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P9 Lite cannot flash stock firmware

I have a Huawei P9 lite. (VNS-L31 dual sim) . I tried to install medrom 3 and after flashing, phone didn't boot up. So I flashed b161 firmware again using 3 button method and phone booted up. Then I realized I couldn't add my google account. After searching on xda I found a method to fix that.(flashing oem info ). But after doing that, when the phone boots up after the huawei logo the error message which says "your device has been unlocked" has become red.( Usually it's yellow). And in about phone my model number has been changed to something like hi6250 or hi650.( Can't remember the exact thing). Then I tried to reflash my b161 firmware using 3 button menu and voila. It says incompatible version. I can't flash it. Then I replaced my build prop with my friend's phone's build prop. But unfortunately it has the B151 version. Though I have B161 version installed, my about phone says it has B151 version. And I can't flash stock firmware using twrp or dload method od any how. Please help

Nemeroz said:
I have a Huawei P9 lite. (VNS-L31 dual sim) . I tried to install medrom 3 and after flashing, phone didn't boot up. So I flashed b161 firmware again using 3 button method and phone booted up. Then I realized I couldn't add my google account. After searching on xda I found a method to fix that.(flashing oem info ). But after doing that, when the phone boots up after the huawei logo the error message which says "your device has been unlocked" has become red.( Usually it's yellow). And in about phone my model number has been changed to something like hi6250 or hi650.( Can't remember the exact thing). Then I tried to reflash my b161 firmware using 3 button menu and voila. It says incompatible version. I can't flash it. Then I replaced my build prop with my friend's phone's build prop. But unfortunately it has the B151 version. Though I have B161 version installed, my about phone says it has B151 version. And I can't flash stock firmware using twrp or dload method od any how. Please help
Click to expand...
Click to collapse
That's normal if the message is red, it means that the bootloader Will be relocked.
Now for the build prop, download b161 version, use huawei firmware extractor , extract boot.img system.img and cust.img
And by fastboot type :
fastboot flash system system.img
fastboot flash boot boot.img
fastboot flash cust cust.img
fastboot reboot
And voila, b161 is installed in your phone !
Sent from my HUAWEI VNS-L31 using XDA Labs

I can ont flash the boot.img. I get this error:
D:\Software_Tools\Multimedia\Handy-Taplet\Handy\Backup\161_entpackt>Fastboot flash boot boot.img
target reported max download size of 471859200 bytes
sending 'boot' (13998 KB)...
OKAY [ 0.300s]
writing 'boot'...
FAILED (remote: Command not allowed)
finished. total time: 0.322s

Schrotty35 said:
I can ont flash the boot.img. I get this error:
D:\Software_Tools\Multimedia\Handy-Taplet\Handy\Backup\161_entpackt>Fastboot flash boot boot.img
target reported max download size of 471859200 bytes
sending 'boot' (13998 KB)...
OKAY [ 0.300s]
writing 'boot'...
FAILED (remote: Command not allowed)
finished. total time: 0.322s
Click to expand...
Click to collapse
If fastboot say "FAILED (remote: Command not allowed)", its because your bootlaoder is locked, reunlock it !

In TWRP it says unable to mount Data :/

Ax3noX_ said:
If fastboot say "FAILED (remote: Command not allowed)", its because your bootlaoder is locked, reunlock it !
Click to expand...
Click to collapse
I noticed that in TWRP it says unable to mount data :/ What can i do now

I don't know what is "mount data", i cant help you with that ?

Ax3noX_ said:
I don't know what is "mount data", i cant help you with that
Click to expand...
Click to collapse
Its okay. Still looking for a help dude. Any help is highly appreciated :good:

Nemeroz said:
Its okay. Still looking for a help dude. Any help is highly appreciated :good:
Click to expand...
Click to collapse
Code:
fastboot oem unlock XXXXXX
fastboot flash recovery recovery_stock.img

Unable to read/mount data says your encryption key got changed by something, whatever. You need to Wipe Internal storage and flash twrp again ( I recomment matic`s ) Reboot to recovery again, if you got one, flash a flashable fw via twrp. I Dont know if the stock recovery Accepts a fully wiped intern storage, i guess not and it declines the update.app method.
In the best case for sure you recover an older backup to get the Same enc. Key back

WieserZ1C said:
Unable to read/mount data says your encryption key got changed by something, whatever. You need to Wipe Internal storage and flash twrp again ( I recomment matic`s ) Reboot to recovery again, if you got one, flash a flashable fw via twrp. I Dont know if the stock recovery Accepts a fully wiped intern storage, i guess not and it declines the update.app method.
In the best case for sure you recover an older backup to get the Same enc. Key back
Click to expand...
Click to collapse
Try to hold Vol+ and the power button and if you enter in Huawei recovery, select wipe data / Factory reset

Ax3noX_ said:
Try to hold Vol+ and the power button and if you enter in Huawei recovery, select wipe data / Factory reset
Click to expand...
Click to collapse
Tried that. But didnt work mate 😔

Nemeroz said:
Tried that. But didnt work mate 😔
Click to expand...
Click to collapse
Flash oeminfo (dowbload in the ultimate guide of nougat) and put the update.app of the marshmallow version in the dload folder then hold Vol+, vol- and power.
Its worked for me
Tell me if it work
(Sorry for my bad english, im french

I'd recommend using SP Flash tool. It's saved my ass multiple times.

Where you got the Scatter File for the p9 lite

Nantonix said:
I'd recommend using SP Flash tool. It's saved my ass multiple times.
Click to expand...
Click to collapse
Spflash tool is flash tool only for mtk devices... And p9 lite doesnt have a mtk soc !
---------- Post added at 08:47 PM ---------- Previous post was at 08:46 PM ----------
hanzox5 said:
Where you got the Scatter File for the p9 lite
Click to expand...
Click to collapse
It doesn't exist !

i wanted to convert the device to dual sim, so i tried to restore the backed-up partitions using meticulus' TWRP. But it says unable to mount /data every time i try to format it.
I know i made a big mistake, but that's how i learn..

this thread has worked for me
https://translate.google.co.uk/tran...m/showthread.php?t=1261335&edit-text=&act=url

Hello I went back the MN when startups is only then the logo after screen dark
please help me !!!
sorry for my english

pinhpongk said:
Hello I went back the MN when startups is only then the logo after screen dark
please help me !!!
sorry for my english
Click to expand...
Click to collapse
do a factory reset..if doesn work reflash stock marshmallow b160

Rollback yo b386 from b577

Hi, I need help, I have the Chinesse version of mate 8( NTX AL10), and I installed the 577 version in HiCare, but Im having too many problems and I want to rollback to Android 6.
Someone can show me the way? I tried to install twrp recovery (I have the bootloader unlocked), and I couldnt format data because I couldnt access to internal storage in the recovery.
Thanks

janrck said:
Hi, I need help, I have the Chinesse version of mate 8( NTX AL10), and I installed the 577 version in HiCare, but Im having too many problems and I want to rollback to Android 6.
Someone can show me the way? I tried to install twrp recovery (I have the bootloader unlocked), and I couldnt format data because I couldnt access to internal storage in the recovery.
Thanks
Click to expand...
Click to collapse
try to use dload method by copying UPDATE.APP to dload folder on the root, or extract UPDATE.APP and flash recovery.img, boot.img, system.img, cust.img using fastboot command :
fastboot flash recovery recovery.img
fastboot flash cust cust.img
fastboot flash boot boot.img
fastboot flash system system.img

I tried the dload method and I got an instalation error, I will try yo extract the update.app files. Thanks!
Enviado desde mi HUAWEI NXT-AL10 mediante Tapatalk

azyounes said:
try to use dload method by copying UPDATE.APP to dload folder on the root, or extract UPDATE.APP and flash recovery.img, boot.img, system.img, cust.img using fastboot command :
fastboot flash recovery recovery.img
fastboot flash cust cust.img
fastboot flash boot boot.img
fastboot flash system system.img
Click to expand...
Click to collapse
I tried that, but I was able to flash boot, cust and recovery, but with the system.img crash and show me this error:
target reported max download size of 471859200 bytes
sending sparse 'system' (458765 KB)...
OKAY [ 10.915s]
writing 'system'...
FAILED (remote: sparse flash write failure)
finished. total time: 10.970s
Im desperated...

janrck said:
I tried that, but I was able to flash boot, cust and recovery, but with the system.img crash and show me this error:
target reported max download size of 471859200 bytes
sending sparse 'system' (458765 KB)...
OKAY [ 10.915s]
writing 'system'...
FAILED (remote: sparse flash write failure)
finished. total time: 10.970s
Im desperated...
Click to expand...
Click to collapse
maybe u have to do a factory reset first. if u cant do it with twrp try to enter the stock recovery and do it before flashing. hope that it works this time.
about me, i was on nougat beta, twrp gives me too much errors when i want to format data and system, i installed stock recovery and did a factory reset and i used dload folder, now im on EMUI 4.0 (B180)
dont worry every problem have a solution. good luck
Posted from Mate 8.

Or with Rollback UPDATE.APP.
My Mate 8 is L29C636,i convert to AL 10 with B577 and go Back to L29 C636B211 without any Problem.
I can upload the UPDATE.APP later 92mb.

Use HiSuite via PC and roll back by updating to earlier versions! It's simple

azyounes said:
maybe u have to do a factory reset first. if u cant do it with twrp try to enter the stock recovery and do it before flashing. hope that it works this time.
about me, i was on nougat beta, twrp gives me too much errors when i want to format data and system, i installed stock recovery and did a factory reset and i used dload folder, now im on EMUI 4.0 (B180)
dont worry every problem have a solution. good luck
Posted from Mate 8.
Click to expand...
Click to collapse
I tried everything, I think maybe the problem is the Recovery, you knoq a twrp recovery that works fine with nougat?
Enviado desde mi HUAWEI NXT-AL10 mediante Tapatalk

bluheart said:
Use HiSuite via PC and roll back by updating to earlier versions! It's simple
Click to expand...
Click to collapse
I tried, but I couldnt do it, the Hisuitr shows me an Instalation error...

letschky said:
Or with Rollback UPDATE.APP.
My Mate 8 is L29C636,i convert to AL 10 with B577 and go Back to L29 C636B211 without any Problem.
I can upload the UPDATE.APP later 92mb.
Click to expand...
Click to collapse
And how did yo do? Can you explain please?

Copy the Rollback UPDATE.APP in dload Folder in Micro SD.
Change oem.info and custom.bin from AL10 to L29.
Boot in Bootloader and Flash Stock Recovery and reboot
This make Automatic a Factory Reset and Lock my Bootloader
Go to dailer and use this code *#*#2846579#*#* and go to 4.Software Upgrade.
After this Procedur copy my Original Firmware for c636B211 in dload Folder and make the same Procedur with *#*#2846579#*#*
After flashing the Firmware i am on L29C636B211
But you have a AL10,i think you flash the Rollback Update App
This Roll Back flash to Emui 4.0 and not to 4.1
After flash the Rollback,Download a Firmware for your AL10 with Emui 4.0 and flash this Update App via dload *#*#2846579#*#* here
This Methode can use with locked bootloader
Download Rollback
I think this works
If not take what was described above
Quote:
Originally Posted by azyounes
try to use dload method by copying UPDATE.APP to dload folder on the root, or extract UPDATE.APP and flash recovery.img, boot.img, system.img, cust.img using fastboot command :
fastboot flash recovery recovery.img
fastboot flash cust cust.img
fastboot flash boot boot.img
fastboot flash system system.img
but your Bootloader must be unlocked!
and sorry for my bad english!
---------- Post added at 07:59 PM ---------- Previous post was at 07:58 PM ----------
bluheart said:
Use HiSuite via PC and roll back by updating to earlier versions! It's simple
Click to expand...
Click to collapse
Yes this Method works only on AL10

Thank you all! Finally I decided to try again with Hisuite and I dont know why but finally works and Im with 386 version.
Enviado desde mi HUAWEI NXT-AL10 mediante Tapatalk

[Solved] Bricked and can't write system

I erased everything in an attempt to unbrick it but that was a mistake. What I have tried and results:
-twrp recovery tried to install the latest stock firmware but got error with mounting system.
-fastboot flash update update.zip didn't solve it
-fastboot seperatly flashing each image, extracted by the update extractor tool. Result:
target reported max download size of 471859200 bytes
sending sparse 'system' 1/6 (451240 KB)...
OKAY [ 23.882s]
writing 'system' 1/6...
FAILED (remote: sparse flash write failure)
finished. total time: 23.958s​-fastboot -w to reformat and try again. Result:
wiping userdata...
Erase successful, but not automatically formatting.
Can't determine partition type.
FAILED (remote: Command not allowed)
erasing 'userdata'...
FAILED (remote: Command not allowed)
finished. total time: 0.012s​OEM is unlocked, I have tried updating from the SD and using the three buttons but I get the wrong format error. Downloaded the MM version as well but I get the incompatible error. Can't download from the erecovery or Hi-Suite. Help please

Have you tried flashing the original oeminfo and then installing with dload? Or maybe try fastboot update method

d0nefufe said:
Have you tried flashing the original oeminfo and then installing with dload? Or maybe try fastboot update method
Click to expand...
Click to collapse
Which original one though? I've been trying and downloaded any Full firmware I could find using a firmware finder, for my VNS-L31 but using the force update method in download so far all of them return an error: Incompatible with current version. I have also tried the fastboot update and separately flashing each file in the update.app . None work so far. I keep trying.

Badwolf9 said:
Which original one though? I've been trying and downloaded any Full firmware I could find using a firmware finder, for my VNS-L31 but using the force update method in download so far all of them return an error: Incompatible with current version. I have also tried the fastboot update and separately flashing each file in the update.app . None work so far. I keep trying.
Click to expand...
Click to collapse
If you're on Nougat, try flashing it's files through fastboot. It worked for me, MM system.img gave me an error, but nougat flashed fine.

I believe ur in nougat beta... Just flash oem info and flash again the nougat from there you can start again and downgrade peacefully

your bootloader is locked

Sh0m1 said:
If you're on Nougat, try flashing it's files through fastboot. It worked for me, MM system.img gave me an error, but nougat flashed fine.
Click to expand...
Click to collapse
Thank you! I followed the instructions here with a slight variation. Because trying to install the update.zip file always gave me errors I extracted the update.APP with the update extractor tool and flashed cache,system,boot with fastboot. Then I opened the custom recovery, installed the other zip file and continued as instructed.

mjz2cool said:
your bootloader is locked
Click to expand...
Click to collapse
No it wasn't. This was my first thought as well.

Badwolf9 said:
No it wasn't. This was my first thought as well.
Click to expand...
Click to collapse
how did you check if it was unlocked? if it says so in fastboot mode it can be incorrect, even when you relock the bootloader it still says unlocked

mjz2cool said:
how did you check if it was unlocked? if it says so in fastboot mode it can be incorrect, even when you relock the bootloader it still says unlocked
Click to expand...
Click to collapse
fastboot oem device-info
Also if it was locked I wouldn't be able to flash anything.

d0nefufe said:
Have you tried flashing the original oeminfo and then installing with dload? Or maybe try fastboot update method
Click to expand...
Click to collapse
where can I find the oeminfo file?

islandman75 said:
where can I find the oeminfo file?
Click to expand...
Click to collapse
This is the L21 - SingleSIM:
https://www.dropbox.com/s/97uad8vc3pwppnq/oeminfoORIGINAL.img?dl=0
And the L21 - DualSIM:
https://www.dropbox.com/s/fq99atzszg2sq1y/oeminfoDUAL.img?dl=0

ADB Shell error

Hey all,
I recently bricked my Huawei p9 lite VNS L31 by wiping ALL partitions , I manged to restore all factory images via an adb shell , but whenever I try flashing the vendor.img I am met with the following error:
target reported max download size of 471859200 bytes
sending 'vendor' (424761 KB)...
OKAY [ 10.666s]
writing 'vendor'...
FAILED (remote: Command not allowed)
finished. total time: 10.701s
I have already locked and re-locked my bootloader several tiles (so don't ask me to , erecovery is useless as always as is the dload method)- I have a feeling my drivers are the problem but I an not sure.
Without the stock vendor.img my phone will not boot
Could a kind soul plleeaasee help me?:angel:

Do you have TWRP installed ?

yes

What's your model exactly ? VNS-L31Cxxx ?

FunnkyHD said:
What's your model exactly ? VNS-L31Cxxx ?
Click to expand...
Click to collapse
VNS-L31 c432b171 (nougat version)
VNS-L31 c432b161 (marshmallow version)

Phone soft bricked but twrp is not working and i can't flash via fastboot

Hi all I've been searching for help but can't find many similar cases to mine.
Here is the situation: after rooting my huawei p8 lite 2017 with magisk I installed xposed framework and it soft bricked my device (again for the third time this week)
I decided to restore a backup i had made, when i had magisk root but no xposed installed, via TWRP
The backup ends but the phone won't boot and TWRP doesn't want to boot either, it continues to boot between twrp and the stock rom without success.
In fastboot i can't find info of my phone to download the right software from a site to do dload but I do have an update.app file for my phone
When i flash boot.img it gives me:
C:\adb>fastboot flash boot BOOT.img
target reported max download size of 471859200 bytes
sending 'boot' (15524 KB)...
OKAY [ 0.389s]
writing 'boot'...
FAILED (remote: partition length get error)
finished. total time: 0.413s
My info is this:
bootloader: unlocked
recovery: not working
huawei eRecovery: tried but failed to boot after
fastboot: partly working
the android version is 8.0
device : PRA-LX1C432B209
I cannot use dload with the update.app from firmware finder
If anyone could help me i would be very thankfull.