My Huawei Mate SE is bricked after installing zip in TWRP - Android Q&A, Help & Troubleshooting

I just bought a Huawei Mate SE which is a newer phone that looks like the Honor 7x. I've noticed whenever I search for Huawei Mate Se custom roms, recoveries, and even stock roms I only find Mate 9 stuff and find my self desperate with no support of root, and anything else. I found an article called "How to : Huawei Mate SE Root & TWRP Recovery" , and I successfully unlocked the bootloader, and I successfully installed twrp. The text on the bottom I didn't see which said to install the dm-verity thing. I ran into the problem where there were all these folders were displaying weird text in the main partitions, so instead of installing the version they told me, which was the no-verity-opt-encrypt-4.1.zip, I installed the latest which was the no-verity-opt-encrypt-6.0.zip version, which soft bricked. So I thought I could fix this by installing a custom ROM. But there were none, so I tried to install cm13 honor 7x rom and It didn't work. I tried installing the correct version after the rom. So even now if I tried to revert the old boot img it still wouldn't work because of the rom. However, since my bootloader is unlocked there is definitely a way I can fix all this. But the problem is their is not any Huawei Mate SE roms anywhere. I need a stock rom for my phone (possisbly a custom rom), or some fix. I can access my recovery, and the bootloader, but not anything else. My model is the BND-L34, pls help.

I did the same thing. Got it working
Put this in twrp back up folder on external SD card. Restored both files then factory reset in twrp. It worked for me every thing works. unzipped with Windows pc
Can't post links. Post [EMUI 5.1] OTA Firmwares and Unbrick Phone method. In Huawei 7x thread post#139 by AlexxC might be easter to search his posts. I have mate se in us on tmo/MetroPCS I flashed the correct 4.1 and still got soft brick. That article cost me couple hours. rooted with honor 7x method. Guess it really is the same phone with extra gig of ram. To AlexxC thanks, you the man

bradass402 said:
Put this in twrp back up folder on external SD card. Restored both files then factory reset in twrp. It worked for me every thing works. unzipped with Windows pc
Can't post links. Post [EMUI 5.1] OTA Firmwares and Unbrick Phone method. In Huawei 7x thread post#139 by AlexxC might be easter to search his posts. I have mate se in us on tmo/MetroPCS I flashed the correct 4.1 and still got soft brick. That article cost me couple hours. rooted with honor 7x method. Guess it really is the same phone with extra gig of ram. To AlexxC thanks, you the man
Click to expand...
Click to collapse
I tried the manual method of unbricking with multi touch and the phone booted, but it is a black screen, and I only see the home, back and tabs buttons. So after i figured out to use the backup that you sent me and it still wouldn't boot.

Are you getting errors in twrp restore you have to mount the partitions that your restoring boot system data etc

bradass402 said:
Are you getting errors in twrp restore you have to mount the partitions that your restoring boot system data etc
Click to expand...
Click to collapse
i did what you said in the pm, and got the cust.img flashed, but now it bootloops to the recovery

tomjfmu said:
i did what you said in the pm, and got the cust.img flashed, but now it bootloops to the recovery
Click to expand...
Click to collapse
Why dont you boot into huawei eRecovery? It downloads the firmware and recovery and recovers your phone.

Related

Flashed wrong rom - How screwed am I?

Here is what went down--
I installed TWRP - the official one, everything up to this step went great. Then I flashed a rom for Huawei Ascend Mate 1, not 2, by mistake.
Don't flame me for this plz, I feel bad enough already. Anyways, the phone is now stuck in a boot loop and there is no way for me to open up TWRP anymore. Is there any way I can salvage this phone yet?
Maybe try to fast boot and flash a stock .img. I think volume down +power is for fastboot, it is opposite volume+power for recovery.
Don't give up yet
Misleadingg said:
Here is what went down--
I installed TWRP - the official one, everything up to this step went great. Then I flashed a rom for Huawei Ascend Mate 1, not 2, by mistake.
Don't flame me for this plz, I feel bad enough already. Anyways, the phone is now stuck in a boot loop and there is no way for me to open up TWRP anymore. Is there any way I can salvage this phone yet?
Click to expand...
Click to collapse
Hi there,
Try to Fastboot and install TWRP recovery img again . When in TWRP wipe EVERYTHING but ext-sd!
After that (as I learned from experience) all is possible.
Here is what I had to do with my MT2-L05:
Installed original recovery.img via Fastboot,
auto updated (already had b607 update files in ext sd),
reinstalled TWRP via Fastboot and after asking me if I wanted to, twrp installed su for me!
Back in the game with b607 - rooted!
Had a problem with busybox because system was still locked,
installed in xbin with Stericson.zip via twrp and that did it.
Hope that's helping!

TWRP not installing/Stuck on Stock Recovery after a Revert to Stock

Hello,
I've unlocked my bootloader and subsequently had installed TWRP (months ago).
Not long after, I decided to go back to stock for a while, and went back to CM a month ago.
However, I realized back then that I was loading into stock recovery even after taking the steps to install TWRP (http://forum.xda-developers.com/honor-5x/development/root-kiw-l24-usa-kiwi-t3305190)
During these steps, there were no errors (fastboot/adb logs show all things were done successfully).
However, some funky quirk (that I don't remember) got me loaded with TWRP once, which gave me the window to install CM (I remember it involving having to be connected to the PC).
Now I'm trying to install a new CM build, but I can't get it loading TWRP.
I've downloaded the TWRP Manager App, which tells me that I have TWRP 3.0.0.0, but when I reboot to recovery, I am given the stock EMUI recovery.
Does anyone know what is happening in this case? Has anyone experienced a similar issue?
Thank you!
undesputed said:
Hello,
I've unlocked my bootloader and subsequently had installed TWRP (months ago).
Not long after, I decided to go back to stock for a while, and went back to CM a month ago.
However, I realized back then that I was loading into stock recovery even after taking the steps to install TWRP (http://forum.xda-developers.com/honor-5x/development/root-kiw-l24-usa-kiwi-t3305190)
During these steps, there were no errors (fastboot/adb logs show all things were done successfully).
However, some funky quirk (that I don't remember) got me loaded with TWRP once, which gave me the window to install CM (I remember it involving having to be connected to the PC).
Now I'm trying to install a new CM build, but I can't get it loading TWRP.
I've downloaded the TWRP Manager App, which tells me that I have TWRP 3.0.0.0, but when I reboot to recovery, I am given the stock EMUI recovery.
Does anyone know what is happening in this case? Has anyone experienced a similar issue?
Thank you!
Click to expand...
Click to collapse
Reinstallt it try this TWRP http://www.mediafire.com/download/15g5i63gke9ddgp/kiwi_twrp_3-21_recovery.img its version 3.0.2.0 (Most recent)
The most recent is 5-14 (also based on v3.0.2.0 ).
TWRP 5.14
3-21 was built on March 21, and 5-14 on May 14.
mooms said:
The most recent is 5-14 (also based on v3.0.2.0 ).
TWRP 5.14
3-21 was built on March 21, and 5-14 on May 14.
Click to expand...
Click to collapse
Just for the record I'm using a even newer one than the 5-14 posted above
@yuweng posted a version of 3.0.2.0 that will make images of many partitions on the phone that even 5-14 ignores
you can download it here >> https://www.androidfilehost.com/?fid=24588212152305793
please note it was discovered early on that you cannot share the oeminfo partition on the phone, it's locked to your device and can / will brick a phone it's not from. just be careful what you restore with such a powerful version of TWRP.
@undesputed
I have seen this before where flashing TWRP does not seem to stick.
boot to the bootloader and see if frp is unlocked ... if not you need to
boot to your OS and remove your google account from the device
reboot to the bootloader and attempt the flash again. if it still fails to stick you can always just use
fastboot boot twrp.img and it will work just fine... just not installed
Arobase40 said:
Do you mean 3.0.2.0 is newer and supports more partitions than 5-14 ???
Click to expand...
Click to collapse
Their both 3.0.2.0 the one I just posted has more features
Sent from my SM-N920T using Tapatalk
clsA said:
Just for the record I'm using a even newer one than the 5-14 posted above
@yuweng posted a version of 3.0.2.0 that will make images of many partitions on the phone that even 5-14 ignores
you can download it here >> https://www.androidfilehost.com/?fid=24588212152305793
please note it was discovered early on that you cannot share the oeminfo partition on the phone, it's locked to your device and can / will brick a phone it's not from. just be careful what you restore with such a powerful version of TWRP.
@undesputed
I have seen this before where flashing TWRP does not seem to stick.
boot to the bootloader and see if frp is unlocked ... if not you need to
boot to your OS and remove your google account from the device
reboot to the bootloader and attempt the flash again. if it still fails to stick you can always just use
fastboot boot twrp.img and it will work just fine... just not installed
Click to expand...
Click to collapse
@clsA
frp is labeled as "UNLOCK" as oppsed to bootloader labeled as "UNLOCKED".
If it's just about removing my google account, will this be resolved the next time I do a factory reset?
Nevertheless, thank you so much for the command fastboot boot twrp.img, I realized that that was what I had used the last time.
I'm currently able to boot into TWRP this way. Awesome!
@clsA
Thanks for the link & infos.
Can you tell which features are added in this new TWRP ? name of the partitions ?
Thanks.
mooms said:
@clsA
Thanks for the link & infos.
Can you tell which features are added in this new TWRP ? name of the partitions ?
Thanks.
Click to expand...
Click to collapse
it would be much easier to just install it and test it for yourself
I did find a bug it would not backup to my OTG stick
clsA said:
it would be much easier to just install it and test it for yourself
I did find a bug it would not backup to my OTG stick
Click to expand...
Click to collapse
I don't use all the features, so i will maybe miss the changes.
Never used OTG to made a backup (I use ext_SD), I don't know if it works with other builds of TWRP.
mooms said:
I don't use all the features, so i will maybe miss the changes.
Never used OTG to made a backup (I use ext_SD), I don't know if it works with other builds of TWRP.
Click to expand...
Click to collapse
USB-OTG works flawlessly on the 5-14 version I was not able to use it with the newer one @yuweng posted in his guide
the screen shots show all the partitions it's able to work with
Arobase40 said:
I thought 3.0.2.0 was just an interim version between twrp_2-27 and twrp_5-14... ^^
Click to expand...
Click to collapse
your confusing TWRP versions with TWRP release dates
2-27 and 5-14 are release dates where as 3.0.2.0 is the version of TWRP not the date
the first version of TWRP for this device was actually 2.8.7.0 and was released on 2-16-2016
Same issue
Hey so I have the same exact issue umm did you ever resolve this problem becuSe I can't seem to crack it and it's a bit frustrating cuz by no means am I a pro but coming from using the OnePlus one the OnePlus 2 the OnePlus x and the Nexus 6 rooting them and restoring them after many failed attempts resulting in bricking my phone and even eventually unbrick them I do know a thing or two and I am stumped please help you are the only other person in this world other then my self that seems to be having this issue if you don't mind would you be so kind and email gmail me cuz I don't use or check this forum often thanks millerfamily805
clsA said:
Just for the record I'm using a even newer one than the 5-14 posted above
@yuweng posted a version of 3.0.2.0 that will make images of many partitions on the phone that even 5-14 ignores
you can download it here >> https://www.androidfilehost.com/?fid=24588212152305793
please note it was discovered early on that you cannot share the oeminfo partition on the phone, it's locked to your device and can / will brick a phone it's not from. just be careful what you restore with such a powerful version of TWRP.
@undesputed
I have seen this before where flashing TWRP does not seem to stick.
boot to the bootloader and see if frp is unlocked ... if not you need to
boot to your OS and remove your google account from the device
reboot to the bootloader and attempt the flash again. if it still fails to stick you can always just use
fastboot boot twrp.img and it will work just fine... just not installed
Click to expand...
Click to collapse
Can it be used with other honor devices?
Got my answer... Thanks...
Sent from my PLK-L01 using XDA Labs
It depend on the device

[GUIDE][Experience] HOW TO unlock, flash TWRP and root your Huawei Mate 9 Pro (LON)

This thread applies to Huawei Mate 9 Pro only (model LON*, as M9Pro below). For Mate 9 (model MAH*) please go to the corresponding forum.
-----
Disclaimer:
I won't be responsible for bricked phone. Proceed with your own risk, make sure you know what you are doing.
This thread can be seen as a guide if your phone has exactly the same model and build version as mine. Otherwise please consider it as a description of my experiences for unlocking, flashing and rooting the phone.
SUPPORTED DEVICES:
LON-L29
LON-AL00
-----
As a start, this phone is great and I feel that it doesn’t need to be unlocked and rooted for a stable and long lasting daily use. However, unlock and root is almost a religion if you use Android phones
As a piece of info, big thanks to @raimondomartire, there is a thread for unlock, flash TWRP and root in the Mate 9 forum https://forum.xda-developers.com/mate-9/development/recovery-huawei-mate-9-pro-unofficial-t3546976, which is however according to my experience not totally applicable for the M9Pro anymore. There are also several other threads on the Mate 9 forum. Many things can be shared between both phones, but not always. Be careful about what you are doing!
-----
General info and attentions:
- My phone is M9Pro LON-AL00 (All net version from Chinese Mainland); LON-L29 (International version) should also work.
- This thread applies for build LON-AL00C00B213. Can be also applicable for similar builds, but I couldn’t test. Please report.
- None of the current builds of TWRP (up to 3.1.0) can decrypt data partition by default, which means you could only format the data partition in TWRP in order to access it in recovery (for backup to and install from internal storage etc.). But after formatting, you have to flash Huawei’s special stock data back to data partition (/data/hw_init), otherwise several functions of Huawei ROM won’t work. Refer to this (https://forum.xda-developers.com/showpost.php?p=71302827&postcount=627) or this (https://forum.xda-developers.com/showpost.php?p=72497328&postcount=204). Thanks to @gm007 and @ante0
- There are several root methods which handles encrypted or decrypted data partition. I didn’t format the data partition, i.e. data is still encrypted. If you want to format the data partition, please refer to this thread: https://forum.xda-developers.com/mate-9/how-to/guide-how-to-root-mate-9-decrypt-data-t3569986. Thanks to @eddmecha
- If you need stock ROM, refer to useful links below. Use Huawei Update Extractor to extract the individual partitions from the ROM: https://forum.xda-developers.com/showthread.php?t=2433454
-----
Unlock bootloader:
There is enough info in the internet about unlocking M9Pro’s bootloader. Just a few points to mention:
- Generally, you can follow the steps in @raimondomartire thread (https://forum.xda-developers.com/mate-9/development/recovery-huawei-mate-9-pro-unofficial-t3546976). But unlike he describes in his thread, there is no OEM Unlock options in the developer options anymore. Just use ADB to unlock.
- FRP unlock is not required!
- Huawei enables now a 14-day limitation, where you can officially get the bootloader unlock code 14 days after you first activate your Huawei ID on your phone and have logged in using your Huawei ID 14 CONSECUTIVE days.
- To go around this limitation, you can use dc-unlocker to get the bootloader code immediately. Google yourself
-----
Flash TWRP:
- Still, you can follow the steps in @raimondomartire thread (https://forum.xda-developers.com/mate-9/development/recovery-huawei-mate-9-pro-unofficial-t3546976).
- The image from this thread is 3.0.3, which has some bugs built in, especially when flashing SuperSU.
- You could use TWRP 3.1.0-1 from https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617, but this one seems to have problem to be recognized as ADB device in recovery.
- There is a version 3.0.2 for Mate 9, which seems to have problem mounting USB-OTG.
- If your data partition is encrypted, you can only use ADB sideload or USB-OTG to install anything.
- If you want to do data wipe in TWRP, you have to flash Huawei’s special stock data back to data partition. See above general info and attentions.
-----
Root:
Firstly, thanks to @ante0 for explaining different flags in the root methods: https://forum.xda-developers.com/showpost.php?p=72504501&postcount=210. Some more discussions between us are also around this post.
I also tried several other root tools on the market (mobilego, vroot, YoRoot, OneClickRoot, iRoot etc.), NONE of them works.
As mentioned, there are different root methods around for unlocking M9Pro, depending on if you want to format your data partition. For me, I didn’t format, and SuperSU works for me. And the mate_9_pro_root.zip from @raimondomartire thread didn’t work for me.
I followed the steps below:
1. Get TWRP 3.1.0-1 (https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617)
2. Disable fingerprint ID (I think it’s probably optional, but have read somewhere that fingerprint stops working after flashing root).
3. Flash stock boot image for B213D (in download section). I think it’s optional too, but if you have tried other methods before, you can do this step to make sure your boot is stock and clean
4. Flash TWRP 3.1.0-1
5. Flash SuperSU-v2.79-MATE9-init.d_support_no_decrypt-signed.zip (in download section) via USB-OTG (in TWRP the device is not recognized as an ADB device, hence no “ADB sideload”). Thanks to @ante0 for building this zip!
6. Reboot – phone will reboot itself twice and SuperSU.apk will be installed automatically
7. You could flash back to 3.0.3, if you want the ADB sideload function.
-----
Download:
- TWRP 3.0.3-1: https://forum.xda-developers.com/mate-9/development/recovery-huawei-mate-9-pro-unofficial-t3546976
- TWRP 3.1.0-1: https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617
- SuperSU modified for M9Pro (thanks to @ante0): https://mega.nz/#!bR8D2Bab!bIgMLVmoll9R0GFqoFgkLxULrXlQ2710INt3TNbuI0c
- Boot image from B213D: https://mega.nz/#!LFlGTTZY!AaFq-_quM44YlK_Qdh9PgOjBE3Wtepmyz5OAuo_mabw
-----
Useful links:
- Stock firmware: http://hwmt.ru/oth/HWFF/info/view.php?find_model=lon
- Huawei Update (ROM) Extractor: https://forum.xda-developers.com/showthread.php?t=2433454
Enjoy your Mate!
Just some clarification: (eventhough you wrote it's for AL00C00B213, which I missed xD)
Flashing stock boot is only needed if you're already rooted.
Boot image B213D is only for AL00C00. If you have a different model/build, use the boot image for that specific build:
Download your stock firmware from hwmt.ru and Huawei Update Extractor. Extract update.app from your firmware zip.
Open update.app in Huawei Update Extractor. Rightclick on BOOT and click on Extract selected.
Flash the extracted boot.img using fastboot in download mode (fastboot flash boot boot.img).
OEM Unlocking is required to be enabled. It's just not there in the chinese version (AL00). So check if it's there first and enable if it is.
Hi guys. Not sure if this is the right place to ask but how do I get rid of that annoying "your device is unlocked and can't be trusted....etc " msg?
I have a mate 9 pro and I want to flash twrp and to root it. I did it for some one plus, xiaomi, samsung so I have some experience. reading xda posts about the case of M9pro I understood that is not a simple path and I dont want to hard brick the phone. what precautions should I take?
attached phone config
thank you in advance
ante0 said:
Just some clarification: (eventhough you wrote it's for AL00C00B213, which I missed xD)
Flashing stock boot is only needed if you're already rooted.
Boot image B213D is only for AL00C00. If you have a different model/build, use the boot image for that specific build:
Download your stock firmware from hwmt.ru and Huawei Update Extractor. Extract update.app from your firmware zip.
Open update.app in Huawei Update Extractor. Rightclick on BOOT and click on Extract selected.
Flash the extracted boot.img using fastboot in download mode (fastboot flash boot boot.img).
OEM Unlocking is required to be enabled. It's just not there in the chinese version (AL00). So check if it's there first and enable if it is.
Click to expand...
Click to collapse
hwmt. ru is unavailable
mcn1970 said:
hwmt. ru is unavailable
Click to expand...
Click to collapse
http://hwmt.ru/hwmtsite/firmware-database/
working fine for me.
Edit: I should probably have posted the full link in my previous post. Sorry.
ante0 said:
http://hwmt.ru/hwmtsite/firmware-database/
working fine for me.
Edit: I should probably have posted the full link in my previous post. Sorry.
Click to expand...
Click to collapse
is it all procedures safe? no risk of hard brick?
ante0 said:
Just some clarification: (eventhough you wrote it's for AL00C00B213, which I missed xD)
Flashing stock boot is only needed if you're already rooted.
Boot image B213D is only for AL00C00. If you have a different model/build, use the boot image for that specific build:
Download your stock firmware from hwmt.ru and Huawei Update Extractor. Extract update.app from your firmware zip.
Open update.app in Huawei Update Extractor. Rightclick on BOOT and click on Extract selected.
Flash the extracted boot.img using fastboot in download mode (fastboot flash boot boot.img).
OEM Unlocking is required to be enabled. It's just not there in the chinese version (AL00). So check if it's there first and enable if it is.
Click to expand...
Click to collapse
i unlocked the bootloader and flashed recovery but my OTG stick is not recognized and cannot be mounted. also while in recovery the phone is not seen on PC.
i tried with both recoveries above.
ADB sideload doesnt work...keeps saying starting ADB sideloading features...in TWRP sdcard content is a bunch of files with weird names...
therefore how can I root the phone?
someone please help me!!
mcn1970 said:
i unlocked the bootloader and flashed recovery but my OTG stick is not recognized and cannot be mounted. also while in recovery the phone is not seen on PC.
i tried with both recoveries above.
ADB sideload doesnt work...keeps saying starting ADB sideloading features...in TWRP sdcard content is a bunch of files with weird names...
therefore how can I root the phone?
someone please help me!!
Click to expand...
Click to collapse
edit: solved it
any OTA after?
hi guys. You may or may not find this interesting. I certainly did. I'll post this in the mate 9 pro forum as well but i just thought i could get some ideas from as many of guys as possible seeying that theres a lot more posts here for mate 9 in general.
I have chinese version mate 9 pro that has been rebranded from AL00 to LON Spcseas and rooted. Build number b228. Anyway i recently saw in FF the new b229 so i downloaded all three files which had longer file names than usuall by the way. In twrp, the only file that was visable was the update.zip. So i renamed the hw and public zip files to what they would usually be named. Wiped data, and flashed all three files. Then reflashed supersu.
This is the interesting bit ( i think ). My imei numbers have changed, before flashing, the first imei number ended in 7 - now it ends with 4, the second imei number ended in 9 and now it ends with 7. Also, i now have a MEID number visable which was not there before and a section called android security patch level. Oddly enough im not getting any issues out of play store, im on play store right now and not a single problem regarding authentication. The build number is the same as well. As far as functionality goes, everything seems to be tip top, in fact everything seems to be working better, even unofficial exposed is working well. Only one thing isn't working properly. In phone manager there was a feature in the battery section that darkens the interface for everything to save power and prolong battery. That doesn't seem to be working anymore. In App - Permissions, the permissions is greyed out and it says no permissions requested.. Any thoughts or explenations guys??
Trying to flash another orginal stock rom
I bought a Mate 9 Pro, China Version (LON-AL00C00) want to install Mate 9 Pro, Asia Version (LON-L29C636) software on it. All explanations about Mate 9 Pro is for models which have SD Card. My Mate 9 Pro with dual sims and not containing a SD Card enrty.
I succesfully unlocked the bootloader, installed TWRP but couldn't flash LON-L29C636 stock software. Because TWRP don't see update.zip file. Not only update.zip, any files I downloaded or copied before. When I put a OGT TWRP suddenly exits and phone restarts.:crying:
As you see I can't flash a zip file and ofcourse superuser zip file to root as well. I'm stuck in this triangle. Please give me a hand guys.
I can't root my phone. Because I can't view and locate any file of my phone. When I plug a ogt cable twrp exits and phone restarts. 6GB-128GB Dual Sim version
---------- Post added at 11:48 AM ---------- Previous post was at 11:47 AM ----------
Seems I am the only one who is looking for something about Mate 9 Pro
CrisperNeO said:
This thread applies to Huawei Mate 9 Pro only (model LON*, as M9Pro below). For Mate 9 (model MAH*) please go to the corresponding forum.
-----
Disclaimer:
I won't be responsible for bricked phone. Proceed with your own risk, make sure you know what you are doing.
This thread can be seen as a guide if your phone has exactly the same model and build version as mine. Otherwise please consider it as a description of my experiences for unlocking, flashing and rooting the phone.
SUPPORTED DEVICES:
LON-L29
LON-AL00
-----
As a start, this phone is great and I feel that it doesn’t need to be unlocked and rooted for a stable and long lasting daily use. However, unlock and root is almost a religion if you use Android phones
As a piece of info, big thanks to @raimondomartire, there is a thread for unlock, flash TWRP and root in the Mate 9 forum https://forum.xda-developers.com/mate-9/development/recovery-huawei-mate-9-pro-unofficial-t3546976, which is however according to my experience not totally applicable for the M9Pro anymore. There are also several other threads on the Mate 9 forum. Many things can be shared between both phones, but not always. Be careful about what you are doing!
-----
General info and attentions:
-My phone is M9Pro LON-AL00 (All net version from Chinese Mainland); LON-L29 (International version) should also work.
-This thread applies for build LON-AL00C00B213. Can be also applicable for similar builds, but I couldn’t test. Please report.
-None of the current builds of TWRP (up to 3.1.0) can decrypt data partition by default, which means you could only format the data partition in TWRP in order to access it in recovery (for backup to and install from internal storage etc.). But after formatting, you have to flash Huawei’s special stock data back to data partition (/data/hw_init), otherwise several functions of Huawei ROM won’t work. Refer to this (https://forum.xda-developers.com/showpost.php?p=71302827&postcount=627) or this (https://forum.xda-developers.com/showpost.php?p=72497328&postcount=204). Thanks to @gm007 and @ante0
-There are several root methods which handles encrypted or decrypted data partition. I didn’t format the data partition, i.e. data is still encrypted. If you want to format the data partition, please refer to this thread: https://forum.xda-developers.com/mate-9/how-to/guide-how-to-root-mate-9-decrypt-data-t3569986. Thanks to @eddmecha
-If you need stock ROM, refer to useful links below. Use Huawei Update Extractor to extract the individual partitions from the ROM: https://forum.xda-developers.com/showthread.php?t=2433454
-----
Unlock bootloader:
There is enough info in the internet about unlocking M9Pro’s bootloader. Just a few points to mention:
-Generally, you can follow the steps in @raimondomartire thread (https://forum.xda-developers.com/mate-9/development/recovery-huawei-mate-9-pro-unofficial-t3546976). But unlike he describes in his thread, there is no OEM Unlock options in the developer options anymore. Just use ADB to unlock.
-FRP unlock is not required!
-Huawei enables now a 14-day limitation, where you can officially get the bootloader unlock code 14 days after you first activate your Huawei ID on your phone and have logged in using your Huawei ID 14 CONSECUTIVE days.
-To go around this limitation, you can use dc-unlocker to get the bootloader code immediately. Google yourself
-----
Flash TWRP:
-Still, you can follow the steps in @raimondomartire thread (https://forum.xda-developers.com/mate-9/development/recovery-huawei-mate-9-pro-unofficial-t3546976).
-The image from this thread is 3.0.3, which has some bugs built in, especially when flashing SuperSU.
-You could use TWRP 3.1.0-1 from https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617, but this one seems to have problem to be recognized as ADB device in recovery.
-There is a version 3.0.2 for Mate 9, which seems to have problem mounting USB-OTG.
-If your data partition is encrypted, you can only use ADB sideload or USB-OTG to install anything.
-If you want to do data wipe in TWRP, you have to flash Huawei’s special stock data back to data partition. See above general info and attentions.
-----
Root:
Firstly, thanks to @ante0 for explaining different flags in the root methods: https://forum.xda-developers.com/showpost.php?p=72504501&postcount=210. Some more discussions between us are also around this post.
I also tried several other root tools on the market (mobilego, vroot, YoRoot, OneClickRoot, iRoot etc.), NONE of them works.
As mentioned, there are different root methods around for unlocking M9Pro, depending on if you want to format your data partition. For me, I didn’t format, and SuperSU works for me. And the mate_9_pro_root.zip from @raimondomartire thread didn’t work for me.
I followed the steps below:
1.Get TWRP 3.1.0-1 (https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617)
2.Disable fingerprint ID (I think it’s probably optional, but have read somewhere that fingerprint stops working after flashing root).
3.Flash stock boot image for B213D (in download section). I think it’s optional too, but if you have tried other methods before, you can do this step to make sure your boot is stock and clean
4.Flash TWRP 3.1.0-1
5.Flash SuperSU-v2.79-MATE9-init.d_support_no_decrypt-signed.zip (in download section) via USB-OTG (in TWRP the device is not recognized as an ADB device, hence no “ADB sideload”). Thanks to @ante0 for building this zip!
6.Reboot – phone will reboot itself twice and SuperSU.apk will be installed automatically
7.You could flash back to 3.0.3, if you want the ADB sideload function.
-----
Download:
-TWRP 3.0.3-1: https://forum.xda-developers.com/mate-9/development/recovery-huawei-mate-9-pro-unofficial-t3546976
-TWRP 3.1.0-1: https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617
-SuperSU modified for M9Pro (thanks to @ante0): https://mega.nz/#!bR8D2Bab!bIgMLVmoll9R0GFqoFgkLxULrXlQ2710INt3TNbuI0c
-Boot image from B213D: https://mega.nz/#!LFlGTTZY!AaFq-_quM44YlK_Qdh9PgOjBE3Wtepmyz5OAuo_mabw
-----
Useful links:
-Stock firmware: http://hwmt.ru/oth/HWFF/info/view.php?find_model=lon
-Huawei Update (ROM) Extractor: https://forum.xda-developers.com/showthread.php?t=2433454
Enjoy your Mate!
Click to expand...
Click to collapse
I unlocked bootloader but couldn't root. Anyway I wanted to rebrand my phone to Asia version. Now I'm done but not successful because there is no Google,frp locked, and version is test one.
I can't install twrp because frp lock don't allow it. Also twrp can't read 128 GB internal memory, so I needed to install from pc.
Is there anyway to resolve and install stock Oreo version to my Mate 9 Pro or do you suggest me to resolve it via paid services?
PRA-LX1 cihazımdan Tapatalk kullanılarak gönderildi
livevalue said:
I unlocked bootloader but couldn't root. Anyway I wanted to rebrand my phone to Asia version. Now I'm done but not successful because there is no Google,frp locked, and version is test one.
I can't install twrp because frp lock don't allow it. Also twrp can't read 128 GB internal memory, so I needed to install from pc.
Is there anyway to resolve and install stock Oreo version to my Mate 9 Pro or do you suggest me to resolve it via paid services?
PRA-LX1 cihazımdan Tapatalk kullanılarak gönderildi
Click to expand...
Click to collapse
I've installed Oreo to Mate 9 Pro. If you have 128GB edition don't try to install anything from internal storage. That's it.
PRA-LX1 cihazımdan Tapatalk kullanılarak gönderildi
Hi guys, for re-branding there are threads in general Mate 9 forum. I didnt do it and am not planning to do it either...
CrisperNeO said:
Hi guys, for re-branding there are threads in general Mate 9 forum. I didnt do it and am not planning to do it either...
Click to expand...
Click to collapse
Rebranding is easy with HWOTA system if you will keep your phone EMUI 5.0 Nougat. And there is no risk if you make everything clearly.
PRA-LX1 cihazımdan Tapatalk kullanılarak gönderildi
never used Huawei before have a couple of questions
1. Is there anyway to get back to full stock with relock bootaloder in case the device need to go to service center?
(assume unlock bootloader with dc-unlocker not huawei id one)
2. From question 1 what do i need to do or backup before root?
thnak you so much!
44alphabeT said:
never used Huawei before have a couple of questions
1. Is there anyway to get back to full stock with relock bootaloder in case the device need to go to service center?
(assume unlock bootloader with dc-unlocker not huawei id one)
2. From question 1 what do i need to do or backup before root?
thnak you so much!
Click to expand...
Click to collapse
Yes you can always flash stock ROM as factory out, if you are not in Oreo.
And you can root it. It's your own protection to have a backup. I suggest you have, anyway it's up to you. You can loose all your data after root.
Hi, yersterday I used TWRP trying to install a newer firmware and I wiped system partition and now it does not boot because it doesn't have an OS. I was on EMUI 8 (636) trying to update the firmware.
Is there any way to flash a firmware via TWRP or Fastboot on EMUI 8 (i know partition names change on Oreo).
Thanks!

Honor 9 no OS installed, TWRP and fastboot with unlock still working

Hi guys, i got my H9 yesterday and because i thought i read enough on this forums i wanted to unlock it then install TWRP and install superSU to gain root access and stick with the stock firmware.
Unlocking went perfectly fine,phone booted to OS, than i flashed twrp 3.1.1-1 as advertised here and made a factory reset. Phone was stuck in bootloop for unknown reason.
I made several wipes and somehow managed to check all boxes in the wipe menu which erased the whole OS.
Now i read here that others have the "no OS" problem too but because i still have all unlocked fastboot and twrp i wanted to ask which method is best to flash back the original FW.
Which stock ROM is safe to install? i have european H9 is STF-L09C432B170 the right one for me?
Which method is the best to install it? Copy the 3 zips to internal stoagre via OTG device and install it out of twrp? I read that there is also a force method where users can push vol up, vol down and power simultaneously and enter the huawei install force mode.
I am quite sad that the phone was stuck in bootloop after twrp install and still dont know what caused it. When i install it from twrp there are 3 zips: update, data full public , hw eu. In which order do they have to e installed and is one of them overwriting the TWRP recovery?
Please give me a short hint/procedure, im quite afraid that i cant get my phone back to work and it is brand new. I dont know what caused the unsolvable bootloop.
Best regards and many thanks
Hi.
Check this:
https://forum.xda-developers.com/showpost.php?p=73334439&postcount=1
This help you.
Regards
thanks for the hint but i cant find a solution for me there.
ut this
i copied the 3 .zip files to internal today but TWRP doenst allow me to write them it fails with "write err errno 9"
then i tried to copy the update.pp in DLOAD folder on micro sd but this is not possible because filesize is over 2gb. i tried to format micro sd with twrp to exfat but it till doesnt work. please give me a little hint what to do im completely desperate about the situation.
Today i installed Huawei Multitool and extracted the .img file out of the update.app files, i was able to flash all 4, system, boot, recovery and cust.
Now the rec. menu is back to stock and everything got installed but the phone still isnt booting. i think it is because i missed the userdata.img which i cant find anywhere.
Other users here have the same problem. Is there a firmware package which includes all 5 .img data?
Best regards
i found the official huawei service full repair firmware with all necessary files for unbrick (system, cust, recovery, userdata, boot) flashed them via fastboot but stil device is "hanging" after the warning message that its unlocked. i think it is because i wiped vendor data in twrp but i cant flash vendor.img in fastboot. it is included in the fw package but cant be transfered to phone via fastboot. it stops at part 1/2 because the filesize allowd is around 470mb max but the extracted file has a size of 670. anyone know what to do?
Best regards
You need to go via the Rebrand way with no rebrand. I had the same problem and was trying to use the multitool without success. The oeminfo can be flashed alternatively if it fails during the HWOTA process.
https://forum.xda-developers.com/honor-9/help/how-flash-oeminfo-t3657499
ok i download all the folders with the .bat file. Then i download C432B150 from the czech site and add it to the update folder. Than i rename the 3 files accoding to the manual and run the .bat file but without rebranding right?
Des this tool any different than the HuaweiMultiTool or fastboot with flash command?
Best regards
I treid out HWOTA, the first step installing twrp is successful than i disattach usb cable as described and enter twrp. Then it says in twrp i have to connect again and press enter but then the bat file stops and doenst go on. i dont come to the point where i can choose rebrand or flash firmware.
Whats wrong here?
edit: i saw in the .sh file that the script executes wait_adb but my phone is not entering adb mode as it seems when in main screen of twrp. is this normal or do i have to set it manually in twrp
best regards
I was able to install the B130 now via 3 button recovery. Now im on B130 but cant update elsewhere. Also the 2 capacitive buttons are not working. Bootloader is locked again. Everything is stock and the phone runs great. When i update with the 3 buton method from external sd, which firmware should i use? i tried B150 full OTA but it aborts after 5% with an error. Do i only need to get a small OTA package now?
How can i put my cap. buttons back to work? Too bad only the 3 button method worked to recover the phone.
Best regards and many thanks.
I did the HWOTA with b120 firmware and then used firmware finder to update to b150.
The bug with capacitive buttons is present till Oreo. I use the home button gestures anyways.
Hope it helps.
ok, thats bad but they worked with the initial revision of b130 and b150 when i downloaded it OTA. Is this something like a fuse like.knox at samsung which happens at custom flashing?
Sent from my GT-I9300 using Tapatalk
the HWOTA method doesnt work, the batch file gets stuck after connecting the phone in twrp back to computer. in script it says wait_adb but it is not recognized somehow.
do u know a solution? anotherone here got that problem too.
im very afraid of that, i read here that everything related to twrp 3.1.1-0 and 3.1.1-1 is problematic a lot of people cant boot after installing twrp and can wipe whtever they want the phone never boots fully
whats the difference in the B130/B120 the phone came from huawei and the version flashed via tools? when i got it everything worked
i have this version.
ok so install twrp have frq and bootloader unlocked and then do backup out of recovery? with your file? can you provide download link? is this then a zip file?
I want to solve the thread and how i solved problem.
The B130 service firmware by huawei could be installed via 3 button method, than i was able to go up to the newest B180 via firmwarefinder and DNS method but with not working cap. buttons and flash etc.
Yesterday i installed TWRP 3.1.1-1(temporary) via HWOTA.zip method (ireplaced the older twrp in recovery folder) and successfully installed B120 and got the buttons etc working again. Then installed root and now system works fine and is rooted. My mistake was to install twrp over B130 or B150 which i downloaded OTA at the first day i got the phone. I tested this yesterday to install TWRP along with B150 and unlocked bootloader, infinite bootloop again. With B120 the TWRP 3.1.1-1 works out of the box without any loops.
The 2 trouble solvers where B130 service firmware and HWOTA with B120.
The external SD had to be inserted in card reader on PC because of the large filesize of the B130.
I would recommend to everyone before starting to play with the H9 to move the B130 folders to phone while it is still accessible. When everything bricks like in my case and u still have twrp than you can go to twrp main screen and connect phone to computer to rename the folder with B130 to "dload" and arrange update.app accordingly on PC or in TWRP file manager.
Can i set this topic to [SOLVED] myself?
Best regards
https://forum.xda-developers.com/honor-9/development/firmware-huawei-honor-9-stf-l09-stock-t3696892
this works flawlessly with 3 button method

Colt OS v5.4 (Android 10)

Hi all,
I have managed to install the following vanilla ROM on my Huawei P20 lite.
ColtOS-v5.4-10-Unofficial-20200103-arm64-ab-vanilla.img
So far it's going good but I've got 3 issues that I can't get info on with this ROM.
As far as I could see Android 10 OS has changed file systems. So my exFAT SD card won't work (needs to be formatted?). This card is only a couple of months old so it's not broken. It was working when I had EMUI 9.1 running yesterday. The OS says "there is an issue with your SD card". I go into the menu and it asks me to format said card. I have done this 4 times already but nothing changes. After the format the OS still gives the error that the SD card is faulty. Also when I connect my phone to my Win 10 PC only the Internal storage is picked up, not the SD card at all.
Then the other issue I have is getting TWRP to run. I have the following TWRP image that I tried to flash. When I do flash it and I reboot nothing happens and the phone boots to normal eRecovery.
TWRP image:
twrp-3.4.0-0-anne.img
Latly I have read read on the Colt OS XDA forum that one can not report errors of the OS if you are running Magisk. Is Magisk supported at all with this OS? Can I use SuperSU maybe instead of Magisk to get root working maybe?
For anyone who is going to respond, I say thank you
MayhemIam said:
Hi all,
I have managed to install the following vanilla ROM on my Huawei P20 lite.
ColtOS-v5.4-10-Unofficial-20200103-arm64-ab-vanilla.img
So far it's going good but I've got 3 issues that I can't get info on with this ROM.
As far as I could see Android 10 OS has changed file systems. So my exFAT SD card won't work (needs to be formatted?). This card is only a couple of months old so it's not broken. It was working when I had EMUI 9.1 running yesterday. The OS says "there is an issue with your SD card". I go into the menu and it asks me to format said card. I have done this 4 times already but nothing changes. After the format the OS still gives the error that the SD card is faulty. Also when I connect my phone to my Win 10 PC only the Internal storage is picked up, not the SD card at all.
Then the other issue I have is getting TWRP to run. I have the following TWRP image that I tried to flash. When I do flash it and I reboot nothing happens and the phone boots to normal eRecovery.
TWRP image:
twrp-3.4.0-0-anne.img
Latly I have read read on the Colt OS XDA forum that one can not report errors of the OS if you are running Magisk. Is Magisk supported at all with this OS? Can I use SuperSU maybe instead of Magisk to get root working maybe?
For anyone who is going to respond, I say thank you
Click to expand...
Click to collapse
Try Magisk-phh :
https://androidfilehost.com/?fid=4349826312261812699
You can try also SuperSu:
https://mega.nz/#!Zgc3VaBZ!K6_N35ex3HiNp6UAPq7nz_h3EDuuVQcLpYR0-kg56bQ
And TWRP by Askuccio:
https://mega.nz/#!EsdTgYqZ!2QX9wgAhA653Dp2MkDTLPHa3tmFdNqmC5CDDHB-7f5Y
-Alf- said:
Try Magisk-phh :
https://androidfilehost.com/?fid=4349826312261812699
You can try also SuperSu:
https://mega.nz/#!Zgc3VaBZ!K6_N35ex3HiNp6UAPq7nz_h3EDuuVQcLpYR0-kg56bQ
And TWRP by Askuccio:
https://mega.nz/#!EsdTgYqZ!2QX9wgAhA653Dp2MkDTLPHa3tmFdNqmC5CDDHB-7f5Y
Click to expand...
Click to collapse
Hi Alf man!
Thank you for the suggested links. I tried flashing the TWRP provided but nothing happens.
I have gone back to EMUI 9.1 and I can pickup the sd card. So I have no idea why it keeps telling me the sd card is corrupt Alf.
From what I have read, there are 2 partitions, one active the other not, for easier upgrading etc. So it seems I have to specify which partition to flash the provided TWRP? Is there a post on xda that I am missing in trying to install TWRP on Android 10?
MayhemIam said:
Hi Alf man!
Thank you for the suggested links. I tried flashing the TWRP provided but nothing happens.
I have gone back to EMUI 9.1 and I can pickup the sd card. So I have no idea why it keeps telling me the sd card is corrupt Alf.
From what I have read, there are 2 partitions, one active the other not, for easier upgrading etc. So it seems I have to specify which partition to flash the provided TWRP? Is there a post on xda that I am missing in trying to install TWRP on Android 10?
Click to expand...
Click to collapse
Well after flashing back to EMUI 9.1 I tried again, this time flashing TWRP first (twrp-3.4.0-0-anne.img) ....the other TWRP you suggested booted into TWRP but then it would reboot shortly after. Then I formated my sd card to fat32. After that I flashed Colt OS, then I reinstalled stock recovery, rebooted and ColtOS was working but it was installed on my SD card and not my main storage?
So now I am back on EMUI 9.1 but I can't access my storage on my PC. If I switch to "transfer file" only a cd-rom pops up in My Computer on Win 10. So I managed to screw up my entire storage :crying:
Well EMUI 9.1 is running though. My internal storage is encrypted
MayhemIam said:
Well after flashing back to EMUI 9.1 I tried again, this time flashing TWRP first (twrp-3.4.0-0-anne.img) ....the other TWRP you suggested booted into TWRP but then it would reboot shortly after. Then I formated my sd card to fat32. After that I flashed Colt OS, then I reinstalled stock recovery, rebooted and ColtOS was working but it was installed on my SD card and not my main storage?
So now I am back on EMUI 9.1 but I can't access my storage on my PC. If I switch to "transfer file" only a cd-rom pops up in My Computer on Win 10. So I managed to screw up my entire storage :crying:
Well EMUI 9.1 is running though. My internal storage is encrypted
Click to expand...
Click to collapse
Hi, just a few notes:
- As I wrote earlier, availability of custom ROMs for Kirin devices is scarce.
- Note that the "AB" in GSIs is not the same thing as physically having AB partitions .
"AB" in GSIs means SAR - system-as-root ( P20 lite which runs on EMUI 9.1).
A common misconception is that having Project Treble support and A/B partition support are related to one another, but that’s not actually the case. Having one does not imply the other. P20 Lite supports Project Treble AB, yet is an A-only device ( does not support Seamless Updates).
- if your phone is running Oreo, install a-only version.
-Alf- said:
Hi, just a few notes:
- I gave you in P.M. TWRP tips but you are still using 3.4.0-0 . Okay, it 's your choice.
- As I wrote earlier, availability of custom ROMs for Kirin devices is scarce. Some GSI Custom roms on Huawei devices require the .img file to be installed from fastboot :
fastboot erase userdata
fastboot flash system Colt-xxxx-xxxx.img
- Note that the "AB" moniker in GSIs is not the same thing as physically having AB partitions .
AB" in GSIs means system-as-root.
A common misconception is that having Project Treble support and A/B partition support are related to one another, but that’s not actually the case. Having one does not imply the other. P20 Lite supports Project Treble, yet is an A-only device ( does not support Seamless Updates).
- Install Service ROM and recover your phone (don't wait until it's too late ).
Click to expand...
Click to collapse
Ok thank you very much for your insight Alf.
I was having issues with that specific TWRP, that's why I tried a different one. But per your instructions, I will 100% go ahead and install Service ROM as suggested!
Thank you so very much Alf! Now I understand a bit more one the partitions.
-Alf- said:
Hi, just a few notes:
- I gave you in P.M. TWRP tips but you are still using 3.4.0-0 . Okay, it 's your choice.
- As I wrote earlier, availability of custom ROMs for Kirin devices is scarce. Some GSI Custom roms on Huawei devices require the .img file to be installed from fastboot :
fastboot erase userdata
fastboot flash system Colt-xxxx-xxxx.img
- Note that the "AB" moniker in GSIs is not the same thing as physically having AB partitions .
AB" in GSIs means system-as-root.
A common misconception is that having Project Treble support and A/B partition support are related to one another, but that’s not actually the case. Having one does not imply the other. P20 Lite supports Project Treble, yet is an A-only device ( does not support Seamless Updates).
- Install Service ROM and recover your phone (don't wait until it's too late ).
Click to expand...
Click to collapse
Hi Alf,
So I tried to follow your advice. I downloaded the following .zip file mentioned in your earlier post.
ANE-L01 8.0.0.136(C432) Firmware Android 8.0.0 EMUI 8.0.0 05014YXX.zip
I unzipped that file, and afterwards I tried flashing it first with the dload method, which only gave an error exclamation on eRecovery. I know I need to downgrade first from 9.1.0 and I have looked through XDA posts now but I haven't managed to do it. I have also tried via HiSuite and it gives me the option to downgrade, which I did, and then the phone restarted into TWRP recovery ( it seems I did not flash stock recovery before the HiSuite downgrade).
Ok...it seems I have to relock my bootloader before I try and downgrade to EMUI 8. If there are any steps I am missing please help.
Thank you!
MayhemIam said:
I know I need to downgrade first from 9.1.0 .
Click to expand...
Click to collapse
Where did you get this information ??? If you are running EMUI 9.1, you have to flash Service ROM for EMUI 9.1. Don't try downgrade to Oreo using Oreo Service ROM, it may brick your phone.
Download links (Service ROMs for C432 EMUI 9.1):
https://androidhost.ru/Xch
https://androidhost.ru/Xc1
https://androidhost.ru/Xar
It doesn't matter which one you choose.
-Alf- said:
Where did you get this information ??? If you are running EMUI 9.1, you have to flash Service ROM for EMUI 9.1. Don't try downgrade to Oreo using Oreo Service ROM, it may brick your phone.
Download links (Service ROMs for C432 EMUI 9.1):
https://androidhost.ru/Xch
https://androidhost.ru/Xc1
https://androidhost.ru/Xar
It doesn't matter which one you choose.
Click to expand...
Click to collapse
Ok thank you Alf, I will try with the provided info. Thank you! I was reading through XDA but couldn't find a answer. After I tried to do a downgrade via HiSuite and it failed as well as the dlaod method, I tried again to do a downgrade via HiSuite and the info in the app stated that my phone should not be unlocked.
Thank you for the help Alf!
Ok, I tried flashing via dload method as well as the service menu Alf. Didn't work. So I flashed it manually via fastboot. It installed the service ROM as you suggested I do.
The one I flashed was
Huawei P20 Lite ANE-LX1 ANE-L21 hw eu HLRCF Anne-L21 9.1.0.278(C432E6R1P7T8) Firmware EMUI9.1.0 05014YWN.zip
Current build number 9.1.0.278(C432E6R1P7)
What is the next step Alf? What makes a service ROM special? I tried looking on interwebs but couldn't find any info.
MayhemIam said:
Ok, I tried flashing via dload method as well as the service menu Alf. Didn't work. So I flashed it manually via fastboot. It installed the service ROM as you suggested I do.
The one I flashed was
Huawei P20 Lite ANE-LX1 ANE-L21 hw eu HLRCF Anne-L21 9.1.0.278(C432E6R1P7T8) Firmware EMUI9.1.0 05014YWN.zip
Current build number 9.1.0.278(C432E6R1P7)
What is the next step Alf? What makes a service ROM special? I tried looking on interwebs but couldn't find any info.
Click to expand...
Click to collapse
Ok, got a post on XDA, you need Service ROM to go back to Android 8.
The dload method, does it matter what the sd card's name is in the OS? Must it be sd_card?
OK the dload method does not work. I see that once you properly load a Service ROM, your device locks automatically and then one can proceed to flashing back to Oreo. I take it when the Service ROM is loaded correctly and one boot into fastboot mode the device should say "Phone Locked" "FRP Unlock"?
MayhemIam said:
Ok, got a post on XDA, you need Service ROM to go back to Android 8.
Click to expand...
Click to collapse
Dude it's you choice. As I said, downgrade to lower EMUI version via dload method may brick your phone. it's possible (and safely!) via HiSuite (with locked bootloader) only, or using HuRupdater 0.4 & TWRP .
Our conversation is useless, it's time to end it. Good Luck!
-Alf- said:
Dude it's you choice. As I said, downgrade to lower EMUI version via dload method may brick your phone. it's possible (and safely!) via HiSuite (with locked bootloader) only, or using HuRupdater 0.4 & TWRP .
Our conversation is useless, it's time to end it. Good Luck!
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Thank you Alf. You were very helpful!

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