How To Unlock Galaxy S9/S9 Plus Bootloader [SnapDragon Variant]

These days a major number of users are getting custom ROM savvy. No wonder custom ROMs and kernels provide more options to explore the power of Android. You can try out custom iteration of the various OS on any smartphone may it be mid-range or flagship. Speaking of flagship phones, Galaxy S9 and S9+ are two important premium phones from Samsung that released in 2018. The devices come packed with high-level hardware and the latest version of Android OS oreo v8.1. So, modding it with a good custom ROM will be liking icing on the cake. Well, to do that, you need to unlock the bootloader of the device. In this post, we will guide you to Unlock Galaxy S9/S9 Plus Bootloader.

Also, this Unlock Galaxy S9/S9 Plus Bootloader guide is exclusively for the devices that are available in the South East Asian and Latin American regions. To make it simpler, if your device comes with model numbers SM-G9600/SM-G9650 then this guide will work on it. With that said, this guide won’t work if you are using a SnapDragon variant of Galaxy S9/S9+ in the USA. Its bootloader cannot be unlocked.

What Is Bootloader Unlocking..?

A Bootloader is a piece of code which executes as we switch on our device. This code initializes some hardware and then loads the kernel and ramdisk, and starts the boot-up process. So this is called Bootloading. Every Android OEM manufacturers lock the bootloader even though it is an Open Source. So if you want to flash any modding custom ROM or kernel, it is impossible to do so without the unlocking the bootloader.

Unlock bootloader allows you to Root your android smartphone, Flash TWRP and Custom ROM in a simple easy method. By unlocking the bootloader, your device’s warranty may void. So we recommend you to try this only after the warranty period. Then again you can also try this anytime you wish.

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How To Unlock Galaxy S9/S9 Plus Bootloader

Basically, you can Unlock Galaxy S9/S9 Plus Bootloader by unlocking the OEM and then using An official App from Samsung to complete the process. It is the CROM App which is an App from Samsung to disable CROM lock on Chinese Samsung Galaxy flagship smartphones.

Before going into details of the bootloader unlocking process you have to follow certain guidelines and install some tools on your device. Check that out below.


  • Your Phone must have 70% or more  Of battery charge.
  • Take a complete backup of your device data just to be safe, although with this process you won’t lose your data.
  • Warranty of your device will be void after you unlock the bootloader.
  • This guide will work on Galaxy S9 device with model number G9600/SM-G9650 exclusively.
  • Enable developer option on your phone.
  • Remove your Samsung Account to successfully execute this process of bootloader unlocking.
  • You need to have the official CROM App from Samsung installed on your device.
  • GetDroidTips will not be responsible for any bricking or damage to your phone while/after performing this modification.

Steps To Unlock Galaxy S9/S9 Plus Bootloader

Step-1 First you have to enable the Developer Option. To do it, Go to your Settings –> System -> About Phone -> Now Tap on the Build Number 7 times until you see a message “Developer Option Enabled”.

Step-2 Now go to Settings > Developer option >Enable OEM unlock. It is the partial unlocking of the OEM.
Unlock Galaxy S9/S9 Plus Bootloader

Step-3 Now remove the Samsung Account. You can watch the YouTube video below to know how to do it.
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Step-4 Download the CROM App from here.

Step-5 Open the CROM app > to Unlock the Bootloader toggle the slider.

That’s all you have to do to Unlock Galaxy S9/S9 Plus Bootloader. Remember it’s region and model specific as mentioned above. If you have any queries regarding this, do let us know.


  1. Hi guy, i have a preblem with CROM service. Occured error when i click en “accept”, “Unable to open application” ” An unknown error has occured. Try again later”.

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