How to Unlock BootLoader of any Android Device Using Fastboot

If you wish to install a Custom recovery like TWRP or CWM or a custom ROM like: Lineage Os, CyanogenMod, Resurrection Remix, AICP, Omni Rom, etc. your Android phone or Tablet’s bootloader needs to be unlocked. Many manufacturers put up a setup on their devices to let users unlock bootloader only when they request a bootloader unlock token. It is a very simple and easy method.You don’t need to have technical knowledge. You can do this by just issuing some fastboot commands.The process is same for most of the devices but there are Companies like Sony, Motorola, Huawei and other OEMs officially allow users to unlock the bootloader on their devices. So in today’s article, I am gonna be showing you guys how you can Unlock Bootloader of Any Android Device Using ADB And FastBoot on windows Pc.


  • Install ADB & Fastboot On Your computer.
  • Download and install Your Device Driver on your PC.
  • Unlocking the bootloader will completely wipe/delete all data on your device. Including photos, videos, movies, documents, apps, games, basically everything. So make you backup the important files before unlocking the bootloader. 
  • Charge your phone battery at least 50 - 60 % before starting the process. 
  • Follow the steps correctly otherwise, you may brick your device. We are not responsible for any damage to your Android Phone.

Follow these Simple Steps to Unlock BootLoader of any Android Device Using Fastboot

  • First you need to Install ADB & Fastboot On Your PC
  • Connect your device to the computer via Data Cable.
  • You need to Install your Device USB driver 
  • If the device ask for premission to allow USB debugging the allow it. 
  • Open ADB & Fastboot folder. 
  • Inside the folder press Shift + Right click and select “open command window here”.
  • In the command window type the below command to reboot your device into bootloader, ( Note:- If this CMD command is not work for reboot bootloader or fastboot mode, then switch off your BQ Aquaris M5 and press volume down and power button. You will get a vibration and your device will boot in recovery mode, then you select Reboot to Bootloader.)

“adb reboot bootloader”
  • device is connected to fastboot properly by typing the below command.

“fastboot devies”

  • This will show connected device ID in the command window. 
  • Now type the below command to unlock the bootloader of youre device(This will erase all the phone data). 

“fastboot oem unlock” 

  • If you get a confirmation screen on your device. Press Volume Up button to highlight Yes and press Power button to select it. This will begin bootloader unlocking process.
  • Once bootloader is unlocked, your device will reboot into bootloader mode. You need to boot it into system now using the below command .

“fastboot reboot” 

  • Type the below command to get the Unlock information 

“fastboot unlock-info”
During reboot, your device will go through a factory reset and Done. After Unlocking Bootloader you can Root your device and Install Custom recovery .