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Stuck On NRD90M test keys Help

Hey guys ive been stuck on NRD90M test keys for a while i have a nxt-l29 i installed nougat manually via twrp and the build number was NRD90M ive tried dload for several firmwares but all fail at 5% the roll back packages wont work either if anyone can help i would appreciate " bluetooth doesnt work and other major issues like app crashing and random freezing "
thanks in advance

nad.j said:
Hey guys ive been stuck on NRD90M test keys for a while i have a nxt-l29 i installed nougat manually via twrp and the build number was NRD90M ive tried dload for several firmwares but all fail at 5% the roll back packages wont work either if anyone can help i would appreciate " bluetooth doesnt work and other major issues like app crashing and random freezing "
thanks in advance
Click to expand...
Click to collapse
You need roll back package for L29. It will be around 90 mb. Put it in dload folder in sdcard. Then go to dialer and type *#*#2846579#*#* and then select software upgrade. It will reboot and will undergo that process or you can do that three finger process. Once it is done you can reboot back to your OS. This time put the B1xx or B3xx firmware in dload folder and try to do that again. It will go back.
In my case I went back from L29C432B560 to L29C432B180 doing this way. I am saying this from my personal experience. Key here is the rollback package from Huawei. It is there in one of the threads or you can google Huawei rollback package. Once you get that you resolve your issue.
Another thing I observed is locked bootloader.
Hope it works out for you.

Samavb said:
You need roll back package for L29. It will be around 90 mb. Put it in dload folder in sdcard. Then go to dialer and type *#*#2846579#*#* and then select software upgrade. It will reboot and will undergo that process or you can do that three finger process. Once it is done you can reboot back to your OS. This time put the B1xx or B3xx firmware in dload folder and try to do that again. It will go back.
In my case I went back from L29C432B560 to L29C432B180 doing this way. I am saying this from my personal experience. Key here is the rollback package from Huawei. It is there in one of the threads or you can google Huawei rollback package. Once you get that you resolve your issue.
Another thing I observed is locked bootloader.
Hope it works out for you.
Click to expand...
Click to collapse
hey man the *#*#2846579#*#* doesn't open anything on my phone and i tried dload to rollback using the volume up volume down and power and i get installation failed any other tips ? i downloaded alot of softwares nothing seems to work can u give the the specific software you used ?

nad.j said:
hey man the *#*#2846579#*#* doesn't open anything on my phone and i tried dload to rollback using the volume up volume down and power and i get installation failed any other tips ? i downloaded alot of softwares nothing seems to work can u give the the specific software you used ?
Click to expand...
Click to collapse
Which rollback are you using?

nad.j said:
hey man the *#*#2846579#*#* doesn't open anything on my phone and i tried dload to rollback using the volume up volume down and power and i get installation failed any other tips ? i downloaded alot of softwares nothing seems to work can u give the the specific software you used ?
Click to expand...
Click to collapse
Go to this link
http://m.huawei.com/mymobile/consumer/support/downloads/index.htm
And select the last one L29C900B500
That is the one I used.
If that code doesn't work then try the 3 finger rule
After you do with this rollback package
You will once again come back to nougat
You can check the build number if the process is successful.
Then you have to dload again to B180 or B3xx
Hope this works for you

Samavb said:
Go to this link
http://m.huawei.com/mymobile/consumer/support/downloads/index.htm
And select the last one L29C900B500
That is the one I used.
If that code doesn't work then try the 3 finger rule
After you do with this rollback package
You will once again come back to nougat
You can check the build number if the process is successful.
Then you have to dload again to B180 or B3xx
Hope this works for you
Click to expand...
Click to collapse
i downloaded the c900b500 and when i tried to install it gave me incompatible update... failed at 5%

dexz said:
Which rollback are you using?
Click to expand...
Click to collapse
i used the nxt l29c900b500 and failed at 5% every time it gives me incompatible update ...

nad.j said:
i used the nxt l29c900b500 and failed at 5% every time it gives me incompatible update ...
Click to expand...
Click to collapse
i get this

nad.j said:
i get this
Click to expand...
Click to collapse
What's your original region?
Did you try to install update_data.zip again via twrp?

dexz said:
What's your original region?
Did you try to install update_data.zip again via twrp?
Click to expand...
Click to collapse
its m.e.a
and tried to install using twrp but i get alot of failed nd unable to mount etc

nad.j said:
its m.e.a
and tried to install using twrp but i get alot of failed nd unable to mount etc
Click to expand...
Click to collapse
Which twrp version are you using?
Which partition was failed to mount?
Did you format data before install?

dexz said:
Which twrp version are you using?
Which partition was failed to mount?
Did you format data before install?
Click to expand...
Click to collapse
im using twrp 3.0.3-0 nd all format attempts fail

nad.j said:
im using twrp 3.0.3-0 nd all format attempts fail
Click to expand...
Click to collapse
Please use twrp 3.0.2 (Nougat) . Twrp 3.0.3 is broken.
You can get it from here. https://forum.xda-developers.com/ma...ot-nougat-mate-8-phh-superuser-t3570898/page2

dexz said:
Please use twrp 3.0.2 (Nougat) . Twrp 3.0.3 is broken.
You can get it from here. https://forum.xda-developers.com/ma...ot-nougat-mate-8-phh-superuser-t3570898/page2
Click to expand...
Click to collapse
should i format then install the rollback

nad.j said:
should i format then install the rollback
Click to expand...
Click to collapse
Don't think it will make any difference. You may try to install update.zip (EMUI 4.0) via twrp.
Just checking. Is your FRP unlocked?

dexz said:
Don't think it will make any difference. You may try to install update.zip (EMUI 4.0) via twrp.
Just checking. Is your FRP unlocked?
Click to expand...
Click to collapse
i formated the device and using twrp 3.0.2 tried to install rollback pack and the 6.0 software but i kept getting i kept getting this "could not find meta inf com google android update binary in the zip file huwaei " and then i tried to format system then flash 6.0 still got the same error and now i re installed the nrd90m since it got stuck on the huawei logo and still nothing is working out

nad.j said:
i formated the device and using twrp 3.0.2 tried to install rollback pack and the 6.0 software but i kept getting i kept getting this "could not find meta inf com google android update binary in the zip file huwaei " and then i tried to format system then flash 6.0 still got the same error and now i re installed the nrd90m since it got stuck on the huawei logo and still nothing is working out
Click to expand...
Click to collapse
Can you boot to bootloader and check if FRP is unlocked or lock?
Make sure your original firmware (6.0) is full not ota.

dexz said:
Can you boot to bootloader and check if FRP is unlocked or lock?
Make sure your original firmware (6.0) is full not ota.
Click to expand...
Click to collapse
whats frp ?

How to Rollback from Nougat to Stock - Mate 8 - L29
nad.j said:
i downloaded the c900b500 and when i tried to install it gave me incompatible update... failed at 5%
Click to expand...
Click to collapse
I had the same problems.
option 1
I downloaded stock B560 zip files
flashed it in TWRP
next I locked the bootloader
now the dload to rollback - worked. buildnumber - changed
then another dload to B180 to go back.
after that I did dload to B190
updated to B560 using system update. then I flashed kangvip B577 and its all good now.
my phone was debranded to L29c432 so I used these files.
you have to get the right set of files for your phone model especially stock firmware.
roll back package from here
http://m.huawei.com/mymobile/consumer/support/downloads/index.htm
locked bootloader and stock recovery did the trick for me.
hope it works out for you. :good:

nad.j said:
whats frp ?
Click to expand...
Click to collapse
You can change by switch off your phone then press volume down and plug in your usb cable. It will bring you to bootloader mode. From there it will tell you bootloader and FRP status

Plz i need some help with my Mate 8

hi friends,
I just bought Mate 8 l29C636 it was with firmware B103, i update it to B193 and all work like a charm.
My problems begin when i saw a tuto about Firmware Finder to update my mate 8 to B563 Nougat 7.
i launch download with proxy method and installed like a charm after that i want to wipe my data to have fresh mate 8 with emui 5 and android 7 and there i had a error message and wipe data failed , i cant launch my mate 8 after that i had message with red color.
i try to rollback with HUAWEI_Mate8_NXT-L29_Rollback_Package_from_EMUI5.0+Android7.0 rollback to EMUI4.0+Android 6.0_C900B500
and after to install HUAWEI_Mate_8_Firmware_NXT-L29B_Andriod 6.0_EMUI 4.0_C636B193_05013LYB and it installed witout error.
but when i launch my mate 8 i accept term and all bu i lost keyboard and its look like my mate 8 dont change version always on nougat 7.
help how can i solve this problem plz and i dont have unlocked bootloader.

Did u try dload official mm for your region

h4ni said:
Did u try dload official mm for your region
Click to expand...
Click to collapse
i install it but after that i lost themes and some options and icons are so big how can i solve it plz friend

when i do wipe factory data , in reboot i have this message never see before
your phone has been encrypted with logo android and after it reboot but without theme solved

PROBLEM SOLVED WITH UNLOKING BOOTLOADER AND INSTALLING TWRP RECOVERY Finaly i root the Mate 8.
thanks for help

walidovich02 said:
when i do wipe factory data , in reboot i have this message never see before
your phone has been encrypted with logo android and after it reboot but without theme solved
Click to expand...
Click to collapse
To solve them problen , you need to unlock bootloader and you have two way
1- flash userdata.img you can use huawei extractor to get it
And then flash userdata.img using fastboot
2-user srk tools to push userdata
From utulity option

walidovich02 said:
hi friends,
I just bought Mate 8 l29C636 it was with firmware B103, i update it to B193 and all work like a charm.
My problems begin when i saw a tuto about Firmware Finder to update my mate 8 to B563 Nougat 7.
i launch download with proxy method and installed like a charm after that i want to wipe my data to have fresh mate 8 with emui 5 and android 7 and there i had a error message and wipe data failed , i cant launch my mate 8 after that i had message with red color.
i try to rollback with HUAWEI_Mate8_NXT-L29_Rollback_Package_from_EMUI5.0+Android7.0 rollback to EMUI4.0+Android 6.0_C900B500
and after to install HUAWEI_Mate_8_Firmware_NXT-L29B_Andriod 6.0_EMUI 4.0_C636B193_05013LYB and it installed witout error.
but when i launch my mate 8 i accept term and all bu i lost keyboard and its look like my mate 8 dont change version always on nougat 7.
help how can i solve this problem plz and i dont have unlocked bootloader.
Click to expand...
Click to collapse
Hi there
I am planning to do the same as I am on NXT-L29C636B193 at the moment...
I want to update to the latest then do a factory reset? Is that what you meant by wipe data?
How did you wipe the data? Through settings or in recovery or fastboot?
Thanks

Don't getting update to B560 again

My Mate 8 L29 is currently on C432B192 again. I said 'again', because I was already three or four times on EMUI 5. (I tried to root it but it failed Everytime, so I had to rollback)
Yesterday I wanted to try again to root B560 and began to search for the update, but - nothing. I tried it via update app , HiCare app and HiSuite on PC. I don't get the update offered. (I also deleted data and cache of those apps)
I'm currently rooted, so I tried to unroot, install stock boot image and recovery .. but same problem: still not getting the update.
Now I'm wondering why this is happening .. I had that same case before (B192, rooted etc.) and I always got that update offered.
Does anyone have a solution for this ? ( Except the manually method via TWRP .. this was never working for me)
Thank you for your help!

Hello everyone ...
I was trying to root my mate 8 next+L29c185b560 ... And I did with twrp
But I lost all huawie apps like hw care and backup and a lot ... And there is no keyboard and Bluetooth not working ... How can I get my phone to his original state ??? Without root without twrp but with all functions ??? Can any one guide me ?

Rollback from Huawei Mate 8 - Nougat to Stock
kingyourii said:
Hello everyone ...
I was trying to root my mate 8 next+L29c185b560 ... And I did with twrp
But I lost all huawie apps like hw care and backup and a lot ... And there is no keyboard and Bluetooth not working ... How can I get my phone to his original state ??? Without root without twrp but with all functions ??? Can any one guide me ?
Click to expand...
Click to collapse
You need rollback package to get it back to normal.
Since your model is L29 & you are nougat.
Go to this site http://consumer.huawei.com/sg/support/products/downloads/detail/mate-8-sg.htm?id=91647
Download the file
Extract the update.app
Make a folder on your sdcard and name it as dload
put this update.app in that sdcard
now you do the dload method
you can do it two ways
one way is
the 3 finger rule while bootup
just press volume + volume - power button together and hold until you see EMUI verifying package
then release your fingers
it will rollback to marshmallow
now you have to update it to another stock firmware (marshmallow)
remember at this point it is in global firmware it might show build number as C900 or something.
you can check it in the settings - about -> build number
you have to then update it to your model firmware
L29C185BXX
I found the stock firmware from another thread for your model
This is L29C185B200
http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1076/g104/v65326/f1/full/update.zip
once again
download the file,
extract the update.app &
then put the update.app in dload folder on your sdcard
and then do dload method.
second way of dload is
open dialer
type *#*#2846579#*#*
click on "software upgrade"
and then -> SDcard upgrade
follow the instructions on the screen
and it will finish the dload method in next few minutes.
That's it. now you will be on Stock ROM with fully functional OS.
after this you will either get OTA updates or you can download using HiCare
or you can download the stock firmware from another thread
or
you can use firmware finder to get stock firmware for your phone. Get the latest version.
If you finish all these steps then I will tell you how to get to nougat if you have any trouble
Hope you find this information useful.
Lot of effort goes into typing these posts. Please don't forget to click on :good::good::good::good::good: for my posts.
---------- Post added 29th April 2017 at 12:11 AM ---------- Previous post was 28th April 2017 at 11:27 PM ----------
Calvin1997 said:
My Mate 8 L29 is currently on C432B192 again. I said 'again', because I was already three or four times on EMUI 5. (I tried to root it but it failed Everytime, so I had to rollback)
Yesterday I wanted to try again to root B560 and began to search for the update, but - nothing. I tried it via update app , HiCare app and HiSuite on PC. I don't get the update offered. (I also deleted data and cache of those apps)
I'm currently rooted, so I tried to unroot, install stock boot image and recovery .. but same problem: still not getting the update.
Now I'm wondering why this is happening .. I had that same case before (B192, rooted etc.) and I always got that update offered.
Does anyone have a solution for this ? ( Except the manually method via TWRP .. this was never working for me)
Thank you for your help!
Click to expand...
Click to collapse
You are rooted & if I read correctly you also have TWRP installed.
If you are unlocked, rooted & have TWRP - then you can install custom roms.
but if you want stock roms, - you need Stock ROM, Stock Recovery, Locked bootloader.
First you need the rollback package from EMUI4.1 to EMI 4.0 for L29C432 is below
https://www.hidrive.strato.com/lnk/0mlDFqqy
Rollback package for L29 to downgrade from EMUI 5.0 to EMUI 4.0 marshmallow is
http://consumer.huawei.com/sg/support/products/downloads/detail/mate-8-sg.htm?id=91647
So choose the right version based on the firmware you are having on your phone. If you have nougat choose the second link and if you have any other version then choose the first link.
Download the file, extract the update.app
then you have to do dload method
create a folder named dload and put update.app in sd card
then
go to dialer
press *#*#2846579#*#*
select
sdcard upgrade
and then say yes
that's it
you will come back to stock (global) version. build version will be C900BXX
now you need stock firmware for L29C432
you can download the stock firmware from here. Below tis the link for L29C432B180
http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1076/g104/v51244/f1/full/update.zip
Stock firmware for L29C432B192
http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1076/g104/v63059/f1/full/update.zip
Here you have the option to either go for L29C432B180 or L29C432B192. (if you choose B192, then you will save time and reduce few steps, because you will get system update to B560 immediately once you change the region to Ireland in Hicare app)
do the dload method again
extract the file, put the file in dload folder in sdcard ,
either use dialer or use 3 button rule to finish the dload process
now you are on L29C432B180. / L29C432B192
From here you can use another dload method to go to B192 - > system update (OTA) -> B560 or B580
if you get a blank screen - > do factory reset
if you get "verification failed " in red color - > unlock bootloader again and proceed with the steps.
This rollback package will save you in case of any problems.
Once you go to nougat B560
you can update to Kangvip B577 - pre rooted rom - its awesome - Root stable , excellent battery lfie. - everything is working perfectly.
I will give you those steps and links if you succeed in getting to B560 after all these steps.
I am sorry that this is a very long post and many steps but I can assure you that it is worth.
Ultimately you will get to nougat & with full root using Kangvip B577.
Hope you succeed
Lot of effort goes into typing these posts. Please don't forget to click on :good::good::good::good::good: for my posts. it encourages me to help more and answer more Qs

Honor 8 problems faced while relocking bootloader and returning to stock EMUI.

Hie Guys
Good day
I have an india version of honor 8 FRD-L02 with noghat B340 update (latest in india).
I ran into a problem when i tried to return back to full stock and locked bootloader.
Things i did which didnt helped :
1. Had unlocked Bootloader and TWRP (latest).
2. Taken full backup of my stock EMUI 5.0 rom in twrp.
3. Used custom roms for a while and now while returning back to full stock i restored the old EMUI 5 backup and i was back on EMUI 5 fully functioning.
4. Flashed Stock EMUI 5 recovery and it flashed well.
5. Now i am on stock emui rom and stock recovery now i wanted startup warnings to vanish.
6. I tried to relock bootloader via fastboot and it asked for full wipe...and fone formatted itself via factory reset and on restart no warnings of unlocked phone but the fone booted into Erecovery with a warning that data partition needs to be formatted.
tried formatting but as i reset my fone, the fone goes back to stock recovery and doest start.
but if i unlock bootloader again, the fone boots up fine after the warning message.
Can anyone help me to go back to full stock with no startup warnings.??
thanks

you can try booting into bootloader
flash twrp
format data
boot to bootloader
flash stock recovery
boot to system
(you may still have the warning message as bootlaoder will be in relocked state)

If you want your phone locked and not re-locked, provided that you are starting from nougat and your bootloader is unlocked: use rollback package and then flash an emui 4 firmware image, your bootloader will be locked not relocked

Download the latest firmware from here: http://www.hihonor.com/in/support/
Then using my guide here:
https://forum.xda-developers.com/honor-8/how-to/restoring-relocking-bricked-frd-l04-t3666360
Flash it on ur phone. After that u will be on marshmallow. Then do a full update and u will be on Nougat with a locked bootloader.
Sent from my Honor 8 using XDA Labs

ayush rao said:
Download the latest firmware from here: http://www.hihonor.com/in/support/
Then using my guide here:
https://forum.xda-developers.com/honor-8/how-to/restoring-relocking-bricked-frd-l04-t3666360
Flash it on ur phone. After that u will be on marshmallow. Then do a full update and u will be on Nougat with a locked bootloader.
Click to expand...
Click to collapse
Unfortunately, Huawei removed all sdcard packages/firmwares

PalakMi said:
Unfortunately, Huawei removed all sdcard packages/firmwares
Click to expand...
Click to collapse
He can still get it from MT website

PalakMi said:
Unfortunately, Huawei removed all sdcard packages/firmwares
Click to expand...
Click to collapse
Huawei did it but not Honor. All the rollback packages and full firmwares can still be found on their website.
Sent from my Honor 8 using XDA Labs

ayush rao said:
Huawei did it but not Honor. All the rollback packages and fill firmwares can still be found on their website.
Click to expand...
Click to collapse
I thought both did, that's great

Glad honor didn't removed their firmware's . lucky guys .

gopinaidu77 said:
Glad honor didn't removed their firmware's . lucky guys .
Click to expand...
Click to collapse
So no more purchase of Huawei but can continue with Honor

shashank1320 said:
So no more purchase of Huawei but can continue with Honor
Click to expand...
Click to collapse
The company goes down.

Rollback to emui 4.1 for best battery

There is no rollback package for honor 6x india version so this guide may be helpful.
when i bought this device 2 years before battery life is amazing. it charges faster and drains slower on emui 4.1 then i have upgraded to emui 5 and flashed all the available custom roms also upgraded to emui 8 then tried lot of android pie gsi roms but none of these roms gave good battery life compared to emui 4.1
when on emui 4.1 sound mods and xposed works but after upgrading to emui 5 xposed gone after upgrading to emui 8 sound mods gone.
if you are in emui 8 use huru to downgrade to emui 5.
if you are in emui 5 then install elite twrp recovery.
then follow this guide to debrand to BLN-L21
https://forum.xda-developers.com/honor-6x/how-to/guide-successful-debranding-to-bln-t3701050
all you need to do is flash elite twrp. now extract the update.zip then copy the update.app into dload floder in external sd card then extract oeminfo of bln-l21c432b360 then rename oeminfo to oeminfo.img then go to elite twrp go to install select install img select oeminfo after flashing hit reboot then press and hold volume up and down it will start installing. after that do factory reset then extract data file contents to dload folder and flash using volume up and down buttons. now you will have Bln-l22c432B360 build number.
now follow this tutorial to rollback to emui 4.1
https://fonegyaan.com/downgrade-honor-6x-android-nougat-marshmallow/
after downgrade to emui 4.1 battery life was amazing. it lasts very longer. i have tested and compared with all emui versions. on emui 8 overnight battery drain is upto 10% on emui 5 its upto 5% drain on overnight but in emui 4.1 which is zero. it stays at same exact percentage where i left at night. gsi roms also giving best battery life but they took upto 4 hours to charge the battery but emui 4.1 charges really faster and stays longer. viper4android and xposed working fine. pubg mobile sometimes lag there is a noticeable performance difference in pubm but pubm Korean version runs smooth as butter.

what is the build no. after downgrade to marshmallow??

Help needed
Actually i got sticked on open kirin rom, and getting no way to revert back to stock.
Can you please help me, I am also on Telegram.
Please help.
Username: me_puneet

Aditya Tondwalkar said:
what is the build no. after downgrade to marshmallow??
Click to expand...
Click to collapse
i tried my best to get india build number by flashing india oem info on emui 4.1 but it wasn't working. previously on emui 4.1 build no is bln-l21c432b151 now its bln-l22c900b151. but this gives a good battery life but can't play pubg like games. now im going back to android pie.

me.puneet8877 said:
Actually i got sticked on open kirin rom, and getting no way to revert back to stock.
Can you please help me, I am also on Telegram.
Please help.
Username: me_puneet
Click to expand...
Click to collapse
download emui 8 india version from firmware finder. then use hwota 8. try both methods like using script and sd card if none of those work do formate data and flash again. if your device is not detected on you pc then disable driver signature enforcement on your pc. still not working then use huru to flash stock emui 8.
i will not recommend huru untill hwota 8 not working because small mistake in huru your device will brick. my device got bricked two times with huru. but its good for downgrade from emui 8 to emui 5.

Ramesh006 said:
download emui 8 india version from firmware finder. then use hwota 8. try both methods like using script and sd card if none of those work do formate data and flash again. if your device is not detected on you pc then disable driver signature enforcement on your pc. still not working then use huru to flash stock emui 8.
i will not recommend huru untill hwota 8 not working because small mistake in huru your device will brick. my device got bricked two times with huru. but its good for downgrade from emui 8 to emui 5.
Click to expand...
Click to collapse
Can you please help me out on telegram or any other platform. Please