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i have P8 lite Dual Sim ALE-L21C185B160 how i can install marshmallow 6 on my phone

i have P8 lite Dual Sim ALE-L21C185B160 how i can install marshmallow 6 on my phone
my phone is bootloader unlocked
i have try the website method and did nt work it say cant upgrade
thanks for help

To unlock your bootloader register your imei(main imei) and sn here: https://emui.huawei.com/en/plugin.php?id=unlock&mod=detail
After that,enter phone in fastboot mode, enter fastboot and write this command: fastboot oem unlock yourcode

VladHD
thanks for reply but i have already done with this

And is not working?

http://huaweip8lite.blogspot.com/2016/04/tutorial-huawei-p8-liteale-l21.html
try from this link...

P9 Lite bricked

Device: VNS-L21 Europe Hello, before brick I was on new emui 5.0 firmware and I installed nougat twrp recovery by user @BadWolfYe and then I flashed this rom: https://forum.xda-developers.com/huawei-p9lite/development/unofficial-huawei-p9-lite-t3540493 (I was following all instructions) After reboot It was stuck on Phone is booting... And I tried downgrade guide from this thread: https://forum.xda-developers.com/huawei-p9lite/how-to/nougat-official-firmware-t3512932 I flashed oeminfo zip and dloaded update.app but unfornately zip where I get update.app was corrupted..... Now I have only Huawei eRecovery, dload and fastboot but It doesn't allow installing twrp!!! When I dload UPDATE.APP It says Software install failed. Failed to check the update package. Please download the package again. Please help me!!!!!!
EDIT: I found solution to enter in real recovery(TWRP for nougat)
What I did was:
1. Enter in fastboot
2. connect phone to computer
3. open cmd and type: fastboot -i 0x0fce oem unlock xxxxxxxx (replace xxx with your code)
4. accept fastboot unlock
5. And then it magicaly booted into twrp (my phone's fastboot was unlocked before)
Now I am going to flash back emui 5.0
And then downgrade to emui 4.1
And then I will try to install this: https://forum.xda-developers.com/huawei-p9lite/development/unofficial-huawei-p9-lite-t3540493
Later I will update this post and I will write does it suceed or fail.
Edit 2:
I flashed emui 5.0 with dload and UPDATE.APP

Try to recover your phone using hisuite ?

simo255 said:
Try to recover your phone using hisuite ?
Click to expand...
Click to collapse
I wrote an edit how I repaired my phone

hello, i'm using Huawei P9 Lite VNS-L21. i tried to flash the stock nougat Firmware Which i actually did and it worked flawless! but there was a little problem because there wasn't any Software update option in there, so after that i wanted to downgrade to stock MM. IDK what happened wrong while installing that, my phone got BRICKED. i don't have the Erecovery and twrp either. i cant flash firmware via DLOAD Method. the only thing i have is FASTBOOT mode..
i tried literally everything.. but nothing working..
I sent it to HUAWEI CUSTOMER CARE and they returned it back after a couple of days...
im really very worried because ive been using this phone for like 2 months ... and now im helplesss, If anybody is reading this please help/ assist me out of this..

Fastboot & Rescue mode, Phone Unlocked

I think I bricked my huawei p8 lite.
I rooted my phone and try updating with zip file but this is what I got.
FASTBOOT & RESCUE MODE
Phone Unlocked
Please help me recover my phone.
Thanks
Stickie
Papua New Guinea

My phone maybe brick :(

Hi everbody. My phone unlocker bootloader today .
My phone not open . My phone just opened huwaie logo and restart . I just using fastbood . My fastbood working but dload not working . My twmrp working but ı dont install room with tmrwp . Please help me . thank you

If you have TWRP is that you have installed it...
What ADB command used ?
Just "fastboot oem unlock OEM_CODE" ?
Or "fastboot flash XXX"
What your variant model? (VNS-XXX)
Please follow steps >> HERE

Therand said:
If you have TWRP is that you have installed it...
What ADB command used ?
Just "fastboot oem unlock OEM_CODE" ?
Or "fastboot flash XXX"
What your variant model? (VNS-XXX)
Please follow steps >> HERE
Click to expand...
Click to collapse
I using fastboot oem unlock OEM_CODE" ? and fastboot flash recovery trwp.img
My version pralx1 . My trwp opened but problem invalid argument mount ....
My fastboot working But ı dont have custom room files I dont find my files

DJ_OZKAN said:
I using fastboot oem unlock OEM_CODE" ? and fastboot flash recovery trwp.img
My version pralx1 . My trwp opened but problem invalid argument mount ....
My fastboot working But ı dont have custom room files I dont find my files
Click to expand...
Click to collapse
PRA-LX1 is P9 lite 2017 is not same P9 lite VNS-LX.
I not able to help you, i don't have this model.
Post on Huawei P9 Lite 2017 (General) section for more view by huawei p9 lite 2017 customer.
Good luck

I bricked my Huawei Mate 9 MHA-L29 (C567)USA

Hi everyone, I bricked my phone trying to downgrade from Oreo to Nougat.
I extracted the img. files from UPDATE app with Huawei extractor. and flashed via fastboot
But the same error still there.
fastboot flash kernel
fastboot flash ramdisk
fastboot flash recovery_ramdisk
The same ERROR MODE still there. plus I bought some credits on DC Phoenix and did not help at all
I download all the files but I got this error:: -FAIL Command not allowed-
I attached some pictures of the errors.
My phone is totally dead, I will really appreciate your help guys
thanks