[Lenovo Vibe K4 Note Guides, News, & Discussion] Sahil_Sonar:
Overview​

Many people asked me on telegram how they can unlock their bootloader and flash TWRP, as obvious I helped them but then again few people asked me... I was wondering telling entire steps again and again will waste a lot of time so I decided why not on xda-developers?

So here it is presenting a "Noob way to unlock boot-loader, flash recovery" :laugh:

Disclaimer​

Downloads​

1. ADB Driver 1

2. ADB Driver 2

3. Windows 10 Updater

4. ADB Toolkit

5. TWRP ​

​

Installations​

Now it's not hard but still like a manual, I have added this. To install the drivers first and most important is to update Windows to its latest release. Extract .rar/.zip files downloaded from the above download section and go to the ADB Driver 1 & 2 folder and look if there is an executable file like .exe/.bat if yes then run it as admin and all set if there isn't then you may see a setup information well simple look for a file ends with .inf extension. If you find such a file then simply open device manager and click on your PC name for e.g my PC name is MINIX and then click on action tab select add hardware legacy --> Next --> Search and install automatically --> Next --> Show all --> Next --> Have Disk --> Browse and then go to the folder where the .inf/setup information file is located click on it --> Next and then it may pop up something like driver signature verification failed for it just move HERE All set ! But I would suggest to do a windows update check again for proper installing of drivers and then restart.

Process​

Now it's not rocket science! Let's begin!

* Update your phone to latest firmware S232 (Necessary)

* Open ADB Folder

* Copy Downloaded TWRP to ADB folder

* Rename TWRP image to recovery.img

* Move to your mobile turn on USB debugging and OEM unlocking (These options are there in developer option)

* Connect USB (Will pop up some prompt, allow for this pc if still not then revoke USB permission and check back! )

* Run .bat file called as unlock_recovery.bat

----------(Your Phone will reboot into fast boot mode and will start Unlocking process just hit volume up key on your phone when you see a prompt written in small letters)---------

* Now open the cmd/PowerShell in ADB folder itself for that hold shift key and right click will see a prompt with PowerShell/cmd click on that if still confused the go-to address bar and type cmd there. That's its!

* Type the commands one by one has listed :

fastboot devices
fast boot flash recovery

Now its important that you reboot into recovery for the first time just after recovery flash or else you will need to do entire process again … Now to boot into recovery you will have to hold power key & both volume keys at a time until you see Lenovo logo, then release the power key and volume keys. After the TWRP logo, it will take some time! So wait, but if not boot into recovery do all the process again !

Cheers :good: you have successfully installed TWRP now ! If still not :rolleyes: then don't worry drop a replay below so that we can assist you :D I don't want to make money from this so no donations but still if you want to appreciate my work just hit the small button of :good: That's more than enough for me :cool: