How to Unlock Bootloader of Android Device Via FastBoot

How to Unlock Bootloader of Android Device Via FastBoot

Users who own an Android smartphone can’t stop themselves from tweaking, customizing, changing, and optimizing its OS and internal system to install a new custom ROM, backup their system data, root their device and so on. Before you do any of this tricks and tweaks, the first thing one should do is to unlock the bootloader of their Android device.

This post will show you step by steps guide on How to Unlock Bootloader of any Android device via Fastboot without any errors what so ever, before installing Recovery or tweaks on your device, your device bootloader should be unlocked. By unlocking the bootloader of your Android device, it will void the warranty from the company to you.

What is Bootloader?

A Bootloader is a code input by a manufacturer which runs on every Android device when turned on. This code helps to boot up some hardware then loads ramdisk, the kernel, and gets the booting up process in working mode. So this whole process is known as Bootloader. This concept applies to all stuff such as PC, Laptop, Smartphones every Android OEM manufacturers lock their bootloader even though it has an Open Source so that its users will stick their FACTORY STOCK ROM. So Manufacturer made a policy that anyone who Unlocks its Bootloader will void their warranty. All this is for you to stick with the Official Stock ROM. Unlocking Bootloader allows you to root your Android device Flash custom recovery and Custom ROM.

Before Unlocking your bootloader, Techswizz just wants to warn you that By doing this, you will for sure void your warranty and sometimes brick your smartphone. So Do read this post carefully before Unlocking your device.

Follow the guide below to Unlock the Bootloader of your device,

How to Unlock Bootloader

What you need:
  1. A Laptop or PC.
  2. USB Cable.
  3. Your phone with 70% battery Charge.
  4. MTK USB drivers installed.
  5.  Adb and fastboot driver
  6. Full backup of your Android device file and then proceed.

Steps to Unlock Bootloader of Any Android Device

  1. The first thing to do is to enable the Developer Option on your Android device
  2. To Enable the Developer Option of your device, go to your Settings then  go to About then to Software Information then to More then Now you Tap on the Build Number 7 Times until you see a pop-up message “Developer option enabled
  3. You are now a Developer
  4. Go back to your device settings -> Now you need to enable the OEM Unlock by going to the Settings -> Developer Option, and Enable your OEM Unlock and USB Debugging.
  5. Developer Option, and Enable your OEM Unlock and USB Debugging
  6. Now extract and install the ADB fastboot Zip you downloaded on your PC.
  7. Now you can connect the Android device to your Computer using USB Cable.
  8. When you connect your device to the Computer, please wait until all the drivers get installed.
  9. In the ADB fastboot folder open the prompt command by pressing this key Combo (Shift Key + Right Mouse Click).
  10. Press Shitf Key + Right Mouse buttpn to open CMD
  11. Now type this below command in your command prompt window
    adb devices
  12. After typing the above command, you will a pop-up to allow USB Debugging on your Android device, Click OK.
  13. Pop up to allow USB Debugging
  14. After doing the above, type this command below to boot your device into bootloader
    adb reboot bootloader
  15. Once your device boot into bootloader, then type this command below to make sure fastboot drivers are installed properly.
    fastboot devices
  16. The above command will list the connected device. If your device serial number shows up, you are now good to go and may continue. If your device is NOT listed, this indicates that your MTK drivers are not properly installed. For you to continue, you have to install MTK driver properly so that your device will be listed under fastboot devices.
  17. Computer fastboot device
  18. If your Android device has been recognized by the above command, proceed to unlock your bootloader with the below command:

    Remember that this step will wipe EVERYTHING off the phone 

    fastboot oem unlock
  19. After the command above has been executing, run the command below
    fastboot reboot
  20. Your phone will reboot.


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