How to Unlock bootloader on Samsung Galaxy A74?

Hello friends, Today in this article, we will tell you how to unlock the bootloader on Samsung Galaxy A74. To unlock the bootloader, you have to follow our steps carefully, do exactly what we said, and stay till the end. You should know that it allows you to bypass the restrictions set by the developers customize the device, and get superuser rights. In this guide, you’ll get to know all.

What is Bootloader?

The bootloader can be thought of as the gateway to booting your computer. Just like when you turn on your computer, the bootloader is the software required to load that operating system into memory. The bootloader is responsible for determining which operating system will be run and how. This is considered the first part of the computer’s boot sequence that helps bring your device to life.

Why do people unlock the bootloader?

People unlock the bootloader for many reasons. Firstly, it gives them the freedom to have complete control over their device, allowing them to run customized software on their device. It can also be useful for developers, as they can install new and customized ROMs, kernels, and other modified software. Unlocking may void the device’s warranty, but it may be attractive to people who want more control over their device and enjoy the latest software updates.

What are the advantages of unlocking the bootloader?

  • Freedom: By unlocking the bootloader, you can have complete control over your device.
  • Custom ROM: You can unlock the bootloader and install other custom ROMs, which give you access to new features and customizations.
  • Upgrade Instructions: You can look forward to upgrading your device to the latest Android versions, which can give you new features.
  • Application Development: Unlocking the bootloader allows developers to test their applications directly on the device and develop them optimally.
  • Autonomy: Unlocking the bootloader allows you to increase the autonomy of your device and avoid unwanted applications and processes.

What are the disadvantages of unlocking the bootloader?

  • Loss of Guarantee: Unlocking the bootloader may cause the user to lose the device’s warranty, as the manufacturer may consider it a reason for unauthorized manipulation.
  • Security Threat: Unlocking the bootloader can leave the user’s device vulnerable in terms of security, as it can weaken the security measures provided by the manufacturer.
  • Technical issues with software updates: After unlocking the bootloader, the user may face technical issues installing new updates to the operating system and software.
  • Risk of Data Loss: During unlocking the bootloader, user data may be lost, especially if any technical issues arise in the process.
  • Adverse Effects: Unlocking the bootloader can cause adverse effects such as decreased battery life, performance issues, and other system-level issues.


  • First, you enable developer mode on your device and unlock the OEM features.
  • You need an original USB cable to attach to the PC.
  • You need to download and install ADB and Fastboot Tools to run commands.
  • Take a full backup of your all-important data.
  • Make sure your device’s battery is charged to more than 70%.

Warning: I’m expecting you’ve backed up every bit of information on your device. All of the data on your device will be deleted following this process.

Let’s Unlock Bootloader On Samsung Galaxy A74

It is known that unlocking the bootloader on a smartphone may apply various techniques depending on the model. The strategy listed below might work best for you if you’re searching for a conventional method. We will now proceed to the process of unlocking your Samsung Galaxy A74 bootloader.

  • Open Settings > Go to About Phone > Click on Software Info.
  • Now find the build number and “click on it” until developer mode becomes active.
Enable Devloper Option
  • Go to Developer Mode and allow OEM unlock and USB debugging.
Enable USB Debugging
  • Now install the required ADB and Fastboot tools on your laptop or PC.
  • Now connect your smartphone to your PC or laptop through a USB cable.
  • Open the command prompt on your PC or laptop.
  • To verify that your smartphone is properly connected to your PC or not, type a command on cmd: “adb devices”.
  • To check whether the bootloader is working on your device or not, type the command “adb reboot bootloader”.
  • Type the command “fastboot oem unlock” to complete the process.
  • Wait while the bootloader unlocking process is complete, and then restart the device with the command “fastboot reboot”.
  • You’ve successfully unlocked your Samsung Galaxy A74’s bootloader, congratulations. You can use your device to its maximum capacity now.

Related post: How to Root Samsung Galaxy A74

Frequently Asked Questions (FAQs)

Q- Why do phones lock the bootloader?

Ans. Phones lock the bootloader to enhance security and prevent unauthorized modifications to the device’s firmware. Locking ensures that only signed and approved software can be loaded onto the device, protecting it from potential security threats and maintaining the integrity of the system. Manufacturers use locked bootloaders to control the software environment and provide a more stable user experience.

Q- Does unlocking bootloader erase phone data?

Ans. Yes, unlocking the bootloader usually results in the erasure of phone data as a security measure. This wipe helps prevent unauthorized access during the unlocking process. It’s essential to back up your data before unlocking the bootloader to avoid losing important information.

Q- Can I relock bootloader after stock ROM?

Ans. Relocking the bootloader after installing a stock ROM is possible on some devices. However, not all manufacturers support this feature, and the process can vary. It’s advisable to check the specific instructions and policies for your device model before attempting to relock the bootloader.

Final Thoughts:

That’s all for today’s short guide, we hope that you understand our methods to unlock the bootloader and accomplish unlocking the bootloader on your Samsung Galaxy A74. What you want, and we hope that you have succeeded, if you face any problems while unlocking the bootloader then You can ask us through the comment area or email. And thanks, guys.

Leave a Comment