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Unable to install stock rom Huawei P9

Hello!
I'm currently running on EMUI 4.1.1 (EVA-L09C900B182)
I downloaded the official firmware for P9 from Huawei website, extracted the UPDATE.APP with this tool https://forum.xda-developers.com/showthread.php?t=2433454 so i could get the stock RECOVERY.img.
I placed the UPDATE.APP in a dload folder on the root of my external SDCARD
Rebooted into bootloader, flashed the stock recovery (I had TWRP).
vol+, vol- and power button togheter, it tries to install but fails (software install failed! Incompatibility with current version. Please download the correct update package.)
I tried also with huawei firmware finder app and even if it says the firmware is approved for the installation when i verify with IMEI, it fails after (I tried EVA-L09C900B386).
I tried:
- with the in-app proxy, changing my wifi proxy to localhost:8080 and using the default updater
- downloading the package and manually moving UPDATE.APP in dload on my ext sd card.
What i would like to obtain is a full stock huawei p9 phone, so i could get the official android 7 and latest firmware.
Thanks a lot!

Sorfrost_1 said:
Hello!
I'm currently running on EMUI 4.1.1 (EVA-L09C900B182)
I downloaded the official firmware for P9 from Huawei website, extracted the UPDATE.APP with this tool https://forum.xda-developers.com/showthread.php?t=2433454 so i could get the stock RECOVERY.img.
I placed the UPDATE.APP in a dload folder on the root of my external SDCARD
Rebooted into bootloader, flashed the stock recovery (I had TWRP).
vol+, vol- and power button togheter, it tries to install but fails (software install failed! Incompatibility with current version. Please download the correct update package.)
I tried also with huawei firmware finder app and even if it says the firmware is approved for the installation when i verify with IMEI, it fails after (I tried EVA-L09C900B386).
I tried:
- with the in-app proxy, changing my wifi proxy to localhost:8080 and using the default updater
- downloading the package and manually moving UPDATE.APP in dload on my ext sd card.
What i would like to obtain is a full stock huawei p9 phone, so i could get the official android 7 and latest firmware.
Thanks a lot!
Click to expand...
Click to collapse
Best is to follow this guide and debrand the phone to C432.
https://forum.xda-developers.com/p9/development/c432-oeminfo-flash-twrp-t3384903
Sent from my LON-L29 using XDA Labs

I did something similar and ended up with C432B242 after some update with huawei firmware finder. Now I cant reach B397.. I've tried all the intermediate steps after 242: no luck. It fails during installation. Any specific instruction?

Sorfrost_1 said:
I did something similar and ended up with C432B242 after some update with huawei firmware finder. Now I cant reach B397.. I've tried all the intermediate steps after 242: no luck. It fails during installation. Any specific instruction?
Click to expand...
Click to collapse
U have to downgrade to B182 and then upgrade to B360 FullOTA-MF-PV
When u upgrade to a new Android system u must flash FullOTA-MF-PV
U could try without downgrade first, but u cant upgrade to B397 because its not signed yet by Huawei, B395 ist the latest approved Firmware.
Sent from my LON-L29 using XDA Labs

Mostar088 said:
U have to downgrade to B182 and then upgrade to B360 FullOTA-MF-PV
When u upgrade to a new Android system u must flash FullOTA-MF-PV
U could try without downgrade first, but u cant upgrade to B397 because its not signed yet by Huawei, B395 ist the latest approved Firmware.
Sent from my LON-L29 using XDA Labs
Click to expand...
Click to collapse
From b182 OTAs will lead up to b395.
b397 OTA is expected any day, meanwhile it can be forced (as well as the newer b398) from b395 by using no-check recovery:
https://forum.xda-developers.com/p9/development/eva-nocheck-recovery-flash-unapproved-t3705125

Update:
I reinstalled from b136 => b166 => b182
After that i tried b378 but now my build number is NRD90M test-keys
Will start again from b136 trying something different.

Sorfrost_1 said:
Update:
I reinstalled from b136 => b166 => b182
After that i tried b378 but now my build number is NRD90M test-keys
Will start again from b136 trying something different.
Click to expand...
Click to collapse
U need to choose Download Latest Full Packege in Updater Menu when u go from MM to Nougat.
Sent from my LON-L29 using XDA Labs

Ok i finally solved it. From b136 to b182 with the official update and selecting "Download full package" (<= this is key! )
After that i updated to b360 => b391 with huawei firmware finder
Mostar088 said:
U have to downgrade to B182 and then upgrade to B360 FullOTA-MF-PV
Click to expand...
Click to collapse
What firmware are you guys using and what do you suggest?

Sorfrost_1 said:
Ok i finally solved it. From b136 to b182 with the official update and selecting "Download full package" (<= this is key! )
After that i updated to b360 => b391 with huawei firmware finder
What firmware are you guys using and what do you suggest?
Click to expand...
Click to collapse
I have B395, it's the latest approved Firmware.
Sent from my LON-L29 using XDA Labs

Sorfrost_1 said:
...What firmware are you guys using and what do you suggest?
Click to expand...
Click to collapse
Custom ROM MagicRainbow v3, based on b394/b395, debloated, pre-rooted with Magisk, with integrated Viper4Android, etc
https://forum.xda-developers.com/p9/development/rom-huawei-p9-magicrainbow-v3-t3722457

downgrade?

Hi guys
Someone has succeeded with downgrade from oreo to nougat ? I need go to huawei service, to exchange the display, but problem is "relocked bootloader"
So many tutorials here, which to follow for downgrade and have "locked bootloader" ?

You can use HiSuite or install the downgrade firmware through Firmware Finder. It has the normal Nougat version, but in the description it tells that it downgrades.

HiSuite tells me that I have the latest version so.. I cant downgrade from HiSuite, or if i can tell me how to do it please

@yungshadow
As M1chiel said, try with Firmware Finder.
Remember!! Everything is on your own risk!!
Don't know which version you have, but for me this is the roll back firmware...

Let's try. But.. still 0%

If you use proxy option, you have to set proxy in WiFi settings.
localhost and 8080
Then start download and wait until 4-5%, then disable proxy and continue download.

i'm using DNS. Now 11% XD

ok i'm finally have emui 5. Now i must rebrand ?

That I don't know, I already didn't understand why you wanted to downgrade ??

yungshadow said:
ok i'm finally have emui 5. Now i must rebrand ?
Click to expand...
Click to collapse
Look here: https://forum.xda-developers.com/p10/how-to/huawei-p10-debrand-rebrand-update-guide-t3691013/page38

Can't do anything with this trash device, even TWRP fails to install. What a waste of money!

djg269 said:
That I don't know, I already didn't understand why you wanted to downgrade
Click to expand...
Click to collapse
I need to have bootloader status "locked" not "relocked" so i must rebrand to l09 and back to l29 yeah?

Ok guys
I Found a solution.
1. Downgrade from Oreo via FF using B185 (downgrade firmware) thanks
djg269 said:
2. Download some L09 firmware and install via FF
3. After installing I had bootloop (huawei logo, booting system for 10-15 sec and still restarting)
4. Enter eRecovery VOL-UP + POWER > Wipe data and cache
5. After Wipe phone said it's still L29 but now bootloader is locked not relocked
So i'm done now
Click to expand...
Click to collapse

Glad you got it fixed!!
Sent from my VTR-L09 using XDA Labs

I have a small question - in FF it says to make sure my current version is not "unlocked" - does that mean the bootloader or...? I just want to downgrade to B180 so I can install HuShed. I'm on L29C432B360 currently.

I don't remember this information. Could u send here Screenshoot with that dialog from FF ?

Same screenshot as post #4 -> https://forum.xda-developers.com/showpost.php?p=76556011&postcount=4

I used b185 from b360 with unlocked bootloader and I had no problems.
You should use b185(rollback firmware) and after this will be able toinstall whatever you want

Alright, last question - I have TWRP installed for 8.0. Will this affect the downgrade somehow? Because for example I can't install OTAs with TWRP. I'm sorry I'm kinda new to these kinds of stuff.

I didn't have installed twrp for 8.0 when i Decided to do downgrade so I think it doesn't matter but you can flash stock recovery for 8.0 if u want ofc.
Now i'm on 8.0.0.365(c432) but with official OTA update

Version downgrade

I have searched everywhere but I didn't find a reply to my question.
A couple of days ago I have updated my phone LLD-L31 to the version 8.0.0.132 through Firmware Finder (it worked for me with proxy method) then I decided to revert back to the previous version 8.0.0.131. So I started reading guides to install a firmware on Huawei/Honor devices, I have downloaded the FullOTA package version 8.0.0.131 with Firmware Finder, placed it in the folder dload on my SDcard and started the intstallation in the project menu (accessible digiting *#*#2846579#*#* in the dialer), it started but suddenly it ended with a message "installation failed".
So my question is: how can i revert to the previous version of the software (or to the out of the box firmware installed on my device)?

karmakey said:
I have searched everywhere but I didn't find a reply to my question.
A couple of days ago I have updated my phone LLD-L31 to the version 8.0.0.132 through Firmware Finder (it worked for me with proxy method) then I decided to revert back to the previous version 8.0.0.131. So I started reading guides to install a firmware on Huawei/Honor devices, I have downloaded the FullOTA package version 8.0.0.131 with Firmware Finder, placed it in the folder dload on my SDcard and started the intstallation in the project menu (accessible digiting *#*#2846579#*#* in the dialer), it started but suddenly it ended with a message "installation failed".
So my question is: how can i revert to the previous version of the software (or to the out of the box firmware installed on my device)?
Click to expand...
Click to collapse
You should have an option to downgrade in the about section/ the update menu of your phone if you did it right.
Otherwise you may need to use the HuRupdater Method.

Fredin_ said:
You should have an option to downgrade in the about section/ the update menu of your phone if you did it right.
Otherwise you may need to use the HuRupdater Method.
Click to expand...
Click to collapse
Thanks for your reply!
I don't have this option, but if I remember well I hadn't it also in the previous version of the firmware.
So i can't install a previous version of the firmware simply downloading it an putting into dload folder of the SDcard?

karmakey said:
Thanks for your reply!
I don't have this option, but if I remember well I hadn't it also in the previous version of the firmware.
So i can't install a previous version of the firmware simply downloading it an putting into dload folder of the SDcard?
Click to expand...
Click to collapse
Can you please specify why do you want to roll back?
Because most people just wanna upgrade to a newer version.Newwr versions will have better stability so it's recommended to keep the latest version unless you have some bugs.
I honestly don't know why the dload method doesn't work, seems that it doesn't work for most people.
I think you'll be able to roll back using HuRupdater. But that'll mean you'll have to unlock bootloader and flash twrp first. Then you can go all stock from there.
Here's a guide to the HuRupdater from @zxz0O0
https://www.google.co.in/amp/s/foru...lash-official-firmware-recovery-t3769279/amp/

Fredin_ said:
Can you please specify why do you want to roll back?
Because most people just wanna upgrade to a newer version.Newwr versions will have better stability so it's recommended to keep the latest version unless you have some bugs.
I honestly don't know why the dload method doesn't work, seems that it doesn't work for most people.
I think you'll be able to roll back using HuRupdater. But that'll mean you'll have to unlock bootloader and flash twrp first. Then you can go all stock from there.
Here's a guide to the HuRupdater from @zxz0O0
https://www.google.co.in/amp/s/foru...lash-official-firmware-recovery-t3769279/amp/
Click to expand...
Click to collapse
After installing the version 132 I asked the technical support through HiCare and they told me that installing firmware with Firmware Finder could void warranty so I decided to revert to the previous firmware and wait for regular OTA by Huawei.

karmakey said:
After installing the version 132 I asked the technical support through HiCare and they told me that installing firmware with Firmware Finder could void warranty so I decided to revert to the previous firmware and wait for regular OTA by Huawei.
Click to expand...
Click to collapse
I'm not sure but I think you are on the latest build for your varient now so you won't be getting any updates untill a next build comes in.
I don't think you'll be able to roll back without the firmwares from firmware finder as you don't have an option to roll back.
The best option now would be to just wait for the next official build(might come soon as a small ota which has security patches) and then check if you are facing any issues installing which you won't as you are not rooted and dosent have an unlocked bootloader. So don't worry ?

Fredin_ said:
I'm not sure but I think you are on the latest build for your varient now so you won't be getting any updates untill a next build comes in.
I don't think you'll be able to roll back without the firmwares from firmware finder as you don't have an option to roll back.
The best option now would be to just wait for the next official build(might come soon as a small ota which has security patches) and then check if you are facing any issues installing which you won't as you are not rooted and dosent have an unlocked bootloader. So don't worry
Click to expand...
Click to collapse
Version 8.0.0.133 with July security patch just arrived and installed through official OTA!

karmakey said:
Version 8.0.0.133 with July security patch just arrived and installed through official OTA!
Click to expand...
Click to collapse
Good to hear you are up and running fine ?

Want to downgrade my honor 9 lite
After some update the theme engine crashed. Themes can no longer change the notiifcation bar icons and shortcuts icons.

Downgrading version Problem
I used firmware finder and dns method to downgrade my honor 9 lite and while i register update on firware finder and opens hisuite for update it is saying u r on already the latest version
Plz help me with downgrading my version 9 to 8

Mate 10 Pro Unable to update firmware OTA or using eRecovery / FunkyHuawei

Hi
I'm unable to change the firmware on my BLA-L29 C432 B142 May security patch (rebranded from C636 about 6 months ago).
Checking OTA just says 'no updates available' and if I try to update via FunkyHuawei using eRecovery it downloads but after 'verifying' it moves on to 'recovery system running' and then errors with the message 'recovery failed' when it gets to 1%.
I've tried quite a few things to try and get something to move on, but it seems like I'm stuck on an old version of firmware and no way to change it. I need a new plan.
I've tried (with lots of factory resets and wiping cache inbetween):
- OTA updates - always says no update available.
- Via FunkyHuawei:
- Reflash same firmware (eRecovery fails during 'recovery system running')
- Reflash newer or older firmare in same region (eRecovery fails during 'recovery system running')
- Change region, reflash newer or older firmware in same region (eRecovery fails during 'recovery system running')
- Use unbrick tool to flash same or different firmware in both same and different regions (unbrick tool completes but firmware version always stays the same in about phone, the android security patch date changes though, but eRecovery won't let me reflash anything afterwards as eRecovery fails during 'recovery system running')
- The last OTA update I got was C432 .137. When everyone else was getting .145 OTA I got Firmware Finder to move me from .137 to .142.
Has anyone got any ideas on what to do next? I don't want to be stuck on the same firmware version and security patch forever.
Other than the FunkyHuawei rebrand about 6 months ago from C636 to C432, the phone is standard (no attempt to unlock bootloader, root).
I was thinking of:
- Unlock bootloader using DC unlocker (from what I've read this might still work as I'm on B142 which has a May security patch)
- Flash TWRP
- Flash a custom ROM
- Try and restore back to stock
- Possibly rebrand back to factory original C636 as there seem to be a few threads about rebranded phones not getting updates promptly, but I can't see anyone else who is getting eRecovery failing no matter what they do and no way to change firmware. I have already tried rebranding back to C636 via FH, but can't, as eRecovery fails at the same point when trying to flash the C636 firmware.

Funky should always work to update, check that DNS is correct when you enter that test site.
- Unlock bootloader using DC unlocker (from what I've read this might still work as I'm on B142 which has a May security patch)
Click to expand...
Click to collapse
This will work. I have downgraded and tested it
You could do this:
Get unlock code
Unlock bootloader
Flash TWRP (https://forum.xda-developers.com/mate-10/development/huawei-mate-10-pro-twrp-3-2-1-0-t3769904)
Download firmware update.zip, public and hw zip from http://pro-teammt.ru/firmware-database/
Update to the version you want using HuRUpdater (https://forum.xda-developers.com/honor-9/development/tool-flash-official-firmware-recovery-t3769279).
You will stay bootloader unlocked now though, but the rest is stock.

ante0 said:
Funky should always work to update, check that DNS is correct when you enter that test site.
Click to expand...
Click to collapse
The DNS is fine and I can load the test sites, eRecovery gets info and downloads the firmware labelled "FunkyHuawei" and the size is around 3GB. After taking a few minutes to download, the eRecovery moved on to 'verifying package', that completes, it moves on to 'recovery system running' and after it gets to 1% it says 'recovery failed'.
ante0 said:
This will work. I have downgraded and tested it
You could do this:
Get unlock code
Unlock bootloader
Flash TWRP (https://forum.xda-developers.com/mate-10/development/huawei-mate-10-pro-twrp-3-2-1-0-t3769904)
Download firmware update.zip, public and hw zip from http://pro-teammt.ru/firmware-database/
Update to the version you want using HuRUpdater (https://forum.xda-developers.com/honor-9/development/tool-flash-official-firmware-recovery-t3769279).
You will stay bootloader unlocked now though, but the rest is stock.
Click to expand...
Click to collapse
I will try this, anything to get me out of the hole I seem to be stuck in as all methods I've tried so far rely on eRecovery. Thankyou for all of the links.
When using HuRUpdater does it have to be in the same region, or can I rebrand at the same time?

Thasscas44 said:
The DNS is fine and I can load the test sites, eRecovery gets info and downloads the firmware labelled "FunkyHuawei" and the size is around 3GB. After taking a few minutes to download, the eRecovery moved on to 'verifying package', that completes, it moves on to 'recovery system running' and after it gets to 1% it says 'recovery failed'.
I will try this, anything to get me out of the hole I seem to be stuck in as all methods I've tried so far rely on eRecovery. Thankyou for all of the links.
When using HuRUpdater does it have to be in the same region, or can I rebrand at the same time?
Click to expand...
Click to collapse
HuRUpdater can only handle same region updates as far as I know.
You can use HWOTA to rebrand, but mankindtw (original author) has since edited the thread as he thought his tool bricked devices. But it was firmware that caused it.
And I can't remember the exact steps... You have to flash twice though, first to rebrand (example C636) and then to update to the same rebranded (C636) firmware.
https://mega.nz/#!oeATEQQb!qiP3mYlQQgZYlaS3dbY_QCwNJ-urTKyLQ2zKOA9KP8g
You could use FHRebrand tool, but it will change your bootloader unlock code so you'd have to use HCU client (DC-unlocker) twice to get it.
Also, before flashing anything, check xloader with this tool: https://forum.xda-developers.com/mate-10/how-to/beware-bla-l29c432b147-t3817241
For now, stay on XLOADER 01 firmware. We don't know if Huawei will change to 02. Going from 02 to 01 will end in a hard brick.
B142 is 01 so you're safe now

Thanks to your advice, I have a plan now. And good to know about the xloader stuff, that could have ruined my day.
I'm going to:
1. Get bootloader code [update: done using dc-unlocker, confirmed working on C432 .142]
2. Flash TWRP
3. Put same region and slightly downgraded version of firmware on to a USB and flash with HuRUpdater (assuming it needs to be put on a USB OTG stick as the M10Pro doesn't have an SD card). I intend to use the downgraded version so I can see the version successfully change in "about phone"
4. Rebrand using FH tool (if there's less chance of bricking than HWOTA) and keeping an older firmware
5. Hopefully it works, and [after getting the bootloader code again from dc-unlocker in case I need it in future] I will be able to update via OTA to latest official firmware
Hopefully starting again completely will overwrite whatever it is that's getting me stuck.

Thanks to @ante0 I got out of the hole I was in.
From what I've tested, there seems to be an inability to update OTA from a rebranded BLA-L29 432 running 137 or 142.
Here's what I did.
1. Unlocked bootloader, flashed twrp, flashed downgraded 137 version of C432 with hrupdater. Success. No offer of an OTA update though so still stuck on old version.
2. Ran FH rebrand tool to change region to the factory original C636. eRecovery failed at the same stage as before. Fail.
3. Kept region as C636, unlocked bootloader and flashed twrp again. Flashed April version of C636 firmware using hrupdater, twice. Success.
4. Immediately on boot up phone offered to update OTA to the latest version of C636 firmware. Success.
It seems that the phone wouldn't offer an update OTA if on rebranded C432 and running 137 or later, but did offer OTA when it was back on C636. I live in Europe, but will keep the 636 region if it means I get OTA, else I can't pass the phone on.
Now to relock the bootloader so banking apps work. Plan to use the fastboot relock command followed by dc unlocker relock tool. Hoping not to brick at the last stage!

HELP! Stuck on EMUI welcome page

So I did a hard reset after relocking my bootloader in order to install my new update (EVA-L09C150B375). I successfully relocked it, then resetted it. However, after I turned it on to install the update and restore it from HiSuite, I was welcomed with the EMUI starting screen (language selection, T&C, wifi, google account) and I'm stuck there. The thing is, all my keyboards are lost and whenever I want to type in something, only the google voice button shows which I can't possibly use to enter passwords or pin. If I skip everything and 'set up as new phone', it brings me to the 'add fingerprint' scene which if I skip, I'm brought all the way back to the beginning of the WHOLE proccess (back to the EMUI logo), and I can't add a fingerprint because you have to give either a PIN or a password in order to be able to use it. I have Wi-fi connection but nothing else. I can't bring up any menus. When I do a hard reset, it bring me to this page again after rebooting. Is there a workaround? I'm completely lost.

horesz1994 said:
So I did a hard reset after relocking my bootloader in order to install my new update (EVA-L09C150B375). I successfully relocked it, then resetted it. However, after I turned it on to install the update and restore it from HiSuite, I was welcomed with the EMUI starting screen (language selection, T&C, wifi, google account) and I'm stuck there. The thing is, all my keyboards are lost and whenever I want to type in something, only the google voice button shows which I can't possibly use to enter passwords or pin. If I skip everything and 'set up as new phone', it brings me to the 'add fingerprint' scene which if I skip, I'm brought all the way back to the beginning of the WHOLE proccess (back to the EMUI logo), and I can't add a fingerprint because you have to give either a PIN or a password in order to be able to use it. I have Wi-fi connection but nothing else. I can't bring up any menus. When I do a hard reset, it bring me to this page again after rebooting. Is there a workaround? I'm completely lost.
Click to expand...
Click to collapse
First of all, unlocked bootloader does not prevent OTA - for OTA you must have stock recovery and stock boot partition (no root) but you can have bootloader unlocked.
Only thing - successful OTA may lock your bootloader back (depending if such a flag is present in stock update.zip or not) but again, you can safely start OTA with the unlocked bootloader.
Don't know why so many people go to relock bootloader before accepting OTA, which triggers hard reset and potentially troubles.
Did you at least leave OEM unlocked (OEM/FRP unlock also does not prevent OTA), that you can unlock bootloder again, install TWRP and revive your system by eg HWOTA method?
About missing keyboard - when you had your previous rooted system, have you disabled/removed Huawei default keyboards: SwiftKey and Swipe for Huawei - after hard reset it looks only for them, without them you have no keyboard...
Also, before hard resetting, have you removed fingerprint protection you have had?
Generally, if you removed fingerprint before hard reset, you should be able to skip setting the fingerprint.
I had a similar situation (no keyboard upun hard reset), and I was able to skip fingerprint, set-up a new system and then to install GBoard from apk on SD card and to continue.

zgfg said:
First of all, unlocked bootloader does not prevent OTA - for OTA you must have stock recovery and stock boot partition (no root) but you can have bootloader unlocked.
Only thing - successful OTA may lock your bootloader back (depending if such a flag is present in stock update.zip or not) but again, you can safely start OTA with the unlocked bootloader.
Don't know why so many people go to relock bootloader before accepting OTA, which triggers hard reset and potentially troubles.
Did you at least leave OEM unlocked (OEM/FRP unlock also does not prevent OTA), that you can unlock bootloder again, install TWRP and revive your system by eg HWOTA method?
About missing keyboard - when you had your previous rooted system, have you disabled/removed Huawei default keyboards: SwiftKey and Swipe for Huawei - after hard reset it looks only for them, without them you have no keyboard...
Also, before hard resetting, have you removed fingerprint protection you have had?
Generally, if you removed fingerprint before hard reset, you should be able to skip setting the fingerprint.
I had a similar situation (no keyboard upun hard reset), and I was able to skip fingerprint, set-up a new system and then to install GBoard from apk on SD card and to continue.
Click to expand...
Click to collapse
I couldn't install the new update when I was unlocked, because it went into a boot loop. That's why I decided to start over with a clean page. I haven't disabled any keyboards and I haven't removed my fingerprint.

horesz1994 said:
I couldn't install the new update when I was unlocked, because it went into a boot loop. That's why I decided to start over with a clean page. I haven't disabled any keyboards and I haven't removed my fingerprint.
Click to expand...
Click to collapse
You couldn't install OTA not because of unlocked bootloader per se, but because of TWRP or root.
You better had to remove fingerprint before forcing to relock bootloader.
Did you leave OEM (FRP) unlocked (it doesn't affect OTA anyhow) - then boot to Fastboot, unlock bootloader, install TWRP and use HWOTA to flash complete firmware
https://forum.xda-developers.com/showpost.php?p=75787156&postcount=3
Otherwise, if you could get over fingerprint, boot to the system and install GBoard (download the apk on the PC or another phone and put it to the SD card)
Last option, rollback to MM and then upgrade by OTAs to the latest Nougat.

zgfg said:
You couldn't install OTA not because of unlocked bootloader per se, but because of TWRP or root.
You better had to remove fingerprint before forcing to relock bootloader.
Did you leave OEM (FRP) unlocked (it doesn't affect OTA anyhow) - then boot to Fastboot, unlock bootloader, install TWRP and use HWOTA to flash complete firmware
https://forum.xda-developers.com/showpost.php?p=75787156&postcount=3
Otherwise, if you could get over fingerprint, boot to the system and install GBoard (download the apk on the PC or another phone and put it to the SD card)
Last option, rollback to MM and then upgrade by OTAs to the latest Nougat.
Click to expand...
Click to collapse
The problem is, I have no way of accessing the file system.

Take out SD card, put on DLOAD for rollback to MM.

zgfg said:
Take out SD card, put on DLOAD for rollback to MM.
Click to expand...
Click to collapse
I will try this, thank you! where can I find the correct rom for my phone model?

horesz1994 said:
I will try this, thank you! where can I find the correct rom for my phone model?
Click to expand...
Click to collapse
Firmware Finder

zgfg said:
Firmware Finder
Click to expand...
Click to collapse
Okay, so I've tried b136 and b167 (the two most common in these solutions in this forum), and both of them went to 5% and then came an error message:
“Incompatibility with current version. Please download the correct update package”
I'm truly lost now. Any ideas? Should I try every single package for the L09?

horesz1994 said:
Okay, so I've tried b136 and b167 (the two most common in these solutions in this forum), and both of them went to 5% and then came an error message:
“Incompatibility with current version. Please download the correct update package”
I'm truly lost now. Any ideas? Should I try every single package for the L09?
Click to expand...
Click to collapse
Here is a proven rollback guide
https://forum.xda-developers.com/showpost.php?p=73448165&postcount=371
Skip steps 7-8.
In step 9 you should get OTA updates till b504 for L09 (b399 for L19).
Steps 11-13 are about rooting by SuperSU, not part of rollback.
PS: This guide is for L09/L19 c432 - if your phone was diff cust, you should rebrand or use b182 for your cust (not b182 for c432 as in the guide - you should look for the appropriate FullOTA-MF-PV build in Firmware Finder - MUST be FullOTA-MF-PV MM for your cust)

zgfg said:
Here is a proven rollback guide
https://forum.xda-developers.com/showpost.php?p=73448165&postcount=371
Skip steps 7-8.
In step 9 you should get OTA updates till b504 for L09 (b399 for L19).
Steps 11-13 are about rooting by SuperSU, not part of rollback.
PS: This guide is for L09/L19 c432 - if your phone was diff cust, you should rebrand or use b182 for your cust (not b182 for c432 as in the guide - you should look for the appropriate FullOTA-MF-PV build in Firmware Finder - MUST be FullOTA-MF-PV MM for your cust)
Click to expand...
Click to collapse
Will do, but I have one more question; how do I find out my model number(cust)? the box only shows the IMEI and that it's EVA-L09 and nothing else. I can't access phone details in the phone itself because of the original problem.

I see for my L09c432 in this file:
/cust/hw/eu/prop/local.prop
at the end:
ro.comp.cust_version=Cust-432000 5.0.0.1(0001)
You can probably (never did myself) copy it by ADB commands to PC and read.
Maybe you need to unlock bootloader to get access.
In that case you can also install TWRP and copy the file to SD card, and then open it on the PC
PS: I usually save screenshots to the cloud with Build info (About), IMEI, etc...

zgfg said:
I see for my L09c432 in this file:
/cust/hw/eu/prop/local.prop
at the end:
ro.comp.cust_version=Cust-432000 5.0.0.1(0001)
You can probably (never did myself) copy it by ADB commands to PC and read.
Maybe you need to unlock bootloader to get access.
In that case you can also install TWRP and copy the file to SD card, and then open it on the PC
PS: I usually save screenshots to the cloud with Build info (About), IMEI, etc...
Click to expand...
Click to collapse
The guide you posted earlier worked! currently at b182, but haven't received any OTA yet (strange...). I'm now waiting for google play to update and install all the necessary apps though. Thank you, Thank you and THANK YOU!

So, is it normal that I'm now stuck on EVA-L09C900B182 ? Firmware finder is not working (not downloading, always getting error), and the stock huawei updater can't find any updates, so I'm now at emui 4.1.1. Will I receive those updates and should I wait, or should I flash from sd card the dload method?
Oh, and HiSuite also tells me that I use the newest update.

horesz1994 said:
So, is it normal that I'm now stuck on EVA-L09C900B182 ? Firmware finder is not working (not downloading, always getting error), and the stock huawei updater can't find any updates, so I'm now at emui 4.1.1. Will I receive those updates and should I wait, or should I flash from sd card the dload method?
Oh, and HiSuite also tells me that I use the newest update.
Click to expand...
Click to collapse
For OTA you must have SIM and must not be in Airplane mode.
It may take few hours or up to a day - it depends on your mobile operator.
Beginning of this year, last time I did rollback, I got b203 (if recalling correctly), then b383 or b387, then up to b398 (at that time).
Give it a try. Otherwise use DLOAD (use FF only for download), you must use FullOTA-MF-PV builds, only those work for DLOAD

zgfg said:
For OTA you must have SIM and must not be in Airplane mode.
It may take few hours or up to a day - it depends on your mobile operator.
Beginning of this year, last time I did rollback, I got b203 (if recalling correctly), then b383 or b387, then up to b398 (at that time).
Give it a try. Otherwise use DLOAD (use FF only for download), you must use FullOTA-MF-PV builds, only those work for DLOAD
Click to expand...
Click to collapse
okay, I'll wait til tomorrow. But the shady part is that even HiSuite can't find an update, what does my operator have to do with this?

I don't know how it depends on Huawei, ypur IMEI, SIM card... but once I was similarly waiting and both HiSuite and System Update told me I had the latest, and then same day later I got OTA push

Oops, sorry, I have overlooked that you say you are now on c900, not c432.
There are no OTA updates for c900
I assuned you have followed the rollback guide as above, didn't you - the guide included c432 b182 (not c900 b182), in which case you should have been getting c432 OTA updates

zgfg said:
Oops, sorry, I have overlooked that you say you are now on c900, not c432.
There are no OTA updates for c900
I assuned you have followed the rollback guide as above, didn't you - the guide included c432 b182 (not c900 b182), in which case you should have been getting c432 OTA updates
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Click to collapse
Yes, I followed that guide, and I don't understand why I'm on c900. Can you help getting me out of this situation? Private message convo is fine by me too.

horesz1994 said:
Yes, I followed that guide, and I don't understand why I'm on c900. Can you help getting me out of this situation? Private message convo is fine by me too.
Click to expand...
Click to collapse
Follow the guide
https://forum.xda-developers.com/showpost.php?p=72153575&postcount=2