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How to Unroot Galaxy S9 or Galaxy S9 Plus with Stock Android

In the previous post, we have talked about how to root the Galaxy S9 and S9 Plus and if you have already rooted your Galaxy S9 or S9 Plus, and now want to get back to the previous Stock Android running on your device then this post helps you achieve that.

Unroot Galaxy S9 or Galaxy S9 Plus with Stock Android

There are many reasons to get back to the stock firmware after rooting but if you’re just moving out to root or just don’t want to have it on your phone, I’d suggest to first try installing some of the best custom ROM on your Galaxy S9 or S9 plus as the custom ROM adds more hidden features that a normal Stock users can’t get it nor they’re aware of it.

But, if the reason behind unrooting your Galaxy S9 or S9 plus is because of warranty claim, it’s good to get back to the original one. Follow the steps mentioned in the post carefully and before all of that, don’t forget to keep a close eye on the pre-requisites that tell you what is actually required to get the device unrooted.


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How to Unroot Galaxy S9 or Galaxy S9 Plus with Stock Android

Disclaimer: All the custom ROMs and firmware, official software updates, tools, mods or anything mentioned in the tutorial or across the AndroidTeksite belong to their respective owners/developers. We ( or the developers are not to be held responsible if you damage or brick your device.

This unrooting tutorial guide is only for the Galaxy S9 and Galaxy S9 Plus universally. You just need to make sure you download the correct firmware for your model or variant.


  • You need to connect your device to the PC with original USB Cable provided by the Samsung. If you don’t have proper USB driver installed on your device, follow this link to install on your PC.
  • Also, make sure that your Galaxy S9 or S9 Plus’s battery level is more than 50%, as sometimes the process takes more than usual time and your device shouldn’t shut in between. It may brick your device.
  • It’s always a good practice to have a complete backup saved either on the cloud or on your device to get things back if the process fails.
  • As you’re here to unroot your Galaxy S9 or Galaxy S9 Plus, I assume it has TWRP Recovery installed on it. Better to create a backup from the TWRP recovery.
  • You must have enabled USB debugging mode on the device too. You will find the option under the device’s Settings.
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Unroot Galaxy S9 / Galaxy S9 Plus

Please read every line carefully and make sure you read the tutorial once before actually performing on your device.


To Remember:

  • Please don’t try this on any other variants of the phone. This tutorial is only for Samsung Galaxy S9 / Galaxy S9 Plus.
  • We will be using an official firmware by Samsung in our process.
  • Make sure you backup all your data on your phone before proceeding.

Complete Step-By-Step Instructions:

Step 1 – Download official firmware for your Galaxy S9 / Galaxy S9+ from below to your computer and extract the zip file.

Step 2 – Download Odin which will help you to install official firmware on Samsung Galaxy S9 / Galaxy S9 Plus.

Step 3 – Switch OFF your phone. Now go to Download Mode. How? Press and hold the Volume Down + Bixby buttons together, and then press the Power button till you see the construction Android robot and a triangle.

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Step 4 – Press Power again to confirm to enter into Download Mode. Read

How to Enter Galaxy S9 Download Mode to Connect with Odin

Step 1 – Turn OFF your Galaxy S9.

Step 2 – Now press and hold the following buttons on your phone together: Volume Down + Bixby Button + Power.

Step 3 – After the Samsung phone name logo, you will see a screen with a warning sign as shown below. Proceed ahead by pressing the Volume Up button.

Step 4 – Then you will be shown a screen similar to as shown in the photo below. This is the Download Mode aka Odin Mode for flashing firmware files using the Samsung flashing tool called Odin.

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