How to Unlock Bootloader on LeEco Le Pro 3

Today we will guide you on How to Unlock Bootloader on LeEco Le Pro 3. So before installing TWRP, LeEco Le Pro 3 should be unlocked. So here is the full guide to Unlock Bootloader on LeEco Le Pro 3 Smartphone. If you unlock bootloader you may void the warranty. By Unlocking Bootloader you can install TWRP, Flash Rooting Zip file or custom ROM on your phone. Read more What is unlocking below. Follow this guide on How to Unlock Bootloader on LeEco Le Pro 3. Try this only on LeEco Le Pro 3 smartphone. This method to unlock bootloader on LeEco Le Pro 3 is simple to follow. But please do read the steps below carefully.

How to Unlock Bootloader on LeEco Le Pro 3

How to Unlock Bootloader on LeEco Le Pro 3

Now you can unlock bootloader easily by following this simple guide on How to Unlock Bootloader on LeEco Le Pro 3. Official Bootloader Unlock for LeEco Le Pro 3 will also void the device warranty. So if you planning to unlock bootloader on LeEco Le Pro 3, then its always better to wait until your warranty gets over. In case if you have unlocked bootloader, then you can always re-lock the bootloader on your device anytime.

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.

About LeEco Le Pro 3

LeEco Le Pro 3 sports 5.5 -inch IPS LCD display with a screen resolution of 1080 x 1920 pixels protected by Corning Gorilla Glass 3. It is powered by Qualcomm Snapdragon 821 processor clubbed with 4/6GB RAM and comes with onboard storage of 32/64/128 GB. No microSD card support. LeEco Le Pro 3 comes with 16 MP Camera at the rear with an aperture of f/2.0 and comes with phase detection autofocus, and LED flash, it also has 8MP at the front for selfie shoot. The smartphone will come out of the box with Android 6.0 Marshmallow. LeEco Le Pro 3 supports dual sim and has Type-C 1.0 reversible connector. Other connectivity options are Wi-Fi, 4G, 3G, Bluetooth 5.0, NFC, Fingerprint (front) and GPS.

Before doing the methods, I just want to warn you that. By doing this, you will loose the warranty and sometime if you dont read the steps and do something wrong can brick your device. So read carefully before doing something wrong.

What you need:

  1. This Update is only for LeEco Le Pro 3 users.
  2. You need Laptop or PC.
  3. Working USB Cable.
  4. Charge your phone to at least 70% battery.
  5. is not responsible for any damage to your phone while installing this Update.
  6. Make sure that you have latest USB drivers installed.
  7. Download the ADB Fastboot tools. Watch Video on How to Install ADB Fastboot on your PC.
  8. Take a complete backup of your phone and then proceed.

Steps to Unlock Bootloader on LeEco Le Pro 3

  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 oem unlock
  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!


  1. PS C:\Users\nsa\Downloads\Android\lineage-15.1-20180912-nightly-zl1-signed> .\fastboot.exe oem unlock
    FAILED (remote: ‘oem unlock is not allowed’)
    Finished. Total time: 0.016s

    I have the phone in Developer Mode with Unlock OEM Enabled

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