Most of the Samsung users always root their mobile for various reasons like Custom ROMs and Un-Installing Bloatware apps. Other than this for manual optimization, You donāt need Rooting. Recent OS can optimize itself with some tweaks. When you want to remove Knox based apps, You donāt need root. You can use the ADB method to disable the services. Other than this, If you know your purpose, You can Root your Samsung Galaxy S9 Plus Android 10 version using the below method. The following way use TWRP. So, You can install your favorite custom ROMs. Also, It is an official TWRP, So you can expect a high success rate when you follow the steps carefully.

After One UI release Samsung optimized mobiles well with the software. But when you feel you need to use root required apps or more control on your mobile, you can root your mobile using the below method. When you are a regular user, instead of rooting, you can try some alternative apps.
Did you need to Root Samsung Galaxy S9 Plus Exynos in the Android 10 version?
It would be best if you had a strong reason for rooting. Samsung Already released One UI 2.0 based on Android 10 and is already optimized. You have More than Enough 6 GB RAM to use daily apps without lag for years. Yes, I Know, RAM maybe looks like not enough because of the Samsung Heavily customized OS. But, Trust me, One UI is far better than other Custom Skin OS. You can use this device without lag for years until Samsung mess with some Bloatware. But beyond, this not go reasons, you are addicted to some root apps, or you are a frequent user of some Custom OS, you can proceed further. But if you want to root because everybody is doing, I advise you, donāt root If you didnāt have any experience. For regular users, It can become a Nightmare.
How to Root Samsung Galaxy S9 Plus Exynos Android 10 One UI 2.0 (SM-G965F, SM-G965N) (S9+)
First of all, thanks to the developerĀ corsicanu for the Root method and topjohnwu ā this genius is a one who discovered and maintaining Magisk. Samsung Galaxy S9 Plus International variants come with a flexible bootloader. It means that the smartphone can be easily rooted. Also, the device can accept to install TWRP recovery or any other custom recovery file/app alike. Donāt try with Snapdragon US Variants like Verizon devices. They come with a locked Bootloader.
But In the below method, we are going to Root this device by using Magisk. You can install Official TWRP using the official app when it is released. TWRP recovery is a custom recovery file that must be installed on your devices because you can root them successfully. In this article, we explained the easiest method to follow and install Magisk on Samsung Galaxy S9 Plus. However, the tool required for rooting this device is the Magisk App.
You can flash TWRP once it is available. With the help of TWRP Recovery, you can quickly flash the Custom ROMs into your Samsung Galaxy S9 Plus. Before sharing the tutorial, you may want to know that, with the Magisk present on your device, you can easily install any root apps. Does it seem complicated? Relax, everything will be explained succinctly in bullets.
Things to check out for;
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Check your device model number.
- Install Latest Magisk Manager.
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Make sure your device battery is charged above 50%
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You should Backup your current files and data- Full Data Loss Process (save them on external storage).
- We cannot use Samsung Pay, Secured folder, and some official apps from Samsung.
- You canāt update your firmware, to get new firmware you have to follow the below steps with the latest firmware.
- Read the full tutorial before the process.
1. Pre-Requirement Steps
Unlock Bootloader

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Enable USB Debugging Mode and OEM Unlock on your mobile. To do this; go to settings >>> about >>> Tap on the āBuild Numberā 7-10 times consistently to enable āDeveloper Options,ā then go to the āDeveloper Optionsā and enable USB Debugging Mode and OEM Unlock. There is no complicated process in the Samsung Galaxy S9 Plus.

- Switch off your device. Enter into Download Mode-> Volume Down+ Bixby+ Power and Connect your mobile with PC using USB Cable. When Download mode warning screen Appears, Press Volume Up button to unlock Bootloader.

- The above process will wipe your user data. After setup your device, Please recheck the OEM Unlock in the settings. Sometimes It Will Lock Again.
Downloadable files
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Download and install the Samsung USB driver to your computer system.
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Also, download the ODIN software. Select the Android 10 version in the ODIN list. Install ODIN on your PC.
- Download OEM Fix, Copy it to Your Phone external Memory. We Need to flash OEM Fix to avoid OEM Lock automatically in the future after the Root process, and Disable_Dm-Verity_ForceEncrypt.zip, Copy it to Your Phone external memory. We Need to flash encryption disabler to avoid Boot Warnings in the future after the Root process.
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Download and save the TWRP File in your PC. Select the Correct TWRP file from Below. This TWRP can support Up to Android 10.
2. Flash TWRP using ODIN

- Connect your USB cable with PC. Switch off your device. Then, enter into Download mode. To do this, press and hold down the Volume Down +Bixby+ Power buttons and connect your micro USB Cable.

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Press the Volume Up button to continue when you see the warning message.
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Now, connect the Samsung Galaxy S9 Plus mobile to the computer via USB cable.
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Launch the Odin app on your computer. If the device is detected by this app (Odin), it will show you a message that reads ā added!!!

However, if the device is not correctly connected to the PC, you wonāt see this message. So, you have to check the USB cable if it is reasonable and reconnect the device.
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After connecting the Samsung device, click on the PDA/PA button to browse/search and get theĀ TWRP from where you saved it on your PC. Also, navigate to āoptionsā and Un-tick the Auto-Reboot.

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Click on āStartā
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Once the file is loaded into the device, Donāt reboot your device.
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Kudos, you have just Installed the TWRP on your Samsung Galaxy S9. If you installed TWRP, Donāt turn on your mobile. Immediately, move to Magisk Installation steps. You can do this by Pressing Volume Down+Power to exit download mode then Press Volume Up+Bixby+Power to enter into recovery mode.

3. Install Magisk, DM-verity, and OEM Fix in your Samsung Galaxy S9 Plus using TWRP

- Boot it into recovery mode->Volume Up + Bixby+ Power Button.
- Now it Will Boot into TWRP Recovery Mode.
- Select Wipe->Advance Wipe->Select Cache and User Data.
- Return to Home of TWRPĀ selectĀ Install.
- Select OEM Fix.zip.

- After the installation, It will Prompt to Root with Magisk, Select Next until you get the Main Menu Screen.
- In Main Menu, Select āProceed with ROM flasher and Multitool.ā Select āPatch for OEM Issue.ā We donāt need to Install Magisk Separately. This OEM fix file will Install Magisk.
- Return to Home of TWRPĀ selectĀ Install.
- Select DM-Verity.zip file.
- Follow the same way and install Magisk.zip.
- You should Install One by One. Donāt add more zips feature in TWRP. After the Installation Reboot Your Mobile.
- You can also install Magisk.apk in your Mobile Applications. DM-verity is used to avoid the Encryption issue after rooting. You can check your root status using Root Checker.
- If you didnāt find Magisk in App Drawer, you should repeat the process from the OEM fix installation.
What More?
In my opinion, you donāt need root for your Samsung Galaxy S9 Plus Android 10 version. If you thought you could Improve Performance By rooting; With the Exynos 9810 processor and 6 GB RAM, your device can perform well. If you donāt know how much RAM you need, You will never use this much RAM. It would help if you did not Boot into Normal OS Booting, by pressing the power button, after firmware flash. It will boot you to a Non-Rooted environment.
If you accidentally urged and boot frequently, Donāt panic, after setup everything, switch off your device and boot into Rooted OS using above mentioned keys. If you root your device, because of the battery drain issues, you can optimize your battery without root. Beyond this, if your purpose is to Disable Bloatware apps, you can do that without using this method. When you have any suggestions or doubts, comment below.
Ask Follow-up Question from this topic With Google Gemini: Root Samsung Galaxy S9 Plus Exynos SM-G965F/N Android 10 using TWRP and Magisk

Selva Ganesh is a Computer Science Engineer, Android Developer, and Tech Enthusiast. As the Chief Editor of this blog, he brings over 10 years of experience in Android development and professional blogging. He has completed multiple courses under the Google News Initiative, enhancing his expertise in digital journalism and content accuracy. Selva also manages Android Infotech, a globally recognized platform known for its practical, solution-focused articles that help users resolve Android-related issues.




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