How To Unlock Bootloader On Lenovo K9 using ADB Fastboot

Lenovo has gone with the relatively new MediaTek Helio P22 processor, also known as the MT6762 with the all new Lenovo K9. Lenovo K9 is a good looking smartphone at a budget price of Rs 8999 with good sound, good features. Its appearance is also stylish. Here in this guide, we will teach you on how to Unlock Bootloader On Lenovo K9 (PADV0030CN). To flash or root and even install custom ROM you need to unlock the bootloader on your device.

Lenovo K9 features a 5.7 -inch IPS LCD display with a screen resolution of 720 x 1440 pixels. It is powered by MediaTek MT6762 Helio P22 Chipset under 3 GB of RAM. The handset packs an internal memory of 32 GB and expandable memory is supported up to 256 GB. The camera on the Lenovo K9 sports a Dual 13 MP + 5 MP(depth sensor) rear camera and Dual 13 MP + 5 MP(depth sensor) front-facing camera for selfies. All these features are backed by a 3000 mAh battery and under the hood runs on Android 8.1 Oreo OS.

Now you can unlock bootloader easily by following this simple guide. Official Bootloader Unlock for Lenovo K9 (PADV0030CN) will also void the device warranty. So if you planning to Unlock Bootloader On Lenovo K9, then it’s always better to wait until your warranty gets over. In case if you have unlocked the bootloader, then you can always relock the bootloader on your device anytime.

How To Unlock Bootloader On Lenovo K9 using ADB Fastboot

What is Unlock Bootloader?

A Bootloader is a code which runs when we turn on our device. This code initializes some hardware and then loads the kernel and ramdisk, and gets the boot process going. So this process is known as Bootloader. The same concept applies to all the technical stuff such as Laptop, PC, Smartphones and any such device. Every Android OEM manufacturers lock the bootloader even though it is an Open Source. So if you want to try any CUSTOM ROM, it is impossible to load the CUSTOM ROM without the Unlock Bootloader. So Manufacturer made a policy of making the smartphone with Unlocked Bootloader will void the warranty. They want you to stick with the Stock ROM. Unlock Bootloader allows you to Root your android smartphone, Flash TWRP and Custom ROM in a simple easy method.

By Unlocking the bootloader, your warranty can void. So take your own risk. We are at GetDroidTips will not be responsible for any bricking/damage to your phone while/after installing this ROM.

Requirements:

  • To Unlock Bootloader On Lenovo K9 (PADV0030CN), you need a laptop or PC.
  • Charge the Lenovo K9 to a sufficient battery level to avoid any sudden shutdowns during the process.
  • We strongly recommend you to take a complete full backup of your personal data, including the internal storage. The phone will be formatted, so be prepared for it. You can also follow our Android backup guide for the same.
  • You need a USB cable to connect your phone to PC.

Required Files on your PC:

Steps for How to Unlock Bootloader On Lenovo K9 (PADV0030CN)

  1. First of all, enable the Developer Option
  2. To Enable the Developer Option, Go to your Settings -> About -> Software Information -> More -> Now Tap on the Build Number 7-8 Times until you see a toast message “Developer option enabledbuild
  3. Go back to settings -> Now you need to enable the OEM Unlock by going to Settings -> Developer Option and Enable OEM Unlock and USB Debugging

    OEM Unlock
  4. Download and Extract the Downloaded ADB fastboot Zip file on your PC.
  5. Now connect your phone to Computer using USB Cable.
  6. When you connect your Phone to Computer, please wait until all the drivers get installed.ADB Folder
  7. In your ADB fastboot folder open a command prompt window by pressing Shift Key + Right Mouse Click 
  8. Now type the command in your command window
    adb devices
  9. If you see a pop up to allow USB Debugging on your phone, Click OK pop up to allow USB Debugging
  10. Now type the command below to reboot your phone to bootloader
    adb reboot bootloader
  11. Once your phone reboot into bootloader, make sure your phone shows the bootloader locked and then type the command below to make sure fastboot drivers are installed properly.
    fastboot devices
  12. This command will list the connected devices. If your phones serial number shows up you are good to go and may continue. If the phone is NOT listed this indicates that your drivers are not installed correctly. In order for you to continue, you must fix your drivers so that your phone is listed under fastboot devices.
  13. If the phone has been recognized by the command above, proceed to unlock the bootloader with the following command:

    Remember that this step will wipe EVERYTHING off the phone 

    fastboot -i 9x2b4c oem unlock-go
  14. After the above command has finished executing, run the following
    fastboot reboot
  15. The phone will reboot. Wait until the phone has fully booted up into Android, and enjoy!

I hope this guide was helpful to Unlock Bootloader On Lenovo K9 (PADV0030CN). If you have any queries or feedback, please leave a comment below.

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