Downgrade Firmware for Samsung Galaxy Tab S9+

Want to rollback a Samsung Galaxy Tab S9 Plus 5G Android update to a previous Android (One UI) version? Here's how you can download downgrade firmware for Samsung Galaxy Tab S9 Plus 5G;

Download the official Samsung Galaxy Tab S9+ Downgrade One UI 5.0/5.1/5.1.1 (Android 13), One UI 6.0 (Android 14) Firmware (Stock ROM) Flash File from this page. The provided Full Repair Firmware is Apple mobile phones’ most recent software update or downgrade file. This 4Files and Full Repair Firmware may be loaded on a Samsung device via Odin Tools to fix any bugs or problems issuing new upgrades on your Samsung Galaxy Tab S9+, you can flash the downgrade Android or One UI (Stock Firmware file). Yes! This article can help you troubleshoot WiFi and Bluetooth fixes, unbrick your device, diagnose lag or slow performance, and fix any software-related issues.

You should downgrade the Firmware on the Samsung Galaxy Tab S9+ for several reasons. For instance, your phone may become stuck or hang on the logo, white screen, or display green lines, etc. Assume you’re going to perform a hard reset on your phone. However, most of the issues and benefits associated with flashing stock ROM are listed below.

Also Read: Downgrade Samsung One UI 6.0 to One UI 5.1.1 (Android 14 To 13) using Odin

What is Firmware Downgrade or Rollback?

Download Downgrade or Rollback Stock Firmware

Android rollback, often known as “downgrading,” refers to the act of restoring an Android smartphone to a previous version of the operating system. This entails replacing the current Android version with an earlier version. The phrase “rollback” refers to reverting to a previous software version.

In the case of smartphones and tablets, such as those manufactured by Samsung, Android rollback often entails loading a previous firmware or software update on the device. This is often done to fix issues that may have emerged following an update to a newer version of Android. The following are some typical reasons for wishing to roll back Android:

  1. Compatibility Issues: New Android updates can sometimes introduce compatibility problems with certain apps, hardware components, or accessories. Rolling back to a previous version can help avoid these issues.
  2. Performance: Occasionally, a newer Android version might lead to slower performance or decreased battery life on some devices. Rolling back to a previous version might alleviate these problems.
  3. Bugs and Glitches: New updates can sometimes come with their own set of bugs and glitches. If these issues are significantly affecting the user experience, some individuals might prefer to revert to a more stable previous version.
  4. User Preference: Users might have personal preferences for an older Android version due to its user interface, features, or other aspects. In such cases, they might choose to roll back to that version.
  5. Security Concerns: While it’s generally recommended to stay on the latest Android version for security reasons, some users might want to roll back to a version that they perceive as more secure if they believe that the newer version has vulnerabilities.

What does a Firmware Rollback mean?

The process of downgrading the software or firmware of a Samsung device, such as a smartphone or tablet, to a prior version, is known as Samsung Firmware Downgrade. Firmware is the embedded software that controls the hardware components and general operation of the device. Downgrading firmware entails replacing the current firmware version with a previous one.

Download Downgrade Firmware for Samsung Galaxy Tab S9+

Downgrade Firmware for Samsung Galaxy Tab S9+

Find the Samsung Galaxy Tab S9+ Stock ROM, full repair 4 files, 5 files firmware, and flash files for the Android or One UI version to which you expect to downgrade. These files are frequently available on reliable official websites. Check that you are downloading the right Bit/Binary; U0, U1, U2, U3, U4, U5, U6, U7, U8, U9, U10, U11, U12 downgrade firmware for your Samsung Galaxy Tab S9+ device model; (SM-X810, SM-X816B, SM-X816N, SM-X818U) and variation.

Here are download links for Samsung Galaxy Tab S9+ downgrade firmware/Stock ROM/Flash files:

SM-X810 (Full Files)

  • X810XXU1BWL1Download | File Size: 8.64 GB | OS: U(Android 14)
  • X810XXU1AWHADownload | File Size: 8.59 GB | OS: T(Android 13)

SM-X816B (Full Files)

  • X816BXXU1BWL1Download | File Size: 8.58 GB | OS: U(Android 14)
  • X816BXXU1AWHADownload | File Size: 8.52 GB | OS: T(Android 13)

SM-X816N (Full Files)

  • X816NKOU1BWK6Download | File Size: 7.62 GB | OS: U(Android 14)
  • X816NKOU1AWHADownload | File Size: 7.56 GB | OS: T(Android 13)

SM-X818U (Full Files)

  • X818USQU1BWL1Download | File Size: 8.02 GB | OS: U(Android 14)
  • X818USQS1AWK1Download | File Size: 7.97 GB | OS: T(Android 13)

This method of getting Samsung software is only known to a few people. Samsung’s official website provides product information as well as quick download links for Samsung Galaxy Tab S9+ downgrade firmware.

Also Read: Downgrade Samsung ONE UI 4 to ONE UI 3 (Android 12 To 11) using Odin

How to Downgrade Firmware on Samsung Galaxy Tab S9+ using Odin?

Following the download of the Samsung Galaxy Tab S9+ Stock ROM (Firmware) zip file, read and view the how-to downgrade instructions (Tutorials) using Odin Flash Tool.

Rolling back to the previous stable version is the best approach in such instances. However, you should only do it if you are having major problems, The rollback of older versions process is detailed below:

Step 1: Check Compatibility

The first step is to see if your Samsung device is compatible with the firmware version you wish to downgrade to. If your device is incompatible, downgrading may cause it to malfunction or perhaps fail.

To check compatibility, go to the official Samsung website and look for the firmware version that corresponds to your device. Ensure you get the correct firmware file and save it to your computer.

Step 2: Charge Your Device

Ensure that your Samsung Galaxy device has a sufficient battery life of 50% or is connected to a charger during the downgrading process to prevent interruptions.

Step 3: Backup Your Data

Before attempting any changes to your device’s software, it’s crucial to back up all your important data. This includes photos, videos, contacts, apps, and any other files you don’t want to lose. You can use Samsung’s built-in backup tools or third-party apps for this purpose.

Step 4: Download Samsung Galaxy Tab S9+ Downgrade Firmware

Find the Samsung Galaxy Tab S9+ stock ROM, firmware, and flash files for the Android or One UI version to which you expect to downgrade. These files are frequently available on reliable official websites. Check that you are downloading the right downgrade firmware for your Samsung Galaxy device model and variation.

Step 5: Enable Developer Options, USB Debugging and OEM Unlock

To proceed with the downgrade, you’ll need to enable Developer Options, USB Debugging OEM Unlock on your device:

  1. Go to Settings > About phone > Software information.
  2. Tap on the Build number multiple times until you see a message confirming you’re now a developer.
    How To Enable USB Debugging and OEM Unlock on Android
  3. Go back to the main Settings screen and now you should see Developer options.
  4. Enable USB Debugging within the Developer Options menu.

Step 6: Install Samsung USB Drivers

Your computer must communicate with your Samsung Galaxy Tab S9+ device during the downgrade process. To enable this communication, download and install the official Samsung USB drivers on your computer.

Downgrade Firmware for Samsung Galaxy Tab S9+

Step 7: Download and Install Odin

Odin is a powerful tool used to flash firmware files into Samsung Galaxy Tab S9+ devices. Follow these steps to get Odin:

  1. Search for the Latest version of Odin Flash Tool on our website
    Download Samsung Odin Flash Tool for Windows
  2. Download and extract the Odin tool to a location on your computer.

Step 8: Boot into Download Mode

Putting your device into Download Mode is necessary to initiate the firmware flashing process:

  1. Turn off your device.
  2. Press and hold the Volume Down + Bixby + Power buttons simultaneously.
    Boot your Samsung phone into Download Mode
  3. When a warning screen appears, press the Volume Up button to enter Download Mode.

Step 9: Flash the Firmware

Now comes the critical part:

  1. Open Odin on your computer by launching the executable file you extracted.
  2. Connect your Samsung Galaxy Tab S9+ device to your computer using a USB cable.
  3. In Odin, you’ll see various options and buttons.
  4. Click on the AP (or PDA in some versions) button and browse the firmware file you downloaded earlier.
    Click the Start button in Odin.
  5. Make sure only the Auto Reboot and F. Reset Time options are checked in Odin.
  6. Double-check everything to ensure accuracy.

Step 10: Start the Flashing Process

With all the settings in place, it’s time to start flashing the firmware:

  1. Ensure your device is still in Download Mode and connected to your computer.
  2. In Odin, click the Start button to begin the flashing process.
  3. The process may take a few minutes. Do not disconnect your device during this time.

Step 11: Wait and Reboot

Restart the Device

As the firmware is being flashed onto your device, you’ll need to be patient:

  1. Keep an eye on the progress bar in Odin.
  2. Once the process is complete, you’ll see a Pass message in Odin.
  3. Your device will automatically reboot.

Step 12: Factory Reset (Optional)

After downgrading, you might encounter compatibility issues due to remnants of the previous Android version. To mitigate this, you can perform a factory reset:

Factory Reset Samsung (Optional)

  1. Make sure your device is powered off.
  2. Press and hold the Volume Up + Bixby + Power buttons simultaneously to enter Recovery Mode.
  3. Use the volume buttons to navigate to the Wipe data/factory reset option and use the Power button to select it.
  4. Confirm the factory reset and wait for the process to complete.
  5. Reboot your device.

Also Read: Downgrade Samsung ONE UI 5 to ONE UI 4 (Android 13 To 12) using Odin


Downgrading your Samsung firmware can be an effective way to enhance device performance. However, it is critical to remember to back up your data, confirm compatibility, and carefully follow the step-by-step tutorial. You may quickly downgrade your Samsung firmware this way and enjoy a quicker and smoother smartphone experience.

Downgrading Android on a Samsung Galaxy Tab S9+ is a complicated procedure that must be done carefully. While this article gives a full description of the methods required, it’s important to understand that downgrading your Android version comes with hazards. You may experience data loss, app incompatibilities, and security flaws. Before you begin, thoroughly investigate the process for your unique device type, and consider obtaining expert assistance if you are unsure.

All credits are provided for free by Samsung. So, if you have any problems with them, please contact the Samsung Support workforce & use our website to contact us.

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