Steps To Unlock Bootloader on LG K42 (Beginners Guide)

We have included all the steps in this post to unlock bootloader on LG K42. Simply, follow this guide and you will end up unlocking the bootloader successfully.

If you get bored with the stock firmware of your smartphone and want to play around with more customization, then you will need to get your device rooted. But you can’t be able to root your device before unlocking the bootloader.

unlock bootloader

What is Bootloader?

In simple words, a bootloader is a set of instructions that are executed automatically, whenever the device is turned ON. The operating system and Kernel need bootloader instructions to start the boot process and operate the recovery mode.

By default, the bootloader of every smartphone is locked. The reason behind it is very obvious as every manufacturer wants the users to stay with their default provided skin and stock ROMs.

But as we know, Android is open-source and that gives more power and benefits to users to customize their smartphones with endless possibilities.

Therefore, Android also provides users an alternate route to customize their smartphones.

Benefits of Unlocking Bootloader
  • Gaining the root access
  • Allows to flash custom recovery
  • Installing different custom ROMs

Disadvantages
  • This process may void the phone warranty
  • The performance of your phone might also get affected
  • The process might brick your phone, if anything goes wrong
  • Might become a reason for disturbing the security of your smartphone
  • You might also lose the data available on your phone storage.

How To Unlock Bootloader on LG K42?

LG K42 unlock bootloader

Pre-Requisites

  • You need to charge your smartphone to at least 70% or above.
  • Grab the original USB cable of your smartphone.
  • Make a complete back-up of your important data. Note: It will wipe all the data available on your phone storage.
  • Download LG K42 USB Drivers.
  • Download ADB and Fastboot tool. Windows and MacOS

Step 1: Enable The Developer Option and OEM Unlock

To enter the process of unlocking, you are required to enable the developer option first and then USB Debugging and OEM unlock.

  • Go to Settings on your phone.
  • Locate the About Phone and then tap on Build Number several times until the Developer option gets enabled.
enable-developer-option
  • Get back to the main Settings and then tap on Additional Settings->Developer Option.
  • In the Developer options, enable OEM Unlocking.
enable-oem-unlocking
  • After that, enable USB Debugging.
enable-usb-debugging

Step 2: Unlocking Bootloader on LG K42

  • Download and install LG K42 USB drivers from the above pre-requisites section.
  • Grab the original cable of your smartphone and then connect it to your PC.
  • Turn your Phone OFF.
  • Now, extract the ADB & Fastboot folder and right-click anywhere in the blank space while holding the shift key to open the command windows or power shell windows.
adb fastboot folder
  • Proceed with typing the following command to check whether your smartphone is detected by the computer successfully:

adb devices

Now, type the following command to enter into bootloader mode:

adb reboot bootloader

To unlock the bootloader on LG K42, type the following command and press enter to execute:

fastboot oem unlock

That's it, you have successfully unlocked bootloader on LG K42.

How To Boot LG K42 Into Fastboot Mode?

  • Turn your Phone Off Completely.
  • Now, Press and hold Power, and Volume buttons simultaneously.
  • Once, the fastboot interface appears on the screen, release all the buttons.

Now Your Phone is in Fastboot Mode!

How To Open Bootloader Mode on LG Devices?

  • Turn your Phone Off Completely.
  • Now, Press and hold Power, and Volume down buttons simultaneously until you see the LG Logo on your phone screen. Once, you see it, then release the buttons.

OR

  • Press and hold the Power and Volume down simultaneously. When the LG logo appears on the screen, then release the buttons.
  • After that, again press and hold the same buttons until the bootloader windows appear on the screen.

Now Your Phone is in Bootloader Mode!