Tested with android 6.0 M.M

1. First download the two files from the links

All files needed to install twrp and root are in one zip file. Link is below.
https://mega.nz/#!D8MAwSzK!BYSzl4FGE…B7eMmfwdQjDoos

Usb ADB drivers for k4 note. Link below.
https://mega.nz/#!281yHDoI!iuIynHRqf…n1eExy_MYpr13o

Unlock bootloader.

2. Now in your mobile go to ‘Settings’ / ‘About Device’ / press 7 times on built number to unlock Developer options.

3. Now go to Developer options and click on ‘OEM Unlocking’ and press enable.

4. Next enable the USB debugging.

Your bootloader is now unlocked.

Now in PC extract the downloaded files

5. Install lenovo adb drivers ( it is in the link I have provided ) on your pc

6. Go to adb folder and press and hold shiftkey and right click with mouse. Select open command from here.

7. type adb reboot bootloader You need to authorize the pc if not done already. (The phone will boot onto fastboot, you can see small fastboot written on the left corner of the screen once the phone boots)

8. Now open adb folder and click  ‘unlock_recovery.bat’. A message will be displayed in mobile to press volume up key to continue. Press volume up key. A message in pc cmd will display as press any key to continue. Now press any key.

9. Now in cmd type fastboot flash recovery recovery.img

A message will be displayed as done.

Next part is very important

10. Dont boot into Android, directly boot into twrp to install magisk/su :

press volume up and down button together with power button. Once you see the lenovo white screen, release the power button, release the volume keys once the screen goes black, wait for few minutes till you boot into the new custom recovery.

To avoid black screen set brightness below 30 in twrp settings. ( Not so important if don’t understand how to do it )

11. Now the recovery allow modifications by just swiping and the goto mount and tick system and go back

12. Now go to advance >  file manager > system > delete the file named, recovery from boot.p ( if you are facing problem plz see point 14. )

13. After done do back and flash supersu.zip. (it is in the link which I have provided)

Now you phone is rooted and the supersu app will appear in the app drawer.

14. If you are facing problem with file manager flash aroma file manager ( it is in the link ). It will open in twrp. Now go to system and delete recovery from boot.p.

If you need to flash/unbrick/upgrade you phone, download this file A7010a48_S230_161129_ROW.7z : RAR Password : lenovo-forums.ru tested

credit to Ongoli Koushik

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