Download Universal Bootloader Unlocker all-in-one tool v4 for Android and all Samsung smart phones free 2018. This software tool is compatible with PC Windows XP, Vista, 7, 8, and Windows 10. You can perform different useful task by using Bootloader unlocker software tool. It is working individually to unlock your smart phone or relock your Android device. Bootloader unlocker tool all in one software tool has different options to unlock a smart phone. You can download Universal Bootloader unlock and relocker for Samsung and other all Android smart phones from below here.

Bootloader Unlocker Tool v4 for Android Download

There are different useful features in the bootloader unlocker tool. You can check before download and use it. The best advance features of this tool are “no commands required to use anymore, exciting performance of Unlock/ Relock bootloader, Bootloader working based on three different types of flash recoveries, Root both locked/ unlocked bootloader, It has merged with old master tool”, and more other features for free.

Required Gadgets

  • Requires PC Windows
  • All Android Devices
  • A compatible USB cable to connect mobile with PC
  • You must download specific USB drivers


  • No commands required
  • A free locked and unlock bootloader
  • Root and Flash both unlock and lock bootloader
  • Three various types of flash recoveries
  • The previous tool “master tool” has been merged in the latest version tool

How to Use Booloader Unlocker Tool

  • Download the latest version file setup below
  • Extract the downloaded Zip file
  • Double click onĀ all-in-one-tool.bat
  • Now follow the instructions which will be shown on screen
  • Install drivers on PC
  • Connect your mobile phone with PC in the switch on mode
  • Now this tool will recognize your phone, and will show the detail on it
  • After it, you can run unlocking process very easily.

About BootLoader Unlocker

  • Name: Bootloader Unlocker tool for Android
  • Version: v4 (2018)
  • File size: 14.85MB
  • Developer: BootloaderUnlocker
  • License: Freeware (Open source)
  • Language: English
  • Compatible with: Windows PC
  • Supporting to: All Android Smart phones including Samsung

Download the latest version bootloader unlock and lock mobile tool free for PC Windows. There are different useful features in the latest version of bootloader unlocker tool. You can download directly by following the given downloading link below. The given downloading link has been brought you from the XDA forum, where the developer has shared it with users. There are different searches for this tool with different keyword. It is genuine software tool. You can download it without any problem, and use it without any issue. Start downloading of bootloader mobile tool free here.