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After B852 OTA Update: Software bricked ?

Hello Community,
Today I got a strange prob with my huawei ascend p7-l10:
After succeded update to B852 my Phone didnt boot properly. But Fastboot and Recovery works flawless.
Story:
My phone was on Stock firmware B839 (rooted), with unlocked bootloader and TWRP recovery flashed.
Today updated manager prompted: New Update (B852) available. So I flashed the stock recovery for EMUI 3.1 and rebootet my phone, then I installed B852 per OTA and flashed it successfully.
Then After the phone reboot I got the screen: "Optimizing Android Apps". On 71 from 91 Apps (Optimization) I directly got a black screen. I rebootet my phone....
Now the phone hangs directly after the Huawei Boot logo. rebootet... and again blackscreen
After a third reboot Android starts again with Apps Optimizing (but now not 91 Apps, only 80 Apps).
I rebootet more then three times and it didnt work.
I Also tried to wipe cache and dalvik, also tried to factory reset my phone. All without any success
Anyone knows, how I get this fixed ?
Have a nice day and also christmas days
EDIT: Sorry guys, topic can be closed. I solve the problem by myself.
Solution if anybody have similar issues:
1) Flash TWRP
2) Wipe Cache Dalvik and do a factory reset (within TWRP)
3) Flash any custom ROM (example My-Rom)
4) Download B839 (Complete) Firmware from (for example) http://www.huaweiblog.de/
5) create a dir called "dload" on SD-Card and put the UPDATE.APP in there
6) flash stock recovery for EMUI 3.1 (dont forget to activate ADB)
7) In Huawei update manager: do a local update and select the UPDATE.APP
8) After success flash: Boot again into recovery mode - First select Wipe Cache and then select Factory reset
9) Boot into normal android and connect with your WLAN
10) Check for updates and download B852 Firmware thru Huaweis update manager and install it
Optioal (only if root access wanted):
11) flash TWRP recovery again
12) Boot into recovery mode
13) Flash SuperSU zip file in TWRP.
done!! Now B852 (maybe with rooh) works flawless

P9 Unable to get into TWRP due to flashing a different ROM

So I installed a version of the P9 OS EVAL09 from here - https://forum.xda-developers.com/p9/development/bluewei-test-crossflash-to-l09-c432-t3608270 the B387 version.
Prior to this, I was running unofficial CM 13 with TWRP installed, and it worked mostly fine.
The B387 .zip had a .update log which I was supposed to install via SDcard upgrade or something like that, however instead I removed a few lines from the update binary and installed via TWRP (in hindsight, probably what caused this problem).
Since then, I have launched into the new ROM with the purpose of updating, then moving to the unofficial Lineage OS.
However, I have encountered the biggest problem which is that, when I tried to reaccess TWRP it would automatically redirect to Huawei eRecovery, which does not allow me to reset/upgrade (as it says package info isn't correct).
I then tried to redo the process of flashing TWRP via ADB fastboot, and then it says that writing recovery has failed.
I can't download the stock ROM from huawei hicloud from the thread here - https://forum.xda-developers.com/p9/development/rom-stock-rom-eva-l19c636b168-t3419586 - as it always says the website is unavailable.
So far, the current OS installed is unusable, and I do not have any custom recovery software. If I can get TWRP to work again, then I should be ok as I made backups before.
edit 2018-01-18: The fix is to make the dload folder in the sd card and hard flash the ROM, which will get me back to a working stable version.

Failed installing SUPERSU on HUAWEI P9 PLUS

Hi I am not able to install SUPERSU.zip in recovery mode, does anyone know the solution?
Device: HUAWEI P9 PLUS
1. I unlocked my phone with fastboot.
2. I installed the TWRP recovery mode.
3. When I try to install SUPERSU.zip file in TWRP mode the phone just restarts after a few line. I've tried to place the file both in phone or sd card, same issues.
Please reply if you can help, thanks!

Probably hard bricked Honor NEM-L21

Hello everyone,
Yesterday i flashed a file with TWRP which enables google camera on my Honor 5c NEM-L21 and when i rebooted, phone booted into erecovery where i can select only 3 options (1.download latest version and recovery, 2. reboot 3.shutdown) When i tried downloading latest version it failed every time... I can't do anything with my phone, tried factory reseting and wiping with TWRP but problem persists... Tried flashing other firmwares with dload method but every time it fails at 5%... I'm desperate, any help would be appreciated.

santr33 said:
Hello everyone,
Yesterday i flashed a file with TWRP which enables google camera on my Honor 5c NEM-L21 and when i rebooted, phone booted into erecovery where i can select only 3 options (1.download latest version and recovery, 2. reboot 3.shutdown) When i tried downloading latest version it failed every time... I can't do anything with my phone, tried factory reseting and wiping with TWRP but problem persists... Tried flashing other firmwares with dload method but every time it fails at 5%... I'm desperate, any help would be appreciated.
Click to expand...
Click to collapse
Which firmware number did you tried??

Magisk soft-bricked my device after flashing through TWRP Recovery

Ok, so I had installed Magisk, it was fine, but i tried to flash the update (not related i dont think, just my magisk was outdated) After TWRP flashed successfully, my phone was soft-bricked. it restarted 3 times and then (as i have Huawei p8 lite 2017) eRecovery said something was wrong with the latest boot. I installed and updated eRecovery, and it (obviously) deleted TWRP, along with the root. This was attempt No. 1. I then flashed TWRP again, successfully, and went to reinstall the same downloaded magisk, and the flashing was successful, and i rebooted only for a soft-brick to occur again. I am currently installing the eRecovery to remove TWRP again, however this is annoying . as it was working PERFECTLY then i tried to reflash then everything failed. Please help me as i dont know what to do now. I cant show specs its running EMUI 8.0, ANDROID OREO, Its a Huawei p8 lite 2017 (Same specs as Honour 9 lite and like 3 other phones, unsure of the model)
***MY BOOTLOADER IS UNLOCKED IF IT WASNT CLEAR!***
Edit : Version : PRA-LX1 8.0.0.362(C442)
Obviously i cant ask Huawei support as i have voided my warrantee.
I await your instructions