How to unlock bootloader and root Lenovo k8plus/note

How to unlock bootloader & get root for Lenovo K8 Plus

Note- Unlocking bootloader will remove your device's warranty

requirements

1. Make sure that your phone is atleast 40% charged.
2. Follow all steps correctly otherwise your devicedevice boot up.
3. Download Lenovo  usb drivers  and then install them.
4. Download ADB & Fastboot Drivers

First you have to Unlock Bootloader (follow the steps below)

1. At first enable the developer Options and, 
To Enable the Developer Option, Go to your device's Settings > About > More > Now Tap on the Build Number 10 Times until you see a message “Developer option enabled succesfully"

2. Go to settings > Developer Options and then Enable OEM Unlocking and USBDebugging

3. Extract the ADB fastboot Zip file on your PC.

4. Now connect your phone to Computer using USB Cable.
Note-Note original cable

5. Go to ADB fastboot folder  and open a command prompt window by pressing Shift Key + Right Mouse Click 
Now type the command in your command window

Code:

adb devices

6. If you see a pop up on your phone to allow USB Debugging, thrn Click OK 
Now type the command

Code:

adb reboot bootloader

8. If the phone has been recognized by the command above, proceed to unlock the bootloader with the following command:

Code:

fastboot oem unlock

9. After the above command has finished executing, run the following

Code:

fastboot reboot

The phone will reboot now.

Root method
1. Download patched_boot.img for rooting.(CREATED BY MAGISK)

Instructions:-

1. Connect up your phone then type the command given below in command window:-

adb reboot bootloader

2. Copy patched_boot.img in adb folder.
Thwn type 

fastboot flash boot patched_boot.img

After booting your device download magisk manager apk from internet.


Wohoo 
you're rooted.

If you want stock Stock firmware then you can download it from - here