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Huawei P8 [GRA-UL10 & GRA-UL00] How to upgrade to Marshmallow [China]

If you are like me, a strange owner of the china version (I got it as a gift from china) you also probably saw that other regions got it but the china region (C00BXX) is not getting any love, in china, for some reason, it is only available if you signed for the beta test program, but not anymore. This will not be a comprehensive guide since my main language is not English but some basic steps you MUST follow.
Edit: It seems that Huawei now allows you to upgrade without being in the program just follow this steps: http://forum.xda-developers.com/showpost.php?p=67959028&postcount=4 (It says it is for GRA-UL00 but should work for UL10 too) if it works ignore the next steps.
All steps are important do NOT skip any, I also assume you know how to install firmwares (copying the zip or update.app in dload folder).
You must be on C00B220 if you are on B230 downgrade it to B220 (you can download it here http://emuirom123.dbankcloud.com/GRA-UL00-UL10_EMUI3.1_Android5.0_B220.zip?rid=2082. Also if you have root you should also do a clean install again.
After that install this firmware https://drive.google.com/file/d/0B5nCMmhHnLDNSlhYb0R5MnozX2M/view. Don't extract it, copy update.zip to dload folder in sdcard and install it. I searched for this file for many many hours and had to translate a lot of chinese pages to give it to you, you now have Marshmallow, but it is too outdated (B320).
Now, make sure you have the latest version of HiSuite, update it if needed. Connect your phone with the instructions given in HiSuite. In HiSuite click "Update" and it should find the latest version.
Now just sit and relax, after that you have the latest version of android on your chinese P8

Good Morning .I am also a strange European owner of chinese P8.
http://emuirom123.dbankcloud.com/GRA...0.zip?rid=2082 is not working

manospr said:
Good Morning .I am also a strange European owner of chinese P8.
http://emuirom123.dbankcloud.com/GRA...0.zip?rid=2082 is not working
Click to expand...
Click to collapse
Good morning. Oh, messed up when pasting the link, it is now corrected.

fede011 said:
Good morning. Oh, messed up when pasting the link, it is now corrected.
Click to expand...
Click to collapse
Τhanks a lot,man

Today a new firmware came to my P8 Premium. GRA-UL10COOB358

does this work only on Asian/Chinese ROMs?
I am looking to switch over from the Asian/Chinese ROM that came with the phone by default to an English/European ROM or something.
How would do I that?

Crazy Serb said:
does this work only on Asian/Chinese ROMs?
I am looking to switch over from the Asian/Chinese ROM that came with the phone by default to an English/European ROM or something.
How would do I that?
Click to expand...
Click to collapse
You cannot change from Asian Region to another region like Europe because you are going to brich your phone.
I found this old site http://www.carbontesla.com/2015/09/how-to-change-region-of-your-huawei-honor-4c-root/ but i think it is too risky.

manospr said:
Today a new firmware came to my P8 Premium. GRA-UL10COOB358
Click to expand...
Click to collapse
Nice! Haven't noticed it.

fede011 said:
Nice! Haven't noticed it.
Click to expand...
Click to collapse
Another new firmware came today at my phone from Hicare .It is about 156mb and now i am on GRA-UL10C00B359.

manospr said:
Another new firmware came today at my phone from Hicare .It is about 156mb and now i am on GRA-UL10C00B359.
Click to expand...
Click to collapse
Thats weird, I didn't get it Still on B358.
Edit: Oh, HiCare, misunderstood with HiSuite. Nice catch, as far as I understood it adds the feature VoLTE.

Does this work on chineese Ul00?? the firmware looks like it's for UL00 too....am i wrong??

fede011 said:
If you are like me, a strange owner of the china version (I got it as a gift from china) you also probably saw that other regions got it but the china region (C00BXX) is not getting any love, in china, for some reason, it is only available if you signed for the beta test program, but not anymore. This will not be a comprehensive guide since my main language is not English but some basic steps you MUST follow.
All steps are important do NOT skip any, I also assume you know how to install firmwares (copying the zip or update.app in dload folder).
You must be on C00B220 if you are on B230 downgrade it to B220 (you can download it here http://emuirom123.dbankcloud.com/GRA-UL00-UL10_EMUI3.1_Android5.0_B220.zip?rid=2082. Also if you have root you should also do a clean install again.
After that install this firmware https://drive.google.com/file/d/0B5nCMmhHnLDNSlhYb0R5MnozX2M/view. Don't extract it, copy update.zip to dload folder in sdcard. I searched for this file for many many hours and had to translate a lot of chinese pages to give it to you, you now have Marshmallow, but it is too outdated (B320).
Now, make sure you have the latest version of HiSuite, update it if needed. Connect your phone with the instructions given in HiSuite. In HiSuite click "Update" and it should find the latest version (B352).
Now just sit and relax, after that you have the latest version of android on your chinese P8
Click to expand...
Click to collapse
I can confirm this method working on UL00 model too......so can u plz update the title of this thread and add UL00 too....it would help all the other UL00 users like me

caspianprince said:
I can confirm this method working on UL00 model too......so can u plz update the title of this thread and add UL00 too....it would help all the other UL00 users like me
Click to expand...
Click to collapse
Thanks, added an edit in the post.

P9 EVA-L09 back to stock

hi guys, ive searched this forum day and night, maybe i'm not that good or somehow im to stupid.
so, i'm using p9-eval09 with c432b182. a few months ago i dont know how, im surprised as well, i rooted this phone with twrp and supersu. thing is when it came up to create a back-up dont know what didnt work and down the stream my back`up went. now i want to go back to stock as i will have warranty issues cause im not happy of the battery life. in order to do that, i have to get back to stock rom and stock recovery. will any of you guys will be nice enough to give me a hand with this? help would be much appreciated and ill buy you some beers and give you free unicorn rides. god bless

Rollback to Stock Huawei P9- Eval 09 C432 & update to EMUI 5.0
thisshouldbenice said:
hi guys, ive searched this forum day and night, maybe i'm not that good or somehow im to stupid.
so, i'm using p9-eval09 with c432b182. a few months ago i dont know how, im surprised as well, i rooted this phone with twrp and supersu. thing is when it came up to create a back-up dont know what didnt work and down the stream my back`up went. now i want to go back to stock as i will have warranty issues cause im not happy of the battery life. in order to do that, i have to get back to stock rom and stock recovery. will any of you guys will be nice enough to give me a hand with this? help would be much appreciated and ill buy you some beers and give you free unicorn rides. god bless
Click to expand...
Click to collapse
Hi,
You can use this link to download the rollback package
http://download-c.huawei.com/download/downloadCenter?downloadId=91623&version=357533&siteCode=se
once you download it.
unzip and put the update.app in the dload folder on your external sdcard in your phone.
you have to manually create this folder in your external sdcard.
once you do this
type
*#*#2846579#*#* in your phone dialer
then you will get a menu
in that select
SD card upgrade
then you wait.
it will reboot and finish rolling back to stock.
Remember this will get you back to stock rom, but you will have to upgrade to some other ROM for your L09 after rolling back.
I do not have Huawei P9 but I have Huawei Mate 8 & Huawei Mediapad M3. I feel that there are lot of similarities between Huawei phones & that is why I feel you can make it work using these steps.
Hope this solves your problem.
For updating to EMUI 5.0
you can use firmware finder from play store.
Install the app
https://play.google.com/store/apps/details?id=com.teammt.gmanrainy.huaweifirmwarefinder
in the settings of this firmware finder app
switch on "add on proxy"
now go to your WIFI-settings
tap and hold your WIFI connection
modify network - select manual
there you put the following
proxy is
localhost
port is
8080
that's it save.
then go to firmware finder app
search
download the right firmware for your P9 L09 and then click on "send the firmware to updater"
now
go to settings
update -> you should see the OTA for EMUI 5.0
But don't this now. First you have to rollback and only after that go for this EMUI 5.0 update.
Don't forget. Please click on :good::good::good::good::good::good::good::good:

it wont let me get the rom installed, do u know where i can find a stock rom?
so i found this on that site u've posted in another thread. surprisingly they have the stock rom for HUAWEI P9 FIRMWARE(EVA-L09, ANDROID 6.0, EMUI 4.1.1, C432B182, WESTERN EUROPE)
http:// consumer.huawei. com/it/support/mobile-phones/p9_it-sup.htm (fix the space's inside the link, as im a new user i cant post links)

stock rom B182
thisshouldbenice said:
it wont let me get the rom installed, do u know where i can find a stock rom?
so i found this on that site u've posted in another thread. surprisingly they have the stock rom for HUAWEI P9 FIRMWARE(EVA-L09, ANDROID 6.0, EMUI 4.1.1, C432B182, WESTERN EUROPE)
http:// consumer.huawei. com/it/support/mobile-phones/p9_it-sup.htm (fix the space's inside the link, as im a new user i cant post links)
Click to expand...
Click to collapse
L09C432B182 FULL firmware file. Found it in another thread. It seems to be working for them.
http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1079/g104/v63880/f1/full/update.zip
:good::good:

Did it with that link i tried to post. So what i did was just force flash with dload on my sdcard using that original rom. Thx for the help!

Cannot update from EVA-L09C432B182 to Nougat
Can anyone please help. I'm going round in circles, following guide after guide.
I'm currently running a P9 L09, running EVA-L09C432B182, after rollback
PHONE Unlocked
FRP Unlock
Factory Recovery
I've tried the firmware finder, confirming firmware ok with IMEI. My version for some reason does not have the "send the firmware to updater", and I have configured the proxy, and installed the proxy. I've tried unzipping the downloaded update.zip by firmware finder, and dropping it into the dload folder.
It seems every version I try, its fails at 5%. What am I doing wrong.
Can anyone tell me a system that works to get back to the latest stock nougat.

sjhannan said:
Can anyone please help. I'm going round in circles, following guide after guide.
I'm currently running a P9 L09, running EVA-L09C432B182, after rollback
PHONE Unlocked
FRP Unlock
Factory Recovery
I've tried the firmware finder, confirming firmware ok with IMEI. My version for some reason does not have the "send the firmware to updater", and I have configured the proxy, and installed the proxy. I've tried unzipping the downloaded update.zip by firmware finder, and dropping it into the dload folder.
It seems every version I try, its fails at 5%. What am I doing wrong.
Can anyone tell me a system that works to get back to the latest stock nougat.
Click to expand...
Click to collapse
Have you tried their consumer site? Just download the original, i did so, and the rest will come OTA.

Whats the latest build # for Huawei P10 VTR-L29?

I just want to confirm i have the latest building number. I have a European model using it in Canada so maybe the updates arent pushing to the phone? Im currently on VTR-L29C636B120

Last for your model and market version is 162
http://hwmt.ru/hwmtsite/firmware-database/?firmware_model=vtr-L29C636&firmware_page=0

I have stock VTR-L29 model, BL locked and b151 is the latest for me.
It lools like we need to wait for some time until new update is available through OTA

For anyone looking to update to L09C432B162 the latest on Firmware Finder, I can confirm I just did it and updated with no problems via proxy. I choose the FullOTA-MF version.
The responsiveness and transition between screens is so much faster than my previous version (B113) that I would recommend everyone to make the jump if you can.

boonkoh said:
For anyone looking to update to L09C432B162 the latest on Firmware Finder, I can confirm I just did it and updated with no problems via proxy. I choose the FullOTA-MF version.
The responsiveness and transition between screens is so much faster than my previous version (B113) that I would recommend everyone to make the jump if you can.
Click to expand...
Click to collapse
Is the system always the same?
Rom in memory, recovery mode and flash?
Thank's

Kautuak said:
Is the system always the same?
Rom in memory, recovery mode and flash?
Thank's
Click to expand...
Click to collapse
Sorry, I don't understand your question - can you explain?

boonkoh said:
Sorry, I don't understand your question - can you explain?
Click to expand...
Click to collapse
To install it is like any rom?
Copy in memory, go to recovery and install it?
Thank you

Kautuak said:
To install it is like any rom?
Copy in memory, go to recovery and install it?
Thank you
Click to expand...
Click to collapse
No, if you use Firmware Finder app (download from Google Play store), you can use the official update functionality in your phone settings to get the update.
It tricks Huawei servers that your phone is ready for upgrade to this firmware version. So you are downloading the official firmware file from Huawei, and it should install like a normal OTA update. No data loss, no settings loss.

boonkoh said:
No, if you use Firmware Finder app (download from Google Play store), you can use the official update functionality in your phone settings to get the update.
It tricks Huawei servers that your phone is ready for upgrade to this firmware version. So you are downloading the official firmware file from Huawei, and it should install like a normal OTA update. No data loss, no settings loss.
Click to expand...
Click to collapse
Yes but you must use Proxy method. This ist the only was it Works for me .Another Thing is, IT will only Works when Firmware Finder dass that this Update is approved for installation
Sent from my VTR-L09 using XDA Free mobile app

Question: Is there a way to downgrade from latest update to the previous one without root? I'm on a mobile data plan with my network and rooting the phone will compromise my warranty if in case anything goes wrong.

I recently saw a vtr-l29c432b171 OTA update but couldn't find it anymore or any link online.

Cybernerd said:
I recently saw a vtr-l29c432b171 OTA update but couldn't find it anymore or any link online.
Click to expand...
Click to collapse
vtr-l29c432b171
I got the update manually trough here: CZECH HUAWEI FAN FORUM

DallasCZ said:
vtr-l29c432b171
I got the update manually trough here: CZECH HUAWEI FAN FORUM
Click to expand...
Click to collapse
@DallasCZ could you share the link(s) here please. I could only find VTR-L29C432B164 on the page. Thanks in advance!

Cybernerd said:
@DallasCZ could you share the link(s) here please. I could only find VTR-L29C432B164 on the page. Thanks in advance!
Click to expand...
Click to collapse
sorry my fault..i updated to 164 with the full firmware package from the site i mentioned, andf then after first boot i got OTA to 171.

When updating using Firmware Finder FullOTA (in-app proxy), do you need to be fully unrooted (stock kernel and recovery) for this to work?
Asking, because I plan to try this update method from B165 to B172 on my VTR-L29C185 and wondering if this process keeps the user data intact or it means a full reset later regardless ... can anyone confirm user data can be preserved with in-app proxy method? Does the BootLoader stay unlocked too?
EDIT:
all went well as per update itself via in-app proxy detection method ... however had to use FullOTA package to successfully install it and that I think re-locked the bootloader, oh well, at least it worked fine

vassil_bk said:
Exactly the same for me - VTR-L29C432B151 shows as the latest one.
I also found this firmware collection. Not sure how accurate is though...
Click to expand...
Click to collapse
i have vtr-l29c432b171 got it from system update

knudsen81 said:
i have vtr-l29c432b171 got it from system update
Click to expand...
Click to collapse
for L09C432 is the latest B201, for L29C432171 according this site pro-teammt.ru.
But hte update is rolled out on very strange key...some countries have it, some operators don´t .... don´t know. So i always download the latest for my phone L29C432 and flash it trough HWOTA.

fenixus said:
When updating using Firmware Finder FullOTA (in-app proxy), do you need to be fully unrooted (stock kernel and recovery) for this to work?
Asking, because I plan to try this update method from B165 to B172 on my VTR-L29C185 and wondering if this process keeps the user data intact or it means a full reset later regardless ... can anyone confirm user data can be preserved with in-app proxy method? Does the BootLoader stay unlocked too?
EDIT:
all went well as per update itself via in-app proxy detection method ... however had to use FullOTA package to successfully install it and that I think re-locked the bootloader, oh well, at least it worked fine
Click to expand...
Click to collapse
Hello. I need your help. I did a rebranding from C185 to C432. forgot to make a copy of the oem info for C185. if you have it can you share with me? Thank you

OEMINFO Collections for P10 & P10 Plus
https://forum.xda-developers.com/p10/development/oeminfo-collections-p10-p10-plus-t3696422

Hello, i have (P10) Bulid number: VTR-L29C490B114
Is there anything newer the this one?
thank you

Huawei p9 l19 firmware

Hi all, i have problem with my p9 l19c432 eu version. I had l19 c432b386 android n and i wanted to go bac to mm. My device doesn't have root or unlocked bootloader or custom twrp. I have all stock.
Tried to go back to mm dload method
1. Rollback package c900b300
2. Full firmware
I did step 1 and instalation was successful 100% but now when i go to about phone my android version is 5.0 NRD90M test keys, not c900b300.
I didn't try to do step 2. because i don't know so much about nrd90m.
Maybe my rollback package is not good, is there difference about rollback package for l19 and l09?
Can anyone help me with my problem? Thank you very much

Kovacc56 said:
Hi all, i have problem with my p9 l19c432 eu version. I had l19 c432b386 android n and i wanted to go bac to mm. My device doesn't have root or unlocked bootloader or custom twrp. I have all stock.
Tried to go back to mm dload method
1. Rollback package c900b300
2. Full firmware
I did step 1 and instalation was successful 100% but now when i go to about phone my android version is 5.0 NRD90M test keys, not c900b300.
I didn't try to do step 2. because i don't know so much about nrd90m.
Maybe my rollback package is not good, is there difference about rollback package for l19 and l09?
Can anyone help me with my problem? Thank you very much
Click to expand...
Click to collapse
That is the correct rollback. You just need to download and flash your stock Marshmallow firmware. In my case (eva-l29c636) it was B191. I had the exact same test keys in "about phone" , so just go ahead with step 2.

brookie229 said:
That is the correct rollback. You just need to download and flash your stock Marshmallow firmware. In my case (eva-l29c636) it was B191. I had the exact same test keys in "about phone" , so just go ahead with step 2.
Click to expand...
Click to collapse
Thanks for your help. I was suspicious because it's not c900b300 after rollback package, it's ''NRD90m test keys'' and i didn't know can i flash full firmware when build number is nrd90m, so i stoped there. I will try to flash full firmware tomorrow.
Do i need to factory reset now or enable OEM in developer options before flashing full firmware or maybe flash rollback package again and maybe then i will get c900b300?
Thanks

Kovacc56 said:
Thanks for your help. I was suspicious because it's not c900b300 after rollback package, it's ''NRD90m test keys'' and i didn't know can i flash full firmware when build number is nrd90m, so i stoped there. I will try to flash full firmware tomorrow.
Do i need to factory reset now or enable OEM in developer options before flashing full firmware or maybe flash rollback package again and maybe then i will get c900b300?
Thanks
Click to expand...
Click to collapse
No, you don't need to factory reset or anything---just flash your correct M firmware.

brookie229 said:
No, you don't need to factory reset or anything---just flash your correct M firmware.
Click to expand...
Click to collapse
I will try. But before that i must ask, do i need to install something more, because many people have problem as i can see on forum with missing apps like camera, keyboard, calculator..??
One more thing, do rollback will erase my personal data and aplications? And when? I asking because when i flashed rollback package, after that my data and aplicafions was still there. Maybe it will erase after flashing full firmware?
Thanks for answer

Kovacc56 said:
I will try. But before that i must ask, do i need to install something more, because many people have problem as i can see on forum with missing apps like camera, keyboard, calculator..??
One more thing, do rollback will erase my personal data and aplications? And when? I asking because when i flashed rollback package, after that my data and aplicafions was still there. Maybe it will erase after flashing full firmware?
Thanks for answer
Click to expand...
Click to collapse
Yes, your data and apps will be gone. When you flash your M firmware it's going to make everything new as if you just opened the box. Sorry if you did not know that. I don't think there is any way to avoid that. I was just setting my device up and noticed an OTA update to B386 Nougat which I successfully updated to BUT then I found out that my P9 will not work on Nougat. I cannot scroll at all with it so I had to find the rollback firmware. I flashed it then immediately after that I flashed B191 Marshmallow and all is well. Nothing else. As I said, you will, however, lose all your data and I don't know if a backup can restore it for you.

brookie229 said:
Yes, your data and apps will be gone. When you flash your M firmware it's going to make everything new as if you just opened the box. Sorry if you did not know that. I don't think there is any way to avoid that. I was just setting my device up and noticed an OTA update to B386 Nougat which I successfully updated to BUT then I found out that my P9 will not work on Nougat. I cannot scroll at all with it so I had to find the rollback firmware. I flashed it then immediately after that I flashed B191 Marshmallow and all is well. Nothing else. As I said, you will, however, lose all your data and I don't know if a backup can restore it for you.
Click to expand...
Click to collapse
Hey friend, i just install full mm firmware and everything is good now, i don`t have nrd90mtest keys, i have now l19c432b182, i found on huawei site for l09 they have rollback package and full firmware b182 so i found for l19. I think good firmware is the key of rollback, and b182 is the best for it. Thanks so much for your help!
I have only one problem, i can`t change themes. I can see themes and when i click apply it, it is successful but it didn`t change. Did you have that problem too?
Thanks again so much

Kovacc56 said:
Hey friend, i just install full mm firmware and everything is good now, i don`t have nrd90mtest keys, i have now l19c432b182, i found on huawei site for l09 they have rollback package and full firmware b182 so i found for l19. I think good firmware is the key of rollback, and b182 is the best for it. Thanks so much for your help!
I have only one problem, i can`t change themes. I can see themes and when i click apply it, it is successful but it didn`t change. Did you have that problem too?
Thanks again so much
Click to expand...
Click to collapse
Happy that it worked out for you. I have an icon on my desktop called "Themes", but when I tap on it there is nothing. I just assumed that was something that you would have to download and install from a Huawei website or get from a 3rd party app. Anyway, it does not concern me as I only care about throwing a pic on for my desktop. What really annoys me is that I cannot run Nougat on my P9
Anyway, good that you have it running again. I am on B191 and it looks like that will be all I can do.

update to emui 5
Hi everyone My current version is EMUI 4.1 and Android 6.0, I have not received an update for Android 7
The mechanic version currently is EVA-C900B136
How do I update to the latest version?
Thanks

brookie229 said:
Happy that it worked out for you. I have an icon on my desktop called "Themes", but when I tap on it there is nothing. I just assumed that was something that you would have to download and install from a Huawei website or get from a 3rd party app. Anyway, it does not concern me as I only care about throwing a pic on for my desktop. What really annoys me is that I cannot run Nougat on my P9
Anyway, good that you have it running again. I am on B191 and it looks like that will be all I can do.
Click to expand...
Click to collapse
I don`t know why is it like that, like some data folders missing from system. Old icons and theme problem, idk how to solve that.
You can see my screenshot of it, rly weird.
https://forum.xda-developers.com/album.php?albumid=14536&pictureid=56441
Can you see my image?
Maybe it`s better for you my friend, emui 5 have great design and everything i must say but battery life is better on mm, bcs of it i rollback to mm. But i don`t know why u can`t get official uograde. When i rollback to mm b182 i got instant upgrade to emui 5. Maybe your version of mm is not good bcs when i had emui4.1.3 i got upgrade to b386 and now when i have 4.1.1 i got upgrade to b383. Maybe you can try to install another version of mm.

adi128 said:
Hi everyone My current version is EMUI 4.1 and Android 6.0, I have not received an update for Android 7
The mechanic version currently is EVA-C900B136
How do I update to the latest version?
Thanks
Click to expand...
Click to collapse
You can update with firmware finder app on playsore, search on forum, you will find tutorial for it.
Or with 3 buttons combination and dload if you can find update, or with twrp if you have it and you will need update file too. Just search on forum tutorial for it and CORRECT update for your phone, single or dual sim whatever you have and with c900 bcs u have global version.

VKY L09/L29 C432B162- Service rom

I found link and instruction for upgrade, unbrick, back from custom rom, etc....and I hope that it will be useful for the most people. My recommendation is to use force upgrade method with three buttons. Enjoy!
http://androidhost.ru/2RF

Thanks, want to try.
Did you flash it already?

AnimalSub said:
Thanks, want to try.
Did you flash it already?
Click to expand...
Click to collapse
I used those service roms with same method for p10 lite, p9 lite. I didnt try this one, but, I dont expect any problem because instruction is provided by Huawei. Just, read instruction, but again my recommendation is force method. Because, normal upgrade is not necessary with this rom, ota, or ffinder are more efficient. But if someone bricked phone, or has custom rom, this is the best thing for rollback to stock rom. The reason why to use forced method iis simple, because with three buttons first flash stock recovery and than stock recovery automaticly repair all system and upgrade all things.

Rommco05 said:
I don't know if I will have reason to try this, but looks interesting
Click to expand...
Click to collapse
Just for our base ?. I hope that I will not use it too, but who knows that.

Anyone tried to downgrade from Oreo to this?

jucca said:
Anyone tried to downgrade from Oreo to this?
Click to expand...
Click to collapse
No, no this rom is not for rollback. Only if you have issues with Nougat mentioned servise rom is usefull. But if You try rollback from Emui 8 with this yiu can brick phone. For rollback from Emui 8 to Emui 5 must use official rollback from ffinder.
Sent from my WAS-LX1 using Tapatalk

How can you downgrade from softbricked Oreo ROM where FFindar can't be loaded to Nougat ?

jucca said:
How can you downgrade from softbricked Oreo ROM where FFindar can't be loaded to Nougat ?
Click to expand...
Click to collapse
How did you brick phone on Emui 8? Only solution is to try to unlock bootloader in fasrboot and downgrade using twrp, hwota. Method for rollback you can find here in our section. https://forum.xda-developers.com/p10-plus/development/downgrade-p10-plus-oreo-to-nougat-t3724382
Regards and good luck.
Sent from my WAS-LX1 using Tapatalk

Long story. Three days was trying to get it unbricked, even it was in service shop, but they didn't do much
however, upgrade from nougat to oreo didn't went well at first. Almost an hour it was installing oreo update zip file in twrp, so I had to turn off the mobile phone in middle of process. At last, it booted to Oreo, but after a first restart (changed overall appearance from large to medium), it just bootlooped. As I had nandroid backup of nougat in twrp, I tried to restore to that, and my problems just got bigger. I tried to go back to oreo again, multile times, different builds, but no luck. Than I found the method you linked, and with great help of guys from Telegram group, it booted again in OS. Hell yes
Strange thing that happend that it didn't booted to Nougat, but in Oreo acctually. Probably LowLevel format helped to fix partitions and stuff, after that bootloader was unlocked again, As for now I have bad Oreo version (8.0.0.046) will rollback again to Nougat.

I'm try to download but on half its stoped

Hi all I used this service rom and it got my phone working again but there are problems the dialer and contacts apps do not work anymore I had to Install 3rd party apps and software update is gone the project menu won't come up when you key in *#*#2846579#*#* command. Fastboot won't let me install twrp fastboot screen shows bootloader unlocked. Frp unlock As it stands I'm stuck with a working limited phone. Does anyone have any ideas I could try
Sent from my VKY-L09 using XDA Premium HD app

Alexxxx1 said:
I found link and instruction for upgrade, unbrick, back from custom rom, etc....and I hope that it will be useful for the most people. My recommendation is to use force upgrade method with three buttons. Enjoy!
http://androidhost.ru/2RF
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Please let me know where I can find the service ROM for a VKY-L09 (P10 Plus).
The instructions on this forum are written very garbled and not clear enough for me to take a chance and upgrade my phone from Nougat to OREO.

mojoe said:
Please let me know where I can find the service ROM for a VKY-L09 (P10 Plus).
The instructions on this forum are written very garbled and not clear enough for me to take a chance and upgrade my phone from Nougat to OREO.
Click to expand...
Click to collapse
I agree with you all instruction for p10 plus make confusion. You can try this to upgrade to Oreo https://forum.xda-developers.com/p10-plus/how-to/huawei-p10-plus-debrand-rebrand-update-t3715288
But, you have stock emui 5 or some custom rom? Im asking because if you had stock rom you had to get regular Ota to emui 8. If you have custom just try to.use Hwota method from mentioned link. I have similar procedure with Hwota for p10 lite so it could be usefull in your case just as example to see how it works
https://youtu.be/m2hZT1g0jtg
If you have stock firmware emui 5, stock recovery and locked bootloader you can try Ffinder for upgrade too.
https://youtu.be/nZRaINeJF18

Alexxxx1 said:
I agree with you all instruction for p10 plus make confusion. You can try this to upgrade to Oreo https://forum.xda-developers.com/p10-plus/how-to/huawei-p10-plus-debrand-rebrand-update-t3715288
But, you have stock emui 5 or some custom rom? Im asking because if you had stock rom you had to get regular Ota to emui 8. If you have custom just try to.use Hwota method from mentioned link. I have similar procedure with Hwota for p10 lite so it could be usefull in your case just as example to see how it works
https://youtu.be/m2hZT1g0jtg
If you have stock firmware emui 5, stock recovery and locked bootloader you can try Ffinder for upgrade too.
https://youtu.be/nZRaINeJF18
Click to expand...
Click to collapse
Thank you for your reply. First reply from Huawei contributors. Thank you.
I have stock EMUI v5.10 and Android v7.0.
I unlocked the device, installed TWRP and rooted it.
I would like to upgrade to OREO and was hoping to find a solution that will allow me to upgrade using TWRP as it is working and installed.
Please advise.
Thank you once again.