android-11-downgrade-guide/ if you put that file in the root dir then go to system updates and choose local updates from the settings you are supposed to see the file and it will let you downgrade. not working for me though. it can see when i the official 10.5.11 build but tells me im not allowed to downgrade. when i switch and use the downgrade build it sees nothing.

Related

[EMUI 5.1] OTA Firmwares and Unbrick Phone method

Consider one day you upset the devil and your phone is bricked by him, lets try to revive the phone from hell (at your own risk) :
Link to the OTA firmware's :
Click here for the links page
Important tools links:
[TOOL] Huawei Multi-Tool v8 by Team MT by inside!out
TWRP Honor 7X img
Stage 1
Download from here everything you need for the procedure - Download Folder Link
I am testing it on my BND-L21 firmware from BND-AL10
Downloading firmware (from topic). Full firmware must be more than 1.5Gb, all smaller is just
OTA Updates to the system.
After that we must download Huawei-MultiTool (future MT) version 8.x.x (link topic)
and downloading custom recovery. We will use TWRP for Honor7x (link topic)
Last we must prepare OTG Cable, SD Card more than 4Gb. On first stage that's all.
Stage 2
Go to MT and reboot phone to Fastboot mode (while phone off, hold "Volume -" and power)
If you did all correctly, you will see in the down right side your number and "Fastboot".
Now go in MT to the Bootloader and check the status. If you have already unlocked, skip this.
If you have locked phone, you must have IMEI and Huawei account. (if not please unlock your bootloader via the Huawei site)
After that, go to Recovery menu and choose our TWRP image in "Custom recovery" section and
type "Recovery". IMPORTANT!!! DON'T FLASH ERECOVERY, I DON'T HAVE THIS IMAGE!!!
After flashing recovery, we must turn off our phone.
Now we must to prepare base system image. In archive we have UPDATE.ZIP file. extract this
file to custom folder and open "Unbrick" in MT and choose "extractor". Open our file in extractor
and click right mouse key on empty space, choose extract all... and choose custom folder to
extracting.
Go to the folder and copy file VENDOR.IMG to the SD-Card (or USB with OTG). Turn on your
device in Recovery mode (Volume + and power), choose Wipe and Wipe ALL partitions! After
doing this, go to Install and choose "Install img", go to the SD-Card, and install VENDOR.img to
VENDOR folder (Important!)
After installing reboot phone again to Fastboot mode and connect to PC.
Now we must download .zip update to your region. We need this for using LTE (4G) in your country + Localization.
After downloading open .zip archive with our CUST file. archive must be called update_BND-
YOUR-NUMBER_hw_YOUR- COUNTRY.zip
From this archive we must extract .img file from root folder. It can be called cust.img CUST.img
version.img etc.
if name different from CUST.img rename it and put to the extracted UPDATE.app folder.
Last Stage 3
In MT go to Unbrick, choose our unpacked system with our CUST file and we must have at least
4/5 checkbox. And just type "UNBRICK" and wait. NOTICE: at moment of extracting system.img
it will be about 10-15 minutes. It's not a freezing of PC)
After good installing in log you will see like "All ok" Just reboot phone and you will see low level
factory reset, or something else like formatting. After formatting phone will reboot to the system.
That's all
Flashing Gapps method coming soon...
Password - 4pda for the update_full_bnd-AL10... Zip
Special Thanks to Kallibr44 my friend who helped me decipher everything. :highfive:
HIT THANKS IF I HELPED YOU IT MAKES ME HAPPY
We need a Full Firmware Package for L21,this is only Ota Updates.
letschky said:
We need a Full Firmware Package for L21,this is only Ota Updates.
Click to expand...
Click to collapse
there is a procedure used by EU users to completely revive the phone using the OTA but the procedure is too long which i haven't tried yet and is completely for users who have dead phones for now and yes obviously there is no official firmware available for Honor 7x but the user from an EU forum revived his phone so it is possible from the images.
though i made this thread for users who want to update their firmwares and not the procedure to flash a stock firmware since there is not one available yet but i can point to the thread where this user posted the procedure if someone wants to try. PM me
sid21 said:
i can point to the thread where this user posted the procedure if someone wants to try. PM me
Click to expand...
Click to collapse
Yes please....
fmotta said:
Yes please....
Click to expand...
Click to collapse
Sent reply.
There are teams who have unlocked a lot of stuff like flashing international FW,
flashing gapps on chinese fw, Automatic Call Recording, restoring the phone.
so i am in contact with them to make our phone better. lets keep our fingers crossed. :fingers-crossed:
i am waiting for firmware flashing to get it translated from one of the users.
This is the full recovery package right? Atleast for the Indian version?
TheDj408 said:
This is the full recovery package right? Atleast for the Indian version?
Click to expand...
Click to collapse
They arent recovery packages. they are full OTA which can be flashed for updating.
but there is a process to compile them into making them stock firmware packages but due to the long procedure i didnt post it here. rather wait for official stock firmware package.
sid21 said:
Hello Honor 7X Users, turns out there is firmware available for flashing for the AL10 and L21 variants
but i haven't tried them out and can post the procedure if someone needs it but all credit goes to PRO-TEAMMT for releasing them for us so now if we mess up we got official firmware's latest available to go back to.
I personally haven't tested any but i soon will.
Link to the firmware's :
Click here for the links page
Important tools :
[TOOL] Huawei Multi-Tool v8 by Team MT by inside!out
TWRP Honor 7X img
Steps : (Considering you have unlocked bootloader and flashed twrp)
1. Download the appropriate firmware as per your model (Link to the website given)
2. Clear Cache
3. Flash the firmware file
(Wait for the complete process to flash a firmware from scratch so that i can do it and confirm myself but if anybody tests before me let me know)
Refer to the thread by inside!out for any help till them if you want to try out
Click to expand...
Click to collapse
Hi
I am a New in Android world
I have honor 7x BND L21c185b101
And i rooted
Know exactly do this?
Step 3 how?
And the multi tool For what?
sid21 said:
there is a procedure used by EU users to completely revive the phone using the OTA but the procedure is too long which i haven't tried yet and is completely for users who have dead phones for now and yes obviously there is no official firmware available for Honor 7x but the user from an EU forum revived his phone so it is possible from the images.
though i made this thread for users who want to update their firmwares and not the procedure to flash a stock firmware since there is not one available yet but i can point to the thread where this user posted the procedure if someone wants to try. PM me
Click to expand...
Click to collapse
Can I have the procedure link?
I ordered a 7X from AliExpress.
I also own an Honor 5X & errrmmmm.. I'm not a developer rather still a learning buildbot ? still I want to take part in bringing up LOS or AOSP for Honor 7X. So we can work on it together if you want. ?
Cheers!
P.S. Belated Merry Christmas.
tootysa said:
Hi
I am a New in Android world
I have honor 7x BND L21c185b101
And i rooted
Know exactly do this?
Step 3 how?
And the multi tool For what?
Click to expand...
Click to collapse
exactly what you want to do?
this is to update to the latest firmware. if you have the latest firmware you dont need it.
the multi tool is used to flash stock with a procedure which is only needed to return to stock or else theres no need for it for the most part..
mumith3 said:
Can I have the procedure link?
I ordered a 7X from AliExpress.
I also own an Honor 5X & errrmmmm.. I'm not a developer rather still a learning buildbot ? still I want to take part in bringing up LOS or AOSP for Honor 7X. So we can work on it together if you want.
Cheers!
P.S. Belated Merry Christmas.
Click to expand...
Click to collapse
PM Sent kindly check.
sid21 said:
Hello Honor 7X Users, turns out there is firmware available for flashing for the AL10 and L21 variants
but i haven't tried them out and can post the procedure if someone needs it but all credit goes to PRO-TEAMMT for releasing them for us so now if we mess up we got official firmware's latest available to go back to.
I personally haven't tested any but i soon will.
Link to the firmware's :
Click here for the links page
Important tools :
[TOOL] Huawei Multi-Tool v8 by Team MT by inside!out
TWRP Honor 7X img
Steps : (Considering you have unlocked bootloader and flashed twrp)
1. Download the appropriate firmware as per your model (Link to the website given)
2. Clear Cache
3. Flash the firmware file
(Wait for the complete process to flash a firmware from scratch so that i can do it and confirm myself but if anybody tests before me let me know)
Refer to the thread by inside!out for any help till them if you want to try out
Click to expand...
Click to collapse
HI I wanna know many things:
1-if I can constantly update the 7x with the application (or the software on PC, is the same) "Firmware Finder" even if I don't recive the official OTAs (because I want to root my device)
2-if its possible upgrade the system via OTA (or Firmware finder etc...) when the device is rooted
3-is dangerous root the Honor 7x?
4-if I can upgrade the system when the device Is rooted via the software HiSuite
5- how/where can I do/find and restore a Nandroid Backup for my phone
6-where I can find a local/manual update (UPDATE. APP) for the 7x (in case a brick the phone)
7-how can i UNBRICK my phone I case of brick
(sorry for my bad english?)
PLEASE HELP ME??
Thanks
Lambo™ said:
HI I wanna know many things:
1-if I can constantly update the 7x with the application (or the software on PC, is the same) "Firmware Finder" even if I don't recive the official OTAs (because I want to root my device)
2-if its possible upgrade the system via OTA (or Firmware finder etc...) when the device is rooted
3-is dangerous root the Honor 7x?
4-if I can upgrade the system when the device Is rooted via the software HiSuite
5- how/where can I do/find and restore a Nandroid Backup for my phone
6-where I can find a local/manual update (UPDATE. APP) for the 7x (in case a brick the phone)
7-how can i UNBRICK my phone I case of brick
(sorry for my bad english?)
PLEASE HELP ME??
Thanks
Click to expand...
Click to collapse
1) ???
2) Not sure there is always a chance of bricking
3) Yes, if you don't know what you're doing. No if you're not going to be flashing anything.
4) You should be able to and also refer to #1.
5) None available
6) None available
7) You can't, no stock image released = no procedures to unbrick
Soapy! said:
1) ???
2) Not sure there is always a chance of bricking
3) Yes, if you don't know what you're doing. No if you're not going to be flashing anything.
4) You should be able to.
5) None available
6) None available
7) You can't, no stock image released = no procedures to unrbcik
Click to expand...
Click to collapse
1- can i upgrade the system at every update (when the device is rooted) with Firmware finder many times even if I don't recive the notification on the phone of the update (or if the device updater cannot find it)?
2-ok but if do all right steps you cannot brick the phone, no?
3-ok i only wanna unlock bootloader, flash twrp and root the phone. If I do all right steps there are no risks, no?
4-i don't understand it (in hisuite there s the option that says "Update device". With the device rooted can I update the phone with this software?)
5-ok but can I do one with a custom recovery, no?
6-ok so we just have to wait, no?
7-ok. Same thing of the - 6 (we have to wait for the UPDATE.APP for the 7x to be able to UNBRICK the phone in case it could happen, no?)
Sorry for my bad English and thanks for the answers?
Lambo™ said:
HI I wanna know many things:
1-if I can constantly update the 7x with the application (or the software on PC, is the same) "Firmware Finder" even if I don't recive the official OTAs (because I want to root my device)
2-if its possible upgrade the system via OTA (or Firmware finder etc...) when the device is rooted
3-is dangerous root the Honor 7x?
4-if I can upgrade the system when the device Is rooted via the software HiSuite
5- how/where can I do/find and restore a Nandroid Backup for my phone
6-where I can find a local/manual update (UPDATE. APP) for the 7x (in case a brick the phone)
7-how can i UNBRICK my phone I case of brick
(sorry for my bad english)
PLEASE HELP ME
Thanks
Click to expand...
Click to collapse
1. yes you can if the app supported honor 7x with their firmware but it doesn't yet, use twrp
2. yes you can upgrade via flashing it in twrp
3. unlocking bootloader itself is dangerous let alone rooting since your waranty is gone since there is still no sign of official stock firmware
4. same as no. 1 ans
5. if u flashed twrp you can do your nandroid backup which can be later restored anytime so it will be obv on the phone at that time
6. manual or local update? in the op main post i guess? by opening the link?
7. Still no official firmware and the procedure i am aware of consists of turning the official chinese firmware into normal by changing settings and stuff which is a long procedure so probably if u brick, u r stuck until honor decides to release stock firmware
by the looks i guess you have no clue about phone flashing, its better you dont try anything until there are guides properly made for newbies. :silly:
sid21 said:
1. yes you can if the app supported honor 7x with their firmware but it doesn't yet, use twrp
2. yes you can upgrade via flashing it in twrp
3. unlocking bootloader itself is dangerous let alone rooting since your waranty is gone [emoji14] since there is still no sign of official stock firmware
4. same as no. 1 ans
5. if u flashed twrp you can do your nandroid backup which can be later restored anytime so it will be obv on the phone at that time
6. manual or local update? in the op main post i guess? by opening the link?
7. Still no official firmware and the procedure i am aware of consists of turning the official chinese firmware into normal by changing settings and stuff which is a long procedure so probably if u brick, u r stuck until honor decides to release stock firmware
by the looks i guess you have no clue about phone flashing, its better you dont try anything until there are guides properly made for newbies. :silly:
Click to expand...
Click to collapse
Thanks lol [emoji23]
Sent from my BND-L24 using Tapatalk
I rooted my 7X(Al10) version successfully but while performing the reset, deleted the system file also by mistake. There is no TWRP backup. Is there any way to get the stock OS files again to flash in TWRP ? Or does anyone have a backup file they made that they can share? I tried Huawei e-recovery too, but that gets stuck at 'unable to get package info'. The people at the service centre can't think of any other method to restore the phone, except changing the motherboard. When is the official stock file expected to be available?
GC95 said:
I rooted my 7X(Al10) version successfully but while performing the reset, deleted the system file also by mistake. There is no TWRP backup. Is there any way to get the stock OS files again to flash in TWRP ? Or does anyone have a backup file they made that they can share? I tried Huawei e-recovery too, but that gets stuck at 'unable to get package info'. The people at the service centre can't think of any other method to restore the phone, except changing the motherboard. When is the official stock file expected to be available?
Click to expand...
Click to collapse
I have a TWRP backup not sure if it'll work, https://drive.google.com/file/d/1EntdgNwcJSOTZizqt_W-yWfkd3-YVmCm/view?usp=drivesdk
It's a zip file with 2 backup folder, one with boot and system and one with vendor
Edit: pls thank if it worked, so I have an indicator of the effectiveness
GC95 said:
I rooted my 7X(Al10) version successfully but while performing the reset, deleted the system file also by mistake. There is no TWRP backup. Is there any way to get the stock OS files again to flash in TWRP ? Or does anyone have a backup file they made that they can share? I tried Huawei e-recovery too, but that gets stuck at 'unable to get package info'. The people at the service centre can't think of any other method to restore the phone, except changing the motherboard. When is the official stock file expected to be available?
Click to expand...
Click to collapse
I am waitinig for the official stock file since two weeks now, because I deleted accidently the OS from my phone -_-
I think we can wait several weeks again...
---------- Post added at 12:04 PM ---------- Previous post was at 12:03 PM ----------
Jan.Pul said:
I have a TWRP backup not sure if it'll work, https://drive.google.com/file/d/1EntdgNwcJSOTZizqt_W-yWfkd3-YVmCm/view?usp=drivesdk
It's a zip file with 2 backup folder, one with boot and system and one with vendor
Click to expand...
Click to collapse
Thanks! I will try on my bricked phone
sid21 said:
1. yes you can if the app supported honor 7x with their firmware but it doesn't yet, use twrp
2. yes you can upgrade via flashing it in twrp
3. unlocking bootloader itself is dangerous let alone rooting since your waranty is gone since there is still no sign of official stock firmware
4. same as no. 1 ans
5. if u flashed twrp you can do your nandroid backup which can be later restored anytime so it will be obv on the phone at that time
6. manual or local update? in the op main post i guess? by opening the link?
7. Still no official firmware and the procedure i am aware of consists of turning the official chinese firmware into normal by changing settings and stuff which is a long procedure so probably if u brick, u r stuck until honor decides to release stock firmware
by the looks i guess you have no clue about phone flashing, its better you dont try anything until there are guides properly made for newbies. :silly:
Click to expand...
Click to collapse
1. In the app firmware finder there are firmwares for the phone but how can I flash a official firmware (OTA I mean) if there are no one (or how can I flash a firmware finder Update)?
2. Same thing in -1 (I mean)
3. Ok. Now we have to wait the official stock firmware, no? (i don't understand this answer, please write it in another way)
4. I don't understand it
5. Okok (obv? Sorry I'm Italian hahaha)
6. It's not the same thing local or manual? Write it in another way please hahaha google translate doesnt help me?
7. Okok, So if I don't use your method I only have to wait that honor release the official stock firmware (UPDATE. APP). And for greater security it's better wait it before to root and unlock bootloader etc, no?
Anyway, I have an idea of ​​what flashing is, in fact every device I have (they are all Samsung, so that's why I'm disoriented) is completely modified. The fact is that I dont have much experience (I'm 14 years old) with non-Samsung devices, in fact my honor 7x I received for Christmas and for the hurry and the want to modify it, I would like to know all these things.
Thank you
---------- Post added at 02:25 PM ---------- Previous post was at 02:23 PM ----------
k0pernicus said:
I am waitinig for the official stock file since two weeks now, because I deleted accidently the OS from my phone -_-
I think we can wait several weeks again...
---------- Post added at 12:04 PM ---------- Previous post was at 12:03 PM ----------
Thanks! I will try on my bricked phone
Click to expand...
Click to collapse
OK thanks I'll keep it aside in case of brick
I would recommend everyone to not do experiments over your phone to try and root and flash random stuff..
they only have official chinese firmware for flashing so its better to wait for the official firmware for non chinese version.
the method which i know of to flash on the phone is for people with flashing knowledge cz the procedure is not simple and secondly even i have been flashing my phone for many years on various devices yet i havent got the guts to root this first honor device cz their partitions are different and somewhat secured so dont play with it.
wait for the official firmware for your respective devices. maybe they will straightaway launch the oreo firmware.

Which Rom is the best for the Mate 10 Pro

Hey Guys,
what do you think is the best costum rom (stable) for the Mate 10 pro?
Is it possible to flash it with Pie 9.0.161?
Thanks for Help :victory:
Just wait for the ota update to pie.
that's definitely a worse rom. i'm on it right now.
wooley4766 said:
Just wait for the ota update to pie.
Click to expand...
Click to collapse
I already have the Pie Update via Firmware Finder.
But i want to flash to a stable Pie Rom :fingers-crossed:
Pie Update
HauAbDuLauch said:
I already have the Pie Update via Firmware Finder.
But i want to flash to a stable Pie Rom :fingers-crossed:
Click to expand...
Click to collapse
If you have the Pie update from firmware finder it's an approved ROM unless you have a modified recovery it checks and you wouldn't be able to install it if it wasn't approved so you probably have the latest approved ROM
revjamescarver said:
If you have the Pie update from firmware finder it's an approved ROM unless you have a modified recovery it checks and you wouldn't be able to install it if it wasn't approved so you probably have the latest approved ROM
Click to expand...
Click to collapse
but no custom
Hi! Quick question. My BLA-L09 is on build number 8.0.0.131(c782). I'm rooted with Magisk via Pretoriano's TWRP using the all in one tool. I can't receive firmware updates because of this (they fail to install).
If I update to Pie, will I be able to root again with Magisk? How can make this update? I suppose I would need stock recovery back and don't know where to get it from it how to flash it. It was my first time doing this on a Huawei, I'm used to Samsung devices. Any help would be appreciated.
Thanks!
93starletgt said:
Hi! Quick question. My BLA-L09 is on build number 8.0.0.131(c782). I'm rooted with Magisk via Pretoriano's TWRP using the all in one tool. I can't receive firmware updates because of this (they fail to install).
If I update to Pie, will I be able to root again with Magisk? How can make this update? I suppose I would need stock recovery back and don't know where to get it from it how to flash it. It was my first time doing this on a Huawei, I'm used to Samsung devices. Any help would be appreciated.
Thanks!
Click to expand...
Click to collapse
Nope, you won't. Any version from 8.0.0.146 and above will contain the new bootloader which won't let you unlock it or install twrp, magisk or whatever, most probably you will brick your phone like I did.
You'll be a lot safer to stay on what you're on. Huawei did a nifty development to make life miserable to anyone which likes to customize their phone. Maybe they should be called Huapple from now on...
I was in a similar situation as you, 141 if I remember correctly. Installed Xposed via magisk, got a bootloop, did a system restore via erecovery, got it working again and lost magisk/root so thought it would be the time to do the ota, didn't know about the bootloader change so found I was on emui 9, tried to install twrp but that bricked the phone. So I tried to do the system restore via erecovery again, but that didn't work.
After that tried every possible way (inc. paying funkyhw etc.) to recovery the phone, no way. If you try to downgrade it to a version before 146 it will hardbrick leaving you with a paperweigth.
So if I were you, I wouldn't touch a thing. I gave up and am waiting for my Oneplus 6, much better phone for this stuff.
mirandam said:
Nope, you won't. Any version from 8.0.0.146 and above will contain the new bootloader which won't let you unlock it or install twrp, magisk or whatever, most probably you will brick your phone like I did.
You'll be a lot safer to stay on what you're on. Huawei did a nifty development to make life miserable to anyone which likes to customize their phone. Maybe they should be called Huapple from now on...
I was in a similar situation as you, 141 if I remember correctly. Installed Xposed via magisk, got a bootloop, did a system restore via erecovery, got it working again and lost magisk/root so thought it would be the time to do the ota, didn't know about the bootloader change so found I was on emui 9, tried to install twrp but that bricked the phone. So I tried to do the system restore via erecovery again, but that didn't work.
After that tried every possible way (inc. paying funkyhw etc.) to recovery the phone, no way. If you try to downgrade it to a version before 146 it will hardbrick leaving you with a paperweigth.
So if I were you, I wouldn't touch a thing. I gave up and am waiting for my Oneplus 6, much better phone for this stuff.
Click to expand...
Click to collapse
Thank you for the info! And what about staying on my current bootloader and flash a custom ROM on my already installed TWRP?
93starletgt said:
Thank you for the info! And what about staying on my current bootloader and flash a custom ROM on my already installed TWRP?
Click to expand...
Click to collapse
There is a ResurectionRemix rom that can be used for that. Just search for RR-O-v6.0.0-20180402-bkl-OpenKirin.zip it should work as this one's flashable by twrp. I haven't tried it so can't tell if it does. I have the file but I don't know if it's complete as it only contains system.img which seems strange as normally there would also be a boot.img or at least a kernel.img
mirandam said:
There is a ResurectionRemix rom that can be used for that. Just search for RR-O-v6.0.0-20180402-bkl-OpenKirin.zip it should work as this one's flashable by twrp. I haven't tried it so can't tell if it does. I have the file but I don't know if it's complete as it only contains system.img which seems strange as normally there would also be a boot.img or at least a kernel.img
Click to expand...
Click to collapse
Thanks! Last question. If I would like to go back to stock using the All In One Tool, how can I flash stock recovery? And where can I find it? Many thanks for your help.
are there custom roms for the huawei mate 10 pro??
cause cant find it on xda.
mine is stock it works but the no status bar pull down on lockscreen is anoying ;( sometimes and that only the stock sms app show on the always screen on...

Reverting to Android 8.0 from 9.0 with SM-J737R4

Hello, everyone. Im pretty new to all of this stuff so please bear with me. I was trying to root an old phone and as I learned more and more about rooting processes (wanting to use majisk) I realised the particular phone (SM-J737R4) is a crackhead and not a lot of stuff is available for it. Anyways I saw that someone with the same model was able to do it using this thread even though it's for a different model. But to use this guide I needed to have android 8.0 and when I got the phone it already had 9.0. I knew downgrading via Odin was possible on samsungs but when I tried googling the Stock firmware the baseband version for the 8.0 downloads were always different. Current Baseband: J737R4TYS8BTE1. And apparently trying to flash a stock firmware that doesnt exactly match your device bricks your phone, so I'm kinda confused on what to do next. And I may be confused on other things as well. Hopefully someone can help.
Tl;Dr: Trying to flash back to 8.0 from 9.0 on SM-J737R4 but stock firmware downloads dont match device.
Any Samsung device what comes with unlocked boot-loader - or whose boot-loader can get unlocked - can easily get rooted. Rooting a phone's Android doesn't depend on Android version.
jwoegerbauer said:
Any Samsung device what comes with unlocked boot-loader - or whose boot-loader can get unlocked - can easily get rooted. Rooting a phone's Android doesn't depend on Android version.
Click to expand...
Click to collapse
yeah but when I was trying to root with majisk the flash failed and when I looked up a TWRP one didnt exist for this model. The forum was a twrp for my model, but it was made for 8.0.
danalexcoro said:
yeah but when I was trying to root with majisk the flash failed and when I looked up a TWRP one didnt exist for this model. The forum was a twrp for my model, but it was made for 8.0.
Click to expand...
Click to collapse
TWRP is a Custom Recovery used to flash a Custom ROM. Installing TWRP prevents Android to receive OTA updates.
You don't need TWRP, but only the "Magisk Manager" app to root phone's Android.. And, of course phone's boot-loader must got unlocked before.
By means of "Magisk Manager" you create a patched boot.img what you then flash via "ODIN" what requires you have installed latest Samsung USB drivers on Windows computer.
Important: The "patched_boot.img" comes in .ZIP-file format. You have to convert it into .TAR-file format using Windows app "7ZIP" before you can use it with "ODIN".
Load .TAR-file into ODIN's AP-section, flash it.

How To Guide Downgrade US OEM (DE2117) Android 12 firmware to Android 11 BEFORE installing Lineage!

Lineage installation on N200 REQUIRES that you are running Android 11 or phone will soft loop after installing the Lineage boot.img
If you are updated to Android 12 firmware and want to install Lineage, you MUST downgrade first to:
DE2117 OEM Android 11 FINAL OTA
WARNING: This WILL erase all user data.
1. Place the firmware .zip file in the user root of internal phone storage.
2. Sideload OnePlus firmware Downgrade Tool on phone and use tool to flash the Android 11 firmware.
There is an Emergency Firmware install tool that OnePlus posted to the OP forum that does NOT check root status when the need to downgrade back to A11 was first acknowledged due to modem issue with first A12 OTA release.
This file was removed in a few days when they posted the official Downgrade tool replaced it.
I have used this tool to upgrade DE2117 C_16 to DE2117 C_17 while rooted and the built in upgrade tool failed at 37%.
Nice, first thanks for the hard work you're putting in. Second, is there an advantage to converting first to DE2117 then installing lineage as opposed to just installing lineage from DE2118 that you know of? I know in the other post you answered my other question stating that the Lineage will install on either so I wasn't sure if I'd get any benefit from starting over and converting my DE2118. TIA
Link575 said:
Nice, first thanks for the hard work you're putting in. Second, is there an advantage to converting first to DE2117 then installing lineage as opposed to just installing lineage from DE2118 that you know of? I know in the other post you answered my other question stating that the Lineage will install on either so I wasn't sure if I'd get any benefit from starting over and converting my DE2118. TIA
Click to expand...
Click to collapse
Lineage is using own kernel and boot.img on A11 so in the short run it is not going too make any difference, but when Lineage moves forward to A12 the OEM Firmware has newer drivers and is updated sooner, has more OEM features and bugfixes as well as no carrier bloatware.
It is possible that OP will neuter the Carrier firmware with an OTA update to prevent cross flashing device away from the Carrier rom in the next OTA update by preventing fastbootd from flashing the us oem from a carrier phone.
They have already removed fastboot boot command to boot a boot image without flashing it for test before you flash and to allow Magisk to make a backup of the original boot.img before adding Magisk.
I would convert NOW, before they decide to slam the door on this ability with a future OTA that will not allow you to downgrade and prevent this as they are under contract with the carriers to not allow this to be done.
Ok, thank you for the explanation. Guess I'll back everything up and convert it.
scanman0 said:
Lineage installation on N200 REQUIRES that you are running Android 11 or phone will soft loop after installing the Lineage boot.img
If you are updated to Android 12 firmware and want to install Lineage, you MUST downgrade first to:
DE2117 OEM Android 11 FINAL OTA
WARNING: This WILL erase all user data.
1. Place the firmware .zip file in the user root of internal phone storage.
2. Sideload OnePlus firmware Downgrade Tool on phone and use tool to flash the Android 11 firmware.
There is an Emergency Firmware install tool that OnePlus posted to the OP forum that does NOT check root status when the need to downgrade back to A11 was first acknowledged due to modem issue with first A12 OTA release.
This file was removed in a few days when they posted the official Downgrade tool replaced it.
I have used this tool to upgrade DE2117 C_16 to DE2117 C_17 while rooted and the built in upgrade tool failed at 37%.
Click to expand...
Click to collapse
This worked perfectly after following your convert guide and upgrading to 12. Downgraded back to 11 so I could install lineageOS. Thanks again!
This reddit post has a link to an English version of the downgrade apk which makes it a little easier.
keeps saying verification failed
weirdfate said:
keeps saying verification failed
Click to expand...
Click to collapse
Did you remove root (Restore boot.img) and then factory reset?
You will loose all data doing this anyway.
I m trying as well .. but stuck with verification failed message just as scanman0 I m on stock android12 no root if anyone know how to fix it ... please assit
I just downgraded. Make sure you remove root via magisk. Then proceed to rollback to Android 11. Everything worked fine. I'll install lineage tonight when I get home.
radekmazur said:
I just downgraded. Make sure you remove root via magisk. Then proceed to rollback to Android 11. Everything worked fine. I'll install lineage tonight when I get home.
Click to expand...
Click to collapse
I did not have to remove root. I used the version posted that does not check for root but maybe there's a different reason.
Does the downgrade apk have to be sideloaded via ADB?
T3CHN0T33N said:
Does the downgrade apk have to be sideloaded via ADB?
Click to expand...
Click to collapse
Just place apk in phones working directory, same path where your downloads folder is. Then install from there like any other apk and run. I also kept the FW file in the same directory but I'm not sure if that was necessary.
So, just to confirm, I press "local install" and select the firmware zip and it closes? Is the tool supposed to do anything else or am I good to flash LineageOS?
T3CHN0T33N said:
So, just to confirm, I press "local install" and select the firmware zip and it closes? Is the tool supposed to do anything else or am I good to flash LineageOS?
Click to expand...
Click to collapse
Ummm if I remember correctly hit local install and then it will prompt to point towards which FW to use. After you hit it, it will go back to the previous screen, I think verify and unpack it, then install it. Mine did appear like it was doing nothing after picking the FW and so I picked again which screwed things up so just wait after picking, it should start.
After its done it will give a message saying to restart phone I think for it to take effect, then after you restart it should ask to wipe phone, then restart again and you'd be in A11 presumably. Once in A11 your good to follow the normal procedure to install Lineage. This is all from memory though so I MAY have missed something but I don't think I did.
Link575 said:
Ummm if I remember correctly hit local install and then it will prompt to point towards which FW to use. After you hit it, it will go back to the previous screen, I think verify and unpack it, then install it. Mine did appear like it was doing nothing after picking the FW and so I picked again which screwed things up so just wait after picking, it should start.
After its done it will give a message saying to restart phone I think for it to take effect, then after you restart it should ask to wipe phone, then restart again and you'd be in A11 presumably. Once in A11 your good to follow the normal procedure to install Lineage. This is all from memory though so I MAY have missed something but I don't think I did.
Click to expand...
Click to collapse
When you say "screwed things up" what do you mean? How did it effect the install?
T3CHN0T33N said:
When you say "screwed things up" what do you mean? How did it effect the install?
Click to expand...
Click to collapse
Nothing major, caused the UI to glitch out and made it seem like the process was stuck at 81% but when I closed the app and tried to do it again it jumped to 100 and said to restart the device.
I've downgraded a second time (I'm very indecisive on which OS I want to use) and that one went as expected since I knew to give it a second to start doing its thing.
Link575 said:
Nothing major, caused the UI to glitch out and made it seem like the process was stuck at 81% but when I closed the app and tried to do it again it jumped to 100 and said to restart the device.
I've downgraded a second time (I'm very indecisive on which OS I want to use) and that one went as expected since I knew to give it a second to start doing its thing.
Click to expand...
Click to collapse
Weird, for me it just closes the app and does nothing, both the official and emergency ones. I even tried adding it to magisk's deny-list.
But I just restored the boot image via magisk (didn't restart) and it works now...
scanman0 said:
Did you remove root (Restore boot.img) and then factory reset?
You will loose all data doing this anyway.
Click to expand...
Click to collapse
Yes I factory restored the phone and tried again. Still fails every time
Has anybody had any luck figuring out the verification failed message? I too have tried both the official and emergency apps, of course I can't read the actual message in what I presume is Chinese, but it doesn't do anything and the other version says verification failed. Have not rooted. Kind of at a loss right now and all I want to do is install Lineage! I've already got my unlock token from OnePlus, but my understanding is that the phone still needs to be on A11 before installling Lineage.

How To Guide Update to A13 C08 from any export version device (Root Only)

I write this post since I've seen a lot of people is asking how to upgrade their devices to android 13. If you don't want to wait here, you have a way.
The only official version available so far is for Indian region which has a nv_id = 00011011, since this is the only checkmark software update uses to validate
OTA local install we just need to change the value of this prop. We can so this way:
1. First delete all your modules and keep installed only MagiskHidePropsConf
2. Using a terminal emulator like termux type su and click enter, then type props ro.build.oplus_nv_id 00011011 click enter and follow the short procedure until reboot
3. After reboot you can download the full OTA: https://gauss-componentotacostmanua...22/10/24/4ccc3d3cb837437ea787baaac853fc4d.zip and perform a local installation without getting the verificacation faild message (keep installed the module magiskhide during all the upgrade process)
Note: This will change your region after the update, if you want to keep your device rooted and don't know how to, you can look in other threads of this forums.
If you don't want to change your region, I posted the URLs for other regions here: https://forum.xda-developers.com/t/global-eu-collection-of-firmware-files.4478153/post-87640469
Use this method to downgrade from A13 RU to A12 India roll back package.
Will it work for switching from RMX3300 to RMX 3301 also?
I am on china A13 official with locked bootloader, is there any way to go to India version? I'm trying to find a roolback for China A12 but couldn't find it
shivrajsingh said:
Use this method to downgrade from A13 RU to A12 India roll back package.
Will it work for switching from RMX3300 to RMX 3301 also?
Click to expand...
Click to collapse
you were able to change the region with rolback package?
luki2411 said:
you were able to change the region with rolback package?
Click to expand...
Click to collapse
You can change region. but not from RMX 3300 to 3301 i.e. china to export. Other region interchange work fine. Use full ota only
dick_vigarista said:
I am on china A13 official with locked bootloader, is there any way to go to India version? I'm trying to find a roolback for China A12 but couldn't find it
Click to expand...
Click to collapse
There is none for now. Only MSM download tool can get you back to A12 where you unlock boot loader and change region. With MSM tool, you can directly flash root export Rom as well.
Dont try to roll back from A13 to A12 through fastboot. Mine got bricked
shivrajsingh said:
There is none for now. Only MSM download tool can get you back to A12 where you unlock boot loader and change region. With MSM tool, you can directly flash root export Rom as well.
Dont try to roll back from A13 to A12 through fastboot. Mine got bricked
Click to expand...
Click to collapse
but where to get the working msm tool?
luki2411 said:
but where to get the working msm tool?
Click to expand...
Click to collapse
Well I guess you don't, you pay some random guy to do remotely since you need OPPO credentials.
shivrajsingh said:
There is none for now. Only MSM download tool can get you back to A12 where you unlock boot loader and change region. With MSM tool, you can directly flash root export Rom as well.
Dont try to roll back from A13 to A12 through fastboot. Mine got bricked
Click to expand...
Click to collapse
I found out a way of doing it and made a Guide here for anyone interested:
Fastest and easiest way to transform your 3300 (Chinese) on 3301 (Global)
I AM NOT RESPONSIBLE FOR ANY BRICKS, DO AT YOUR OWN RISK. I TRIED AND WORKED FOR ME. THIS WILL ERASE ALL DATA FROM YOUR DEVICE. THIS IS FOR STOCK CHINESE ONLY, I DID NOT TRY IT ON UNLOCKED BOOTLOADER DEVICES, ROOTED DEVICES, OR ANY OTHER...
forum.xda-developers.com
vanya.ag said:
I write this post since I've seen a lot of people is asking how to upgrade their devices to android 13. If you don't want to wait here, you have a way.
The only official version available so far is for Indian region which has a nv_id = 00011011, since this is the only checkmark software update uses to validate
OTA local install we just need to change the value of this prop. We can so this way:
1. First delete all your modules and keep installed only MagiskHidePropsConf
2. Using a terminal emulator like termux type su and click enter, then type props ro.build.oplus_nv_id 00011011 click enter and follow the short procedure until reboot
3. After reboot you can download the full OTA: https://gauss-componentotacostmanua...22/10/24/4ccc3d3cb837437ea787baaac853fc4d.zip and perform a local installation without getting the verificacation faild message (keep installed the module magiskhide during all the upgrade process)
Note: This will change your region after the update, if you want to keep your device rooted and don't know how to, you can look in other threads of this forums.
Click to expand...
Click to collapse
I do all and I get message "invalid option"

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