help installing custom recovery and rooting huawei p8 android 6.0 - Huawei P8 Questions & Answers

i have been trying to install custom recovery on my huawei p8 for a very long time but whenever i run the flashing script in command prompt it gives me an error ( command not allowed). my phone is unlocked and i have the proper drivers installed. my phone is running android 6.0

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P8 lite ALE-L21 Installing SuperSU

Hey everyone, I kind of have a problem rooting the phone
So it's like this:
I follow a couple of guides, here's one of them: https://www.youtube.com/watch?v=duquOuRqYDM
All goes like planned but the phone gets stuck at the ADB Shell command, I can't use shell, it takes ages and when any button on the phone is pressed it just finishes the command, showing no errors, just a new line asking me for a command (like C:\>)
Anyways, I got the shell command to work using another recovery; TWRP, but the problem here is that it will not work, it breaks the boot, I can't start the phone anymore because it gets stuck at the second boot screen
(is the screen after the one with the "Powered by Android" logo)
I got a backup to revert to which is no problem, it's on an sd card (thank God)
The phone is unlocked and all, I just can't install root and KingRoot didn't work neither.
I'm on the latest firmware, do I need a downgrade (last resort, I don't have too much internet bandwidth) or is there a way to do this
Note: install from ZIP on twrp didn't work neither.
Thanks in advance,
Ozi
I'm currently downgrading from 6.0 to 5.x with the UI thing version 3.1 (I honestly forgot the name)
EDIT: no luck on B188
EDIT2: fixed, downgrade and kingoroot at firmware B188, then manually install supersu from play store and update su binary

Huawei P9 lite VNS-L21 Massive Fail. Please help me out

Okay let me explain situation...
I wanted to unlock bootloader,install twrp, root it and install custom rom
I did unlock bootloader with SKRToolHuawei and it was pretty easy,also I installed twrp, then I installed SuperSu in my phone and everything was fine.
Until i dowloaded wrong version of CM 14.1, being a massive noob i though i could change my android 6.0.1 to 7.1 and i got the wrong gaps. In the tutorial it said to wipe cache,dalvid and system. Once i deleted system and got a fail error i realized what I have done and tried cm 13 (Meticulus) and again i got an error message saying that i need twrp version of meticulus.
So I dowloaded that version tried to install with adb using command:
1.Fastboot reboot bootloader
2.Fastboot flash recovery (In the tutorial it said its going to replace old version of twrp so I don't have to delete it)
And I rebooted my Huawei and it does't have a custom recovery for some reason. Now SKRToolHuawei and adb does't see my device and I'm in panic because I don't know what to do: crying::crying::crying:
Nothing works for me and I really need my phone.
Please help poor man out :crying:
Man, you can boot you phone in fastboot mode?
Connected to PC appear as <serial number> when you run command: devices?
gtdaniel said:
Man, you can boot you phone in fastboot mode?
Connected to PC appear as <serial number> when you run command: devices?
Click to expand...
Click to collapse
No, now it does't detect anything after installing meticulus.
I guess it does't have twrp now for some reason
Can you fix it? Please don't say its gone and unfixible
You have to reboot your phone in bootloader...
Until you do that you can not move ahead...

P9 Lite VNS-L21 won't boot into TWRP

Hello
As menitoned, my phone won't boot into TWRP, it does boot into Android 7.0 EMUI 5.0, can boot into revolutionary recovery, but no, not TWRP... Bootloader is unlocked! Please help
Are you certain it's not booting into TWRP? The reason I ask is I thought I couldn't boot into the custom recovery programme either: it kept loading EMUI, using the phone's buttons. In my case, ver.4.1.1
Have you tried booting via ADB commands? I had reloaded a stock update, then unlocked the bootloader for a second time, only find the same scenario. It wasn't until I tried rebooting with ADB that it actually loaded TWRP.
In case you aren't familiar with the commands. Install ADB Tools, then open a command window from the correct folder location, where ADB tools are installed. To check the PC recognises the device, use:
adb Devices
it should show the device's serial number {I think}. Then:
adb reboot recovery
it should reboot into recovery mode. If TWRP has been installed correctly, it should load into it. Otherwise...I don't have a clue what the issue is. All the best.

Unable to flash custom recovery in adb (Huawei P9 Lite)

Hello,
I have a problem with my Huawei P9 Lite. Build number is: VNS-L31C900B161
Whenever I try to flash twrp using adb I get the message
"writing 'recovery'...
FAILED (remote: Command not allowed)"
My bootloader is unlocked and I just flashed a new firmware. My main goal to to switch to yet another firmware since the one I'm on right now doesn't allow me to open the Play store.
I want to switch to C432 in order to be able to update through the stock recovery (C900 firmwares are nowhere to be found) and I read in another thread that I need to flash oem info using TWRP. If anyone knows another way I'd appreciate some directions.
Oem unlock aswell as USB debugging are enabled.
I'd greatly appreciate any help.
Hello! I have a very similar problem with my P8. Unfortunately so far no one has ever been able to help me. Previously I had 2x Huawei P8 and one P9.I modified all the different methods. I've had some time to learn but this case is beyond my skill.
In my case also the bootloader - unlocked (all known methods for verifying bootloader status show that it is unlocked). Because my phone is connected to a computer running Windows 10 64b tried the methods without the driver signatures (quieter I do not think that is the problem in this because other P8 unlocked on the same computer, the same ADB drivers etc ...) I've tried adb over wifi and even these dubious methods without using a PC. Nothing. The only response: "Command not allowed ". Maybe I will add that dedicated tools type SRK Tools , HWMultitool, WinDroid ToolKit They perform a normal TWRP boot procedure and show that the procedure was successful (!!!) .... and nothing. Black magic. So far in 3 different sites they could not explain it to me.Finally, I will add that this particular P8 is a copy that I got under warranty (previous P8 unfortunately fell but honestly gave me a whole new ... But without any box, Without anything, the phone itself ... Any such blockade made in Huawei?
me2

Unable to install TWRP recovery on Zenfone Max Pro M1

Hi all,
I have this X00TD model, and I recently updated firmware to WW-16.2017.2002.061. The phone has Android recovery, and I want to install Lineage OS. Whenever I try to install Lineage, I get the error 21 "signature verification failed". I read somewhere that I can disable the signature check in TWRP. But TWRP fails to install, whatever I try. I tried 3 different unofficial versions of TWRP (as my phone model has no official version of TWRP) and in fastboot, when I give the command "sudo fastboot flash recovery <filename>.img", nothing happens, and the process just freezes, and I need to kill the terminal to end the process. I have Ubuntu 18.04 installed. ADB and fastboot seem ok. When I type "sudo fastboot devices", my phone entry comes up. Any help would be welcome. I don't have windows os.
Thanks.
akhil520c said:
Hi all,
I have this X00TD model, and I recently updated firmware to WW-16.2017.2002.061. The phone has Android recovery, and I want to install Lineage OS. Whenever I try to install Lineage, I get the error 21 "signature verification failed". I read somewhere that I can disable the signature check in TWRP. But TWRP fails to install, whatever I try. I tried 3 different unofficial versions of TWRP (as my phone model has no official version of TWRP) and in fastboot, when I give the command "sudo fastboot flash recovery <filename>.img", nothing happens, and the process just freezes, and I need to kill the terminal to end the process. I have Ubuntu 18.04 installed. ADB and fastboot seem ok. When I type "sudo fastboot devices", my phone entry comes up. Any help would be welcome. I don't have windows os.
Thanks.
Click to expand...
Click to collapse
Fastboot flash recovery twrp.img
Sent from my ZenFone Max Pro M1 using Tapatalk
If you can't install TWRP on pie, try reverting to Oreo with AFT and then flash TWRP in fastboot. Also make sure you have unlocked the bootloader whether by the official tool or the unofficial method. THIS WILL DELETE ALL DATA SO BACK UP.
Thanks arko. Is there Asus Flash Tool available for Linux also? Will try and revert. Thanks :svetius
Tried reverting to Oreo with AFT, doesn't work. I installed windows 10, but fastboot doesn't work.
#fastboot devices gives me no output. I have the Oreo zip file, any alternate way I can install it? As you mentioned, there seems to be an issue with the pie ROM on my phone. Any way I can downgrade to Oreo using windows/Linux?
akhil520c said:
Tried reverting to Oreo with AFT, doesn't work. I installed windows 10, but fastboot doesn't work.
#fastboot devices gives me no output. I have the Oreo zip file, any alternate way I can install it? As you mentioned, there seems to be an issue with the pie ROM on my phone. Any way I can downgrade to Oreo using windows/Linux?
Click to expand...
Click to collapse
Windows 10 ? Its bcuz Driver Signature Enforcement
Disable it and reinstall adb and fastboot drivers, it will work for sure.
Windows driver security wouldn't accept drivers without proper Signatures,so like i said, just disable it and you are good to go.
:good:
​
Tried steps you mentioned, doesn't work. In fastboot mode, #fastboot devices gives me no output. Looks like my pie ROM is buggy. Basically, I need to install lineage on the phone.
Hi all,
Finally got everything done in about 5 mins I booted up Ubuntu Mate (32 bit) on my other laptop, and found I'd already installed adb and fastboot on it from the repositories (not from google). I booted my phone in fastboot mode, and tried the #fastboot devices command, and voila, my phone got detected! After that, it was a matter of a few minutes, following the installation instructions (of twrp and lineage) from the lineage website. Thanks for all your inputs and help
P.S: I realised (again), after more than 2 decades, that windoze mighty sucks lol.

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