How to Unlock bootloader on Samsung Galaxy Tab S9?

Hey guys, if you are here to know how to unlock the bootloader, then you have come to the right place. Today we will tell you how to unlock the bootloader on Samsung Galaxy Tab S9. Bootloader allows you to install custom firmware and Fastboot ROM, get superuser rights, and get other things too, and we will tell you even more. So you have to stay with us till the end.

What is Bootloader?

We can think of a bootloader as the door to an operating system, from which a device receives the necessary information to start itself. It can be seen as a sentinel that keeps track of which systems are being started and how. You can think of it as a sort of gatekeeper to the OS, making sure all the information reaching the right system is correct.

Why do people unlock the bootloader?

They want to clean their device open, like an art paper. This gives them complete control over their phone or tablet, and they can freely change the modes, applications, and operating systems to their liking. Along with this, it also gives them a chance to get involved in the world of new technological research and development.

What are the advantages of unlocking the bootloader?

  • Freedom and Control: Unlocking the bootloader gives you full control over your device and allows you to install your favorite custom ROMs and characters.
  • Opportunity for Customization: Bootloader Unlock allows you to customize your device as per your needs and preferences.
  • New Features and Upgrades: Unlocking the bootloader allows you to experience the latest Android version and other advanced features that may be provided by your manufacturer.
  • Improved Battery Life and Performance: With the help of custom characters and ROMs, you can improve the battery life and performance of the device.
  • Keep your device looking its best: Unlocking the bootloader allows you to keep your device up-to-date with unauthorized software and security patches.

What are the disadvantages of unlocking the bootloader?

  • Security Vulnerability: Unlocking the bootloader may reduce the security of the user’s device.
  • Warranty may be void: Unlocking the bootloader by some manufacturers may void the warranty.
  • Preventing Software Updates: Unlocking the bootloader on some devices may make it difficult to perform local software updates.
  • Data Loss: Device data may be formatted before unlocking.
  • Use of non-authorized software: After unlocking, there may be a risk of installing non-authorized software.


  • 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 95%.

Warning: I’m hoping you’ve backed up every piece 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 Tab S9

Unlocking the bootloader on a smartphone might include various techniques, as we are aware. This strategy might be most helpful for you if you’re seeking a more conventional method. The process of unlocking your Samsung Galaxy Tab S9’s bootloader is the next topic we cover.

  • 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”.
  • Fantastic! Your Samsung Galaxy Tab S9’s bootloader has now been successfully unlocked. You can now make the most of your device’s capabilities.

Related post: How to Root Samsung Galaxy Tab S9

Frequently Asked Questions (FAQs)

Q- Can unlocking a bootloader brick your phone?

Ans. Yes, there’s a risk of bricking your phone while unlocking the bootloader, especially if the process is not followed correctly. Any interruption or error during the unlocking procedure can lead to a bricked device. It’s crucial to carefully follow instructions and understand the potential risks before attempting to unlock the bootloader.

Q- Is it permanent to unlock bootloader?

Ans. Yes, unlocking the bootloader is often a permanent process. However, it’s essential to note that some manufacturers allow re-locking of the bootloader, but this may vary. Be cautious, as unlocking can void warranties, and reversing the process may not always be straightforward.

Q- Can we use payment apps after unlocking bootloader?

Ans. Unlocking the bootloader may affect the security of payment apps, as it often involves modifications to the device’s firmware. Some payment apps may detect a rooted or unlocked device and refuse to work for security reasons. It’s advisable to check the specific policies of the payment apps you use before unlocking the bootloader.

Final Thoughts:

We hope that you guys have understood our guidance very well and unlocked the bootloader of your Samsung Galaxy Tab S9. If you face any kind of problem during the process, you can ask us in the comment area. That’s all for today. Thanks for reading, guys.

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