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HUAWEI P9 LITE NRD90M(test-keys) TO MM HELP Urgent

Plzzz help im stuck I want to rollback my huawei p9 lite VNS-L31 where its build number is NRD90M(test keys) to marshmallow 6.0 help don't know what to do . Plz if you can explain step by step what can i do because i'm not good in these things , My bluetooth not workng , there no calculator , no software updater , i am not able to check if got update or not and so on......, im stuck plz help

Well hey.. first download this rollback package from this link:
http://download-c1.huawei.com/download/downloadCenter?downloadId=93645&version=371484&siteCode=np
Extract and move all the files to dload folder on your external SD Card then install it with the 3 button method. If there's no dload folder then create one.
So the phone will reboot and now you can downgrade to any mm rom
Now just download this mm rom from this link:
http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1164/g104/v66015/f1/full/update.zip
And again extract and move the files to dload folder on your sd card.. Install with 3 button method.
Done! Everything should work now!
In case If you don't know what the 3 button method is..lol
•Power the phone off ?
•Just press and hold on POWER + VOLUME UP + VOLUME DOWN buttons
The phone will start installing the rom and that's the 3 button method ?❤

this is not working for me. it says incompatibility with current version and to download the correct version.

lennie27 said:
this is not working for me. it says incompatibility with current version and to download the correct version.
Click to expand...
Click to collapse
Man, you have to do entire procedure: unlock bootloader, install twrp for Nougat and flash oeminfo for your phone. Before that you have to put in dload folder MM firmware (B130/B131),
because after flashing oeminfo phone try to repair firmware from dload folder. If repair do not start, power off phone and power on with 3 keys combination.

Hi All,
I'm having a similar issue as lennie27 however I think I might have strayed down an incorrect path during the process of upgrading to Nougat. My device shipped with VNS-L31C16B120 with no updates available through the stock updater. I tried the Firmware Finder guides which listed options for VNS-L31C169B13x and VNS-L31C432B13x however none of these updates would work, updater would say it's incompatible with current version. I also tried manually downloading the VNS-L31C432B160 firmware and installing that with the 3 button method as well as the EngineerMenu option with the same result (found guides that stated needing to be on B160 or B161 before making the jump to Nougat). Eventually I decided to unlock the bootloader and install Nougat through TWRP and followed the obeygeekupdate-huawei-p9-lite-to-android-7-0-nougat-manually guide (can't post links ) on manually installing Nougat (stupidly never paying attention to the fact that it's a beta build guide). I've installed TWRP to the device again using the P9 Lite Toolkit v0.0.0.11 found here on XDA (used this when on MM however the upgrade seemed to restore the stock recovery) with the idea of downloading the build from the ministryofsolutions huawei-p9-lite-vns-l31-nougat-b371-update-stable-europe page and pushing that to the device instead (however now the device doesn't want to boot into recovery)
Now my only concern is, will this work? I've noticed a bit of commenting going back and forth on the ministryofsolutions site which essentially boiled down to the need for debranding the phone (apparently C19 is MTN South Africa specific and I need to debrand it and get it onto C432 Europe before mucking about with Nougat, but alas to late) which seemed to be something I should have done while on MM still. If I can find a full firmware link for VNS-L31C16B120 can I flash that through TWRP without needing to follow any prerequisite steps? So far nothing that I've tried to flash using the three button method has worked, I'd just like to get back onto an official stable firmware again.
Any advice will be appreciated

saintnite said:
Hi All,
I'm having a similar issue as lennie27 however I think I might have strayed down an incorrect path during the process of upgrading to Nougat. My device shipped with VNS-L31C16B120 with no updates available through the stock updater. I tried the Firmware Finder guides which listed options for VNS-L31C169B13x and VNS-L31C432B13x however none of these updates would work, updater would say it's incompatible with current version. I also tried manually downloading the VNS-L31C432B160 firmware and installing that with the 3 button method as well as the EngineerMenu option with the same result (found guides that stated needing to be on B160 or B161 before making the jump to Nougat). Eventually I decided to unlock the bootloader and install Nougat through TWRP and followed the obeygeekupdate-huawei-p9-lite-to-android-7-0-nougat-manually guide (can't post links ) on manually installing Nougat (stupidly never paying attention to the fact that it's a beta build guide). I've installed TWRP to the device again using the P9 Lite Toolkit v0.0.0.11 found here on XDA (used this when on MM however the upgrade seemed to restore the stock recovery) with the idea of downloading the build from the ministryofsolutions huawei-p9-lite-vns-l31-nougat-b371-update-stable-europe page and pushing that to the device instead (however now the device doesn't want to boot into recovery)
Now my only concern is, will this work? I've noticed a bit of commenting going back and forth on the ministryofsolutions site which essentially boiled down to the need for debranding the phone (apparently C19 is MTN South Africa specific and I need to debrand it and get it onto C432 Europe before mucking about with Nougat, but alas to late) which seemed to be something I should have done while on MM still. If I can find a full firmware link for VNS-L31C16B120 can I flash that through TWRP without needing to follow any prerequisite steps? So far nothing that I've tried to flash using the three button method has worked, I'd just like to get back onto an official stable firmware again.
Any advice will be appreciated
Click to expand...
Click to collapse
you need to install nougat recovery, not the one from the toolkit. then twrp will work and the device will boot.
to go back to 120 you need to install oeminfo, and then the update.app

mjz2cool said:
you need to install nougat recovery, not the one from the toolkit. then twrp will work and the device will boot.
to go back to 120 you need to install oeminfo, and then the update.app
Click to expand...
Click to collapse
Thank you for the reply, managed to come right a few hours after posting. Turned out the copy of TWRP that I had on hand was more outdated than I thought, downloaded the newest copy and that worked on the device. Additionally I managed to find a website listing just about every firmware for the phone (Including my original MTN ZA specific variant) so I downloaded that and managed to restore the phone using the three button method. Phone is back to stock now and even the unlocked bootloader nag screen is gone so I'm guessing the bootloader is locked again as well One day when I'm brave enough to attempt this again I'll look at debranding the phone and getting it onto a C432 based ROM before getting it onto Nougat again.

phone bricked
hello guys! im currently on lineage os 14.1 by meticulus, i wanna revert back to stock mm but i cant. i flashed the custom rom from mm using twrp recovery by meticulus, but now i cant even boot into erecovery! can you pls help me!:crying: DLOAD method doesnt work!

P9 Lite VNS-L31 - Can't upgrade to nougat after rollback

Hi all,
i own a p9 lite that was on Nougat VNS-L31C432B381 and i decided to rollback to MM. Following Huawei website instructions I downloaded two packages (rollback package and MM) and with 3 buttons method I flash first the rollback package and then MM. All went right and the ROM was stable. After a while of testing (that's why i went to MM), I decided to upgrade to nougat again. From updater it download and install the new android version (1.25 GB). After reboot I noticed that some system app was missing (file manager first). At every reset/factory reset some system app disappear. I repeated the procedure to rollback and upgrade again with the same result. The only way to use the device was to reflash MM and don't upgrade. Here some information I found:
- my starting version was Nougat VNS-L31C432B381
- now I'm on VNS-L31C432B160 (B160 isn't for dual sim? i have the single sim version) stock recovery bootloader locked
- updater try to install VNS-L31C432B370 (instead of B371?)
- if I try upgrade throught updater SN became something like ndr90 test key
- I tried to restore data,syste,vendor,oeminfo ecc.. from backups made with TWRP in Nougat (maybe wahile i was on MM, I'm not sure). It show the correct SN but ROM was still unstable
- I thought to try install full Nougat ROM but i didn't find any package
Can someone help me?
Thank you

The B37x update that the phone automatically finds after rollback doesn't work and will take you to ndr90 test key as you found out B160 is dualsim so you should flash the 161 one. Then use this guide to update through firmwarefinder/proxy https://forum.xda-developers.com/huawei-p9lite/how-to/how-to-b388-nougat-maybe-b381-guide-t3612072
If you want to unlock your bootloader you can also flash B3xx through twrp. If not, the guide above works fine.

Mara-X said:
The B37x update that the phone automatically finds after rollback doesn't work and will take you to ndr90 test key as you found out B160 is dualsim so you should flash the 161 one. Then use this guide to update through firmwarefinder/proxy https://forum.xda-developers.com/huawei-p9lite/how-to/how-to-b388-nougat-maybe-b381-guide-t3612072
If you want to unlock your bootloader you can also flash B3xx through twrp. If not, the guide above works fine.
Click to expand...
Click to collapse
Hi Mara-X and thank you for you answer.
After I write the post i found the B161 package and i decided to give it a try. After flash (all ok) I launched updater again and it download the B371. The update went well and now i'm updating at B381 again throught updater. I think, when it was done, i'll factory reset the device for a clean install. So it seems the problem was B160/161 -single/dual version.

Relocked bootloader only boots into eRecovery :/

Hey guys. So this is my final conclusion over my 200 posts I made without any response.
Id like to update my phone to VKY-L09c432B369. My phone is rooted with TWRP3.1.1(i think) and custom kernel (that famous one for huawei p10 plus, just check the forums) and Magisk. Also unlocked bootloader.
But none of the methods avaible to do to update my phone is working.
-dload not working.
-flash zip in twrp not working
-hwota8 method not working
-force power-sound lower-sound higher update not worknig
So I was like f*ck it lets just relock the bootloader and let's install the update that way, right? It should work, right?
But when I "fastboot relock oem xxxxxxxxxxxxxxxxx" my phone only launches into eRecovery. Any idea how to fix it?
I toughed of boot.img reflash but that just doesn't work because in the VKY-L09C432B365 (version I have atm,) there's no boot.img so Idk what to do.
I'd really like this update because it adds face unlock
Thanks for any help.

My experience with oreo:
dload: doesn't work
hwota: doesn't work
force update: doesn't work
There are two methods that works
1) Firmware finder + erecovery click here
2) Flash full firmware with twrp:
Update Oreo to higher Oreo
https://www.androidfilehost.com/?fid=962157660013070538
Open zip and copy OREO_FLASH Folder to your external sd card.
Download your wanted firmware and copy into OREO_FLASH folder. Update.zip leave as it is and rename update_data_full_public to update_data_public and the last one to update_all_hw
Then flash oreo_update.zip in OREO_FLASH folder with TWRP
Hope it works for you, I have a P10, this week I ended with frp lock and bricked system and only erecovery, with Firmware finder method I fixed it.
ADVICE: Never relock your bootloader if you are not in stock firmware (a working firmware)
If you need help, this is my telegram @SwitchFoot

Nova Plus MLA-AL10 signal and flashing

Hi, I met some problems with my Nova plus mla-al10.
In short, the phone cannot boot and I need help with getting the offical emui5.0 dload upgrade package. (probably)
Below is the whole story:
1. The phone is unlocked.
2. Upgraded emui4 180 to emui5 in the emui4 system. The system indicated the target version is emui5 352. After updated, my version turned into NRD 90M test-keys without many huawei custom apps. ( I think it's because of the lack of data-update package, but it's too late now)
3. I tried to solve the version problem and I flashed the phone through fastboot with RECOVERY, BOOT, SYSTEM & CUST extracted from the downloded update packages. ( First 358, later I tried several other versions, same failing)
4. Then I cannot boot my phone. Just enter erecovery after 2nd reboot, and I cannot get the Rom downloaded through erecovery. Error reported.
5. Then I tried the dload update mode with a certain emui4 dload rom which I can only got from the internet for the MLA version. I cannot make sure what the ROM version was, like b122 or b133, emui4. I failed during update in the official recovery. 5%, 45% ,several times.
6. So I tried to use the twrp and both lineage and asop rom from #Henkate. Thank you #Henkate, the phone booted again. The system worked fine, except for one problem: When I use the China mobile(TD-LTE) and China unicom(WCDMA/LTE), I cannot dial out or dial in ( busy line). The sms and data(internet) worked fine. The signal is good. The sim card seemed to be successfully registered. China telecom seems worked fine(FDD-LTE) with dialing, sms and network. By the way, the china telecom simcard is the first card I used in the first lineage's first boot. I just found it abnormal with the problem above recent days.
7. Then I flashed the asop from #Henkate after wiping the system, cache and data. The same problem.
8. Now I cannot get where the problem is. I guess maybe the baseband software got wrong, so I wanted to flash the modem.img into the phone. The only way I think possible is to flash the dload package with version above 358 (or 360 which I also flashed through fastboot)through the huawei official recovery. The question is where I can get the package and is it the right thing to do? If not, how can I get back to the offical EMUI or other roms functioning normally?
Please help!
Thank you in advance!

relock bootloader+rom stock+encryption unsuccessfull !!

Hello, I have a 2016 p9 lite. I would like to sell it. So I would like to re-lock the bootloader and re-install the original rom.
build number: VNS-L31C432B412
version of EMUI: 5.0.1
Android 7.0 version
How should I do it ? Where can I get the original rom?
Currently I have twrp elite 3.1.1.1 installed and it refuses to boot on the system because: "encryption unsuccessfull: encryption was interrupted and can't complete. As a result, the data on your phone is no longer accessible.
Please help

toto6976 said:
Hello, I have a 2016 p9 lite. I would like to sell it. So I would like to re-lock the bootloader and re-install the original rom.
build number: VNS-L31C432B412
version of EMUI: 5.0.1
Android 7.0 version
How should I do it ? Where can I get the original rom?
Currently I have twrp elite 3.1.1.1 installed and it refuses to boot on the system because: "encryption unsuccessfull: encryption was interrupted and can't complete. As a result, the data on your phone is no longer accessible.
Please help
Click to expand...
Click to collapse
Try to install Service ROM from SD card using dload method.
Link:
https://androidhost.ru/41d
Follow instructions in file "ReleaseDoc". (Read everything carefully before doing anything).
Through this process, your data will be deleted and bootloader will be locked again.
Dload method works with Stock Recovery only, you have to install Stock Recovery first.

toto6976 said:
Hello, I have a 2016 p9 lite. I would like to sell it. So I would like to re-lock the bootloader and re-install the original rom.
build number: VNS-L31C432B412
version of EMUI: 5.0.1
Android 7.0 version
How should I do it ? Where can I get the original rom?
Currently I have twrp elite 3.1.1.1 installed and it refuses to boot on the system because: "encryption unsuccessfull: encryption was interrupted and can't complete. As a result, the data on your phone is no longer accessible.
Please help
Click to expand...
Click to collapse
Hey dude !!
So you bricked the device ....
I don't know why but if you want B412 firmware
you can use @-Alf- guide and re-upgrade via Firmware Finder
to B370 fullota-mf-pv first, then to B412 fullota-mf...
Or download a previous from B412 firmware (ex: VNS-L31C432B410 fullota-mf)
and use HuRupdater method to flash the firmware.
Extract then stock recovery from B410 via Huawei Extractor and flash it via TWRP.
Re-update finally to B412 using Firmware Finder.
I can help you doing this, worked on my ex device but i can't guarantee 100%.
Cheers

Dadditz said:
Hey dude !!
So you bricked the device ....
I don't know why but if you want B412 firmware
you can use @-Alf- guide and re-upgrade via Firmware Finder
to B370 fullota-mf-pv first, then to B412 fullota-mf...
Or download a previous from B412 firmware (ex: VNS-L31C432B410 fullota-mf)
and use HuRupdater method to flash the firmware.
Extract then stock recovery from B410 via Huawei Extractor and flash it via TWRP.
Re-update finally to B412 using Firmware Finder.
I can help you doing this, worked on my ex device but i can't guarantee 100%.
Cheers
Click to expand...
Click to collapse
Please read carefully, Maestro :
"I would like to sell it. So I would like to re-lock the bootloader and re-install the original rom."
Piece.

Hello,
I reinstalled the custom rom that I found on the net: C432B414 with Hurupdater.
It works.
However, the bootloader is still unlocked ... however, I would like to return to the factory configuration with the bootloader locked.
https://www.cjoint.com/c/JItgZO6GuGB
I have the stock recovery install :
https://www.cjoint.com/c/JItg7SqQmdB
I am currently downloading the file indicated by this link : https://androidhost.ru/41d
In the file provided by Alf, there are two files:
'HUAWEI P9 Lite Android7.0 rollback to Android6.0 operation instruction'
'HUAWEI VNS-L31C432B416 Software Upgrade Guideline'
which one do I choose

toto6976 said:
I am currently downloading the file indicated by this link : https://androidhost.ru/41d
In the file provided by Alf, there are two files:
'HUAWEI P9 Lite Android7.0 rollback to Android6.0 operation instruction'
'HUAWEI VNS-L31C432B416 Software Upgrade Guideline'
which one do I choose
Click to expand...
Click to collapse
Unpack downloaded .zip package, you will see two files - ReleaseDoc and Software. Open "Software" and unpack SDUpdate_Package.tar.gaz. Transfer file dload to SD card and follow instructions - there is 'Software upgrade guidline' in file ReleaseDoc.
Edit.:
You can also safely lock BL with OEMINFO flashing and rollback to A6:
-Download OEMINFO:
https://mega.nz/#!xhEwFYLZ!Sv2nB5GERB_js76sAUWxj8hQgsjnf_YPobVbtrxpCew
Transfer it to the SD Card.
Download VNS-L31C432B160 fullupdate.zip:
http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1164/g104/v66015/f1/full/update.zip
Create a folder dload on your SD , unpack downloaded .zip file and copy it to the dload folder.
Install TWRP 3.1.0-2:
https://mega.nz/#!EsESQQhK!uc_lfXEfDW6U7Lq2VeNOYq5OWUID0G-YyhK-oUL4deU
using command
fastboot flash recovery2 twrp.img (OVER eRECOVERY!) , boot in TWRP, fĺash oeminfo.zip , go back to TWRP's main menu, select Reboot and Power Off. Then use three button combo and flash firmware from dload. Your phone will running A6 with locked bontloader. If you want, you can upgrade back to A7 via OTA update or using Fipmware finder.