Today i found the Root & Installing Custom Recovery(TWRP) in P9 Lite surely...
I will Provide correct info and help......All This you are gonna do is At your Own Risk... Damage to your device of any type is at your Own Responsibility,,, Don't point finger at me or I will Just Laugh at you...
First of all, You should Unlock Bootloader so that on every reboot, Your Root shouldn't damage. You can unlock bootloader by simple procedure...and also enable the USB Debugging from Developers options in settings...
FOR UNLOCKING BOOTLOADER, FOLLOW THIS
Go to this site Unlocking Code website or use this if above have some problem or not working, then Use this Website
Login to this site using your Huawei id which you made in themes store or in huawei cloud!!
Use the Serial Number Written on BOX OF YOUR PHONE..!!
Fill like, smartphone>Product Model should be "HUAWEI VNS-L21" or "HUAWEI VNS-L31"
then fill all fields and captcha also.. Click Submit and get the UNLOCKING CODE....
you can unlock bootloader wid that code then and root permanently....
If your product id is incorrect as website says, then Download the Attached PC Software Named "Huawei Product ID Generator" then Extract this zip file...
Now open it, fill all Info in it and it will Generate a Product ID for your Phone....
After receiving the unlock code, write down the code;
Now go in your P9Lite's Settings>About Phone.
Then tap on Build number 10 times,,, you will get the Developers options in Last of Settings app. Open Developers option and Turn On the USB DEBUGGING.
Now connect your device to PC in MTP/FILES mode and then install the ADB drivers for it....
To install adb drivers correctly, use the Software Adb Driver Installer from here
LINK FOR ADB DRIVER INSTALLER
Full ADB folder is also attached Below.... put this folder in drive C.
Now Direct the cursor on the folder ADB, hold Shift and the right mouse button and choose "Open Command Window";
connect your phone to the PC in the "media device";
at the command prompt prescribe ADB Devices ;
then we write ADB reboot bootloader (the device will reboot mode fastboot);
then typed fastboot oem unlock **************** (where the asterisks replace unlock code);
BOOTLOADER UNLOCKED NOW!!
Now You are Ready to install TWRP recovery in Marshmallow.... Download the Root and TWRP recovery File from here...
This File Also contain Stock Recovery of P9 Lite
P9 Lite Root, TWRP and Stock Recovery by HassanMirza01
After this, unzip it and better come again in Fastboot Mode like above as explained,
After that, type fastboot devices to see if your device is correctly attached to PC or Laptop. if yes then type this command in cmd to install the Custom Recovery(TWRP) in your phone.
fastboot flash recovery twrp.img
This will reboot your phone and TWRP installed.
Gonna Done Root now... READ CAREFULLY..
Now there is zip file named Root-SuperSU-v2.65, Open TWRP recovery by long pressing Power up and Home button when switched off, after that, swipe for modifications, change the language to english as recovery is in Chinese, go in 6th menu, one above from last and select english...
install this zip file with TWRP and reboot, if supersu appear on 2nd page of your home screen, it is done, if not, do it again and this time it will surely done....
Then reboot your phone and then supersu will be stable,,,
Now you have Successfully Rooted P9 Lite
Hit Thanks and Support me if you Like and get help from this thread...Thank you...
XDA: DevDB Information:
[ROOT][P9 Lite] Root, Recovery & Bootloader Unlock by HassanMirza01
Stable Release Date: 2015-09-28
Created on: 2016-09-08
Last Updated on: 2016-09-08