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P9 bricked please help

Hi Guys,
My friend bricked his phone. Im trying to recover it. Its a VNS-L21.
I tried putting the stock rom on it using dload method from
https://boycracked.com/2016/09/13/official-huawei-p9-lite-vns-l21-stock-rom/amp/
and
http://huafirmware.com/8-firmware/16-huawei-p9-lite-vns-l21
but the upgrade fails everytime saying incompatible.
any help is appreciated :fingers-crossed:

My fix for the issue
malikusmanrasheed said:
Hi Guys,
My friend bricked his phone. Im trying to recover it. Its a VNS-L21.
I tried putting the stock rom on it using dload method from
https://boycracked.com/2016/09/13/official-huawei-p9-lite-vns-l21-stock-rom/amp/
and
http://huafirmware.com/8-firmware/16-huawei-p9-lite-vns-l21
but the upgrade fails everytime saying incompatible.
any help is appreciated :fingers-crossed:
Click to expand...
Click to collapse
Hey man, I got a problem just like you and this is the way I fixed it.
Download the Huawei update extractor:
https://forum.xda-developers.com/showthread.php?t=2433454
And use this to open your Update.app you already downloaded.
Extract the 'boot.img' and the 'system.img'.
Now you need fastboot, follow this tutorial:
https://www.xda-developers.com/xda-...tall-adb-and-fastboot-system-wide-in-windows/
Now open terminal/cmd/powershell and open the folder the boot.img and system.img you extracted are in.
Connect your phone in fastboot and run the following commands:
fastboot flash system [Extracted_System.Img]
fastboot flash boot [Extracted_Boot.img]
fastboot reboot
This resolved the issue for me, I hope also for you!

JatanX said:
Hey man, I got a problem just like you and this is the way I fixed it.
Download the Huawei update extractor:
https://forum.xda-developers.com/showthread.php?t=2433454
And use this to open your Update.app you already downloaded.
Extract the 'boot.img' and the 'system.img'.
Now you need fastboot, follow this tutorial:
https://www.xda-developers.com/xda-...tall-adb-and-fastboot-system-wide-in-windows/
Now open terminal/cmd/powershell and open the folder the boot.img and system.img you extracted are in.
Connect your phone in fastboot and run the following commands:
fastboot flash system [Extracted_System.Img]
fastboot flash boot [Extracted_Boot.img]
fastboot reboot
This resolved the issue for me, I hope also for you!
Click to expand...
Click to collapse
Hi Jatan,
Thanks for the reply. I tried that as well with a couple of stock images but all i got was a blank screen. Can you share the stock image that you used?
:good:

for most Stock images when i try to "Fastboot flash system d:\System.img" ( system.img is in D: in my case), i get this error
FAILED (remote: sparse flash write failure)

malikusmanrasheed said:
for most Stock images when i try to "Fastboot flash system d:\System.img" ( system.img is in D: in my case), i get this error
FAILED (remote: sparse flash write failure)
Click to expand...
Click to collapse
How did he brick it? What was he specifically doing (nougat update etc.)? Do you get the same error when you try and flash a boot image, stock recovery or other partitions?
Can you install twrp? If so, try wiping the system & boot partitions in twrp, then try flashing boot & system again in fastboot. If he'd updated to nougat, then you'll need to try and flash the rollback package first then dload a Marshmallow rom and go from there

I would suggest using this tool:
https://forum.xda-developers.com/p9/development/huawei-p9-eva-l09-eva-l19-eva-l29-tool-t3591358
to install this tool to unlock bootloader and install twrp.
After unlocking your bootloader everything on your phone is gone though.
Then in twrp you can try to repair your your partitians by going to wipe->advanced wipe->repair or change...
And thereafter continue with the steps is provided earlier or install a new rom, this is up to you.
I hope it fixes it for you.

colthekid said:
How did he brick it? What was he specifically doing (nougat update etc.)? Do you get the same error when you try and flash a boot image, stock recovery or other partitions?
Can you install twrp? If so, try wiping the system & boot partitions in twrp, then try flashing boot & system again in fastboot. If he'd updated to nougat, then you'll need to try and flash the rollback package first then dload a Marshmallow rom and go from there
Click to expand...
Click to collapse
Hi colthekid,
He just went nuts and wiped everything he could see in the twrp.
After that I have tried to write this via the method jatan suggested:
VNS-L21C185B360
from http://www.stechguide.com/download-huawei-p9-lite-b360-nougat-update/
still no boot.

JatanX said:
I would suggest using this tool:
https://forum.xda-developers.com/p9/development/huawei-p9-eva-l09-eva-l19-eva-l29-tool-t3591358
to install this tool to unlock bootloader and install twrp.
After unlocking your bootloader everything on your phone is gone though.
Then in twrp you can try to repair your your partitians by going to wipe->advanced wipe->repair or change...
And thereafter continue with the steps is provided earlier or install a new rom, this is up to you.
I hope it fixes it for you.
Click to expand...
Click to collapse
I'l try that and update.

i have twrp. repaired the partitions. did the flast via fast boot using the above method
"Now open terminal/cmd/powershell and open the folder the boot.img and system.img you extracted are in.
Connect your phone in fastboot and run the following commands:
fastboot flash system [Extracted_System.Img]
fastboot flash boot [Extracted_Boot.img]
fastboot reboot"
and still the same. It flashes the files fine. but at boot i get a black screen.
I think im using the wrong files. Can anyone please share the link for a full stock rom nougat , or a roll back from nougat to mm (i flashed this VNS-L21C185B360 latest)

or maybe i need to do write the oeminfo or something. Read it somewhere. not clear on what it is

malikusmanrasheed said:
I think im using the wrong files. Can anyone please share the link for a full stock rom nougat , or a roll back from nougat to mm (i flashed this VNS-L21C185B360 latest)
Click to expand...
Click to collapse
Maybe you need to continue this in the P9 Lite forum?
However, in the meantime, this should help you along!!
Firmware... https://forum.xda-developers.com/hu...huawei-p9-lite-firmware-compilations-t3517124 (pick a full MM rom)
Downgrade... https://forum.xda-developers.com/huawei-p9lite/how-to/nougat-official-firmware-t3512932 (partway down first post)

colthekid said:
Maybe you need to continue this in the P9 Lite forum?
However, in the meantime, this should help you along!!
Firmware... https://forum.xda-developers.com/hu...huawei-p9-lite-firmware-compilations-t3517124 (pick a full MM rom)
Downgrade... https://forum.xda-developers.com/huawei-p9lite/how-to/nougat-official-firmware-t3512932 (partway down first post)
Click to expand...
Click to collapse
This:
Downgrade... https://forum.xda-developers.com/huawei-p9lite/how-to/nougat-official-firmware-t3512932 (partway down first post)
solved my problem.
Putting the puzzle back again:
I think the genius removed the oeminfo along with everything else he could see in the twrp wipe menu.
I tried to put multiple firmwares on the device nougat ( as he updated) but the boot still showed blank.
As soon as i flashed the oeminfo --> then MM firmware, the device booted up.
Thank you so much everyone for your help. Really appreciate it :good::good::good::good::good::good:

Excellent! :good::good:
And I'm sure your friend is glad to have a working phone again!
Explains why dload wouldn't work as well. As far as I'm aware the update.app checks oeminfo to make sure the firmware is compatible. Hence if you want to debrand a phone to C432, you have to flash a C432 oeminfo before the C432 update.app will flash successfully. No oeminfo=no compatibility for anything!!!

hi,
please help unbrick my P9
I can't get into fastboot, the only one thing it boots is the eRecovery, (system partition damaged)
---------- Post added at 04:26 AM ---------- Previous post was at 04:11 AM ----------
konstwww said:
hi,
please help unbrick my P9
I can't get into fastboot, the only one thing it boots is the eRecovery, (system partition damaged)
Click to expand...
Click to collapse
somehow i managed to get to fastboot but trying to flash system get error
sending sparse 'system' (449861 KB)...
OKAY [ 14.749s]
writing 'system'...
FAILED (remote: sparse flash write failure)
finished. total time: 15.142s
Update: To get into fastboot is very important that smartphone is connected via USB to PC, then Power-button and VolumeDown together till Phone gets into fastboot.
from there flash TWRP, and reboot to recovery, after that install full Update (Files and guideline is here in first post part 3 and 4 https://forum.xda-developers.com/p9/development/rom-huawei-p9-magic-rainbow-t3601064).

malikusmanrasheed said:
This:
Downgrade... https://forum.xda-developers.com/huawei-p9lite/how-to/nougat-official-firmware-t3512932 (partway down first post)
solved my problem.
Putting the puzzle back again:
I think the genius removed the oeminfo along with everything else he could see in the twrp wipe menu.
I tried to put multiple firmwares on the device nougat ( as he updated) but the boot still showed blank.
As soon as i flashed the oeminfo --> then MM firmware, the device booted up.
Thank you so much everyone for your help. Really appreciate it :good::good::good::good::good::good:
Click to expand...
Click to collapse
Can you please send me your full steps. I really need it

Which version of TWRP?

So, just got the OTA update to Android Pie for my Mi 8 Global, and want to try flashing TWRP again. Every single version of TWRP I have flashed before has always either fail to boot, or always reboots into recovery and the ROM never loads. Anyone can suggest a real working TWRP file to flash? Do I need to wipe data? Etc. Since TWRP hasn't worked for me at all, I have to root with a roundabout way. Install Magisk Manager, extract and recompile boot.img into patched_boot.img and flash that in fastboot. This gives me roo but no TWRP so I can't flash any custom kernels or ROMs.

Rommco05 said:
Hi, I can't help you with twrp because I still waiting for countdown for unlocked it. From your post I understand u have a stock recovery.img, where u find stock recovery?
Click to expand...
Click to collapse
I just flash the stock boot.img and it reverts everything

Rommco05 said:
Where I can find stock .imgs?
Click to expand...
Click to collapse
Download a stock ROM and grab the boot.img from inside it.

Go back to stock rom

Hi,
I've installed a custom rom, but now i can´t install updates, Pie for example.
How can i unroot and go back to stock rom?
Thanks

aalmeida1972 said:
Hi,
I've installed a custom rom, but now i can´t install updates, Pie for example.
How can i unroot and go back to stock rom?
Thanks
Click to expand...
Click to collapse
I'd suggest HurUpdater: https://forum.xda-developers.com/ho...h-official-firmware-recovery-t3769279/page111
OTAs do work with an unlocked bootloader, but not with root or custom kernels.

Does this works with the P10? In the post i ddin´t found the P10.
And if it works, wich zip file i have to choose? And i have root
Thanks

Try my guide (Tutorial #2, Oreo to Oreo)
After that do a factory reset with eRecovery (boot with Vol+ and connected USB).
What also should work is flashing the system.img manually via fastboot.
For this extract the system.img from the correct firmware version with Huawei Update Extractor.
Connect your phone to your PC, boot into fastboot and flash with "fastboot flash system PATH\TO\SYSTEM.IMG".
After that do a factory reset with eRecovery (boot with Vol+ and connected USB).
Note for the next time: backup your system partition via TWRP before flashing the custom rom.
Also note that a factory reset is needed, without your phone won't boot, so backup your personal data before doing it.

aalmeida1972 said:
Does this works with the P10? In the post i ddin´t found the P10.
And if it works, wich zip file i have to choose? And i have root
Thanks
Click to expand...
Click to collapse
Yes, it works on the P10. You can download the files with the firmware finder app. I'd recommend the newest oreo version for your customisation (e.g. B382 for C432).
But Jannomag's solution should work equally well.

Wich Jannomag´s thread?
Do you have the link, please?
Thanks

aalmeida1972 said:
Wich Jannomag´s thread?
Do you have the link, please?
Thanks
Click to expand...
Click to collapse
The fourth message in this thread

I am sorry, maybe i am just dumb but i can't find it

I followed the guide but know i am i an bootloop. I get the message "your device has failed verification and may not work properly"

It restarded, but as D188-L29!!! I download the VTR-L29 on https://pro-teammt.ru/firmware-database/?firmware_model=VTR-L29C432&firmware_page=0
Now i can't update or nothing

aalmeida1972 said:
It restarded, but as D188-L29!!! I download the VTR-L29 on https://pro-teammt.ru/firmware-database/?firmware_model=VTR-L29C432&firmware_page=0
Now i can't update or nothing
Click to expand...
Click to collapse
Possibly you renamed the wrong customisation file (i did it once for the 09 while I needed the 29).

Which one did you download? And did you flash manually or did you use my script?
Download my oeminfo, it's from VTR-L29C432 Version 8.0.0.380, while the version doesn't really matter.
Flash it via TWRP using "Install" and "Use Image". Flash it to oeminfo partition. Then do my update script again.

I followed the guide to do Oreo to Oreo - basically wanting to get from custom Rom (fRomFuture B370) back to stock, so I chose the same firmware version to extract. Flashed everything with the script and it went fine and it boots and works.. but
The resolution seems to be off, too low and the right side of the screen is unresponsive to touch (about 1cm )
EDIT- Rolled back to fRomFuture B370 for now - need to find a way to get back to stock, as want to move on to Openkirin ROM instead

HI, i have a vtr-l29 root, i want to unroot(version oreo), how do i do it? what do i need to flash?. thank you Alex

P20 Pro - Bricked - tried everything...(!)

I was rooted through Magisk on firmware .255, but I saw an approved update for firmware .280 which I wanted, and I also wanted to go back to stock for a while. I downloaded the update.zip, extracted the .img needed and flashed accordingly; cust, erecovery, system, cache, kernel, recovery, userdata, etc, all I could.
I now can't get it to boot no matter what I try. I always end up on the screen "Your device has been unlocked and can't be trusted" and then stuck on "Your device is booting now". I can get into eRecovery and/or flash TWRP.
I've tried the below;
Flashing dload folder on a USB OTG
Flashing update zip in TWRP
Flashing update zip with Huruupdater in TWRP
Flashing through fastboot update (update.app extracted)
Flashing through fastboot update_full_base (update.app extracted)
Going through HiSuite - it sees the recovery but then says "No recovery packages found for your phone"
Wipe data etc.
I did forget to remove fingerprint security before I did this, my bootloader is unlocked and FRP.
Genuinely never bricked a phone before! Any help would be appreciated.

I think it's because I need to flash boot.img but I can't see that when I extract from update.app
Does anyone have one please?

Don't make me buy a pixel tomorrow!

belloni said:
I think it's because I need to flash boot.img but I can't see that when I extract from update.app
Does anyone have one please?
Click to expand...
Click to collapse
it because there's no boot.img for EMUI 9, it's recovery_ramdis.img and kernel.img did you flash that ?
try to pull recovery_ramdis.img from the Update.app and patch it using latest magisk 19.4 and flash it then try to boot again

otonieru said:
it because there's no boot.img for EMUI 9, it's recovery_ramdis.img and kernel.img did you flash that ?
try to pull recovery_ramdis.img from the Update.app and patch it using latest magisk 19.4 and flash it then try to boot again
Click to expand...
Click to collapse
Yeah I've flashed those two.
How can I patch it if I can only get into TWRP?

belloni said:
Yeah I've flashed those two.
How can I patch it if I can only get into TWRP?
Click to expand...
Click to collapse
EDIT: I've found the old magisk_patched.img but when I flash it says "FAILED (remote: partition length get error)

belloni said:
Yeah I've flashed those two.
How can I patch it if I can only get into TWRP?
Click to expand...
Click to collapse
from other phone with magisk installed.
other thing you might want to try is enter stock recovery (not TWRP) and wipe /data and cache from there
just a heads up though,
your way of updating the OS is totally dangerous, you could.messed up partition,
you should use EMUI Flasher instead

I have a guide to fix this in the guides section. Follow it and you'll be fine.

Find somebody that had a p20 pro rooted to send you a backup of their software (with the data partition wiped).

https://forum.xda-developers.com/showpost.php?p=79107368&postcount=82

Question Magisk ROOT MIUI 14

I would like to know if someone has managed to root with magisk from CMD without twrp?

You can root with magisk on any miui 14 without using twrp.Just get the boot image from the rom,install magisk apk and patch the boot.img, reboot to fastboot mode ,open cmd and write "fastboot flash boot_ab boot.img" just replace boot.img with the name of your generated magisk boot. The boot image is located in different location according to the rom you are using .Normal miui recovery rom contain file that called payload.bin.You need to download this tool https://github.com/tobyxdd/android-ota-payload-extractor. Follow the instructions in the link and you will get the boot.img .If you using miui.eu rom ,you just need to extract the zip and you will see the boot.img. Also if you want to use Miui 14 global or EEA, you can use the fastboot rom that I created and the zip file contain the boot.img .You can get download link on this thread link https://forum.xda-developers.com/t/fastboot-version-of-miui-14-eea-global-and-older-miui-13.4381953/ .

or965 said:
You can root with magisk on any miui 14 without using twrp.Just get the boot image from the rom,install magisk apk and patch the boot.img, reboot to fastboot mode ,open cmd and write "fastboot flash boot_ab boot.img" just replace boot.img with the name of your generated magisk boot. The boot image is located in different location according to the rom you are using .Normal miui recovery rom contain file that called payload.bin.You need to download this tool https://github.com/tobyxdd/android-ota-payload-extractor. Follow the instructions in the link and you will get the boot.img .If you using miui.eu rom ,you just need to extract the zip and you will see the boot.img. Also if you want to use Miui 14 global or EEA, you can use the fastboot rom that I created and the zip file contain the boot.img .You can get download link on this thread link https://forum.xda-developers.com/t/fastboot-version-of-miui-14-eea-global-and-older-miui-13.4381953/ .
Click to expand...
Click to collapse
ive use your method but my phone still gone to bootloop. im using eu rom currently.

martin132014 said:
ive use your method but my phone still gone to bootloop. im using eu rom currently.
Click to expand...
Click to collapse
What did you do? I wrote several options.

Hey Guys!!!
4 Android 13 we not use Magisk!!! We use Lygisk its a Version direct 4 Android 13 and works great!!!
you can choose witch File you would Patch Boot.img/Recovery.img!! So you can Boot with boot.img normaly into Rooted System!!! And when you Patch the Recovery.img and Flash this, you must start with the Button-Combo that starts Recovery-Mode, so its start the Rooted System, when you start it normaly not over Recovery-Mode the System is Not Rooted!!! Thats the Difference between the 2 Methods,and a Patched Recovery dont set you in Bootloop!!!
Lygisk APK ZIP

System23 said:
Hey Guys!!!
4 Android 13 we not use Magisk!!! We use Lygisk its a Version direct 4 Android 13 and works great!!!
you can choose witch File you would Patch Boot.img/Recovery.img!! So you can Boot with boot.img normaly into Rooted System!!! And when you Patch the Recovery.img and Flash this, you must start with the Button-Combo that starts Recovery-Mode, so its start the Rooted System, when you start it normaly not over Recovery-Mode the System is Not Rooted!!! Thats the Difference between the 2 Methods,and a Patched Recovery dont set you in Bootloop!!!
Lygisk APK ZIP
Click to expand...
Click to collapse
Hi, sorry, but i bit confused about the method here. You mean to just patch either or both. This method is for fastboot or twrp. Sorry if im asking noob question.

or965 said:
What did you do? I wrote several options.
Click to expand...
Click to collapse
I use the method for eu that you posted. First i install magisk 25.2 and then i patch the rom boot.img. I boot to fastboot and flash the patch boot.img using the command. It flash successful then i reboot. But it still bootloop.

And for context, im using Eu weekly rom, not stable and twrp-3.7.0_12-v7.2_A13-venus-skkk.img for recovery. The recovery im using in eu rom forum method for installation.

martin132014 said:
Hi, sorry, but i bit confused about the method here. You mean to just patch either or both. This method is for fastboot or twrp. Sorry if im asking noob question.
Click to expand...
Click to collapse
All good say what you think!! not booth one of them boot.img or recovery.img!! you can flash zip via TWRP than you dont need other steps!!! you can install the Apk and Patch the Boot.img or recovery.img!!! than you can flash it in fastboot, twrp Image or twrp terminal!! choose your method

martin132014 said:
And for context, im using Eu weekly rom, not stable and twrp-3.7.0_12-v7.2_A13-venus-skkk.img for recovery. The recovery im using in eu rom forum method for installation.
Click to expand...
Click to collapse
and what your experience with that!!! Tell me why you like this!!!

System23 said:
All good say what you think!! not booth one of them boot.img or recovery.img!! you can flash zip via TWRP than you dont need other steps!!! you can install the Apk and Patch the Boot.img or recovery.img!!! than you can flash it in fastboot, twrp Image or twrp terminal!! choose your method
Click to expand...
Click to collapse
I guess i should post how I'm doing with the root situation. I guess i miss the part that you need to format the rom after installing new rom. And then do flash the boot.img steps. Now magisk is installed and no bootloop.
I on the other hand do format and flash rom. And continue the boot.img process. I guess that's why it doesn't work.
I'm in the process on restoring my data.

martin132014 said:
I guess i should post how I'm doing with the root situation. I guess i miss the part that you need to format the rom after installing new rom. And then do flash the boot.img steps. Now magisk is installed and no bootloop.
I on the other hand do format and flash rom. And continue the boot.img process. I guess that's why it doesn't work.
I'm in the process on restoring my data.
Click to expand...
Click to collapse
ok a Tip to you!!! when you only Backup Data Partition you can restore it and all Contacts,SMS,Accounts,Apps are availibile again on new ROM!!!
Why you dont use the Magisk.zip and flash it via TWRP after Flash ROM!!! you can rename Magisk.apk to Magisk.zip and flash it!! than you dont need other steps to Root!!! when it dosnt work use the recovery.img to Patch it and try this Method for Rooting, but dont forgett when ya do so you need to try the Buttons-Combo to start in Recovery to boot the System in Root and you have no Recovery-Mode at this Method!!! Also to use Recovery again you must Flash it again via Fastboot!!
And in TWRP use the WIPE Option to make a Factory Reset or WIPE a Single Partition, after some Flashing CROMS its needed to be WIPE the Data Partition!!!

martin132014 said:
I guess i should post how I'm doing with the root situation. I guess i miss the part that you need to format the rom after installing new rom. And then do flash the boot.img steps. Now magisk is installed and no bootloop.
I on the other hand do format and flash rom. And continue the boot.img process. I guess that's why it doesn't work.
I'm in the process on restoring my data.
Click to expand...
Click to collapse
you can ask me what you would i share my Informations with ya!!! when iam not knowing iam googleing it out to find a solution!! the talk we have start are hope helpfully!! when ya have intresst we can stay in kontakt and make what we can, even its public 4 all or PM!!! PS i must not hide my Knowledge, but PM its OK too!!!