Unlock Bootloader on any Samsung Galaxy Phone [2022 Guide]

If you own a Samsung Galaxy phone, you may have heard of something called a “bootloader.” A bootloader is a type of program that tells your phone how to start up.

Your phone’s bootloader is usually locked, meaning it can only start up in a specific way. You can generally unlock your phone’s bootloader by contacting your carrier or manufacturer.

However, some carriers and manufacturers make it difficult to unlock your phone’s bootloader. If you’re having trouble unlocking your phone’s bootloader, you may be able to use a software exploit.

In this article, we’ll show you how to unlock your Samsung Galaxy phone’s bootloader using a software exploit. We’ll also show you how to contact your carrier or manufacturer if you’re unable to unlock your phone’s bootloader.

Before we begin, it’s important to note that unlocking your phone’s bootloader will void your warranty. Additionally, unlocking your phone’s bootloader can sometimes be difficult or impossible.

If you’re still interested in unlocking your phone’s bootloader, let’s get started.

What is a Bootloader?

A bootloader is a program that starts up on a device before the operating system. It is responsible for loading and transferring control to the operating system kernel.

The kernel, in turn, initializes the rest of the operating system. Bootloaders typically provide a menu that allows users to select which operating system to boot, recovery mode, and other options.

Most devices come with a locked bootloader, which means that the device can only boot operating systems that are signed by the manufacturer.

This is done to ensure that only approved software can run on the device. However, this can be a problem if you want to install a custom ROM or kernel.

Fortunately, many manufacturers allow users to unlock the bootloader on their devices. This allows you to install any operating system that you want. In this article, we’ll show you how to unlock the bootloader on a Samsung Galaxy phone.

Why would you want to Unlock the Bootloader?

If you’re looking to get the most out of your Samsung Galaxy phone, you’re going to want to unlock the bootloader.

A bootloader is a code that is executed each time your device turns on. It checks for the presence of critical system files and then allows the operating system to continue the boot process.

By unlocking the bootloader, you can make changes to the system files that can allow you to customize the phone to your liking.

There are a few reasons why you might want to unlock the bootloader on your phone. For one, it can allow you to root your phone.

Rooting gives you access to the root file system on your phone, which can give you a higher level of control over the phone.

You can also install custom ROMs on a rooted phone, which can give you a completely different experience from the stock Android operating system.

Another reason to unlock the bootloader is to install a custom recovery. A custom recovery can give you the ability to install custom ROMs, as well as create backups of your current system. This can be a lifesaver if you ever accidentally delete a critical system file.

Lastly, unlocking the bootloader can allow you to install a custom kernel. A custom kernel can allow you to overclock the processor on your phone, as well as change other low-level settings. This can be a great way to get more performance out of your phone.

Overall, unlocking the bootloader is a great way to get more control over your phone. If you’re looking to root your phone or install a custom ROM, you’ll need to unlock the bootloader first. And if you’re looking to install a custom kernel or custom recovery, unlocking the bootloader is also a necessary first step.


Before you can unlock the bootloader on your Galaxy phone, you’ll need to have a few things set up first:

  • A Windows or Mac computer
  • A USB cable
  • The Android SDK platform-tools
  • A Samsung Galaxy phone

Back up your phone’s data:

Before you unlock your phone’s bootloader, it’s important to backup your phone’s data. This will ensure you don’t lose any important files or data if something goes wrong.

There are a few different ways to backup your phone’s data. You can use Samsung’s SmartSwitch software to backup your data to your computer. Alternatively, you can use a cloud backup service like Google Drive or Dropbox.

Steps to Unlock Your Samsung Galaxy Phone’s Bootloader

Once you have everything set up, you’ll need to enable developer options on your Galaxy phone.

  1. To do this, go to Settings > About Phone > Software Information and tap on the Build Number seven times.
  2. You should see a message that says “Developer mode has been enabled”.
  3. Next, go to Settings > Developer options and enable OEM Unlocking. This will allow you to unlock the bootloader on your Samsung device.
    samsung oem unlocking

If not able to see the “OEM Unlock” Try the below steps:

If you want to unlock the bootloader on your Samsung Galaxy phone, you’ll need to use a few fastboot commands. Fastboot is a tool that can be used to modify the system images on your device.

  1. First, you’ll need to put your device into Download mode.
    • To do this, power off your device, then press and hold the power button and volume down key simultaneously.
      samsung download mode
  2. Once your device is in download mode, connect it to your computer using a USB cable.
  3. Now, download SDK Platform Tools on your PC/Laptop.
  4. Extract the Platform-tools zip file to your Desktop.
  5. Open the Platform-tools folder and type “cmd” in the address bar of the folder. A command prompt window will appear.
    fastboot command window
  6. Type the below command to verify the device connection:
    fastboot devices
  7. Press Enter, and type the next command to unlock the bootloader on your device:
    fastboot oem unlock
  8. You should see a message on your device’s screen that says something like “unlock bootloader”. Press the Volume Up key to confirm that you want to unlock the bootloader.

Once the bootloader is unlocked, you can now flash a custom recovery or a custom ROM on your device.


In conclusion, if you want to unlock the bootloader on your Samsung Galaxy phone, you will first need to enable Developer Options and then enable OEM Unlocking.

Once you have done that, you will be able to use a tool like Odin to flash a custom recovery or ROM onto your device.

Keep in mind that unlocking the bootloader will void your warranty, so make sure that you know what you are doing before you proceed.

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