Unroot Samsung Galaxy Tab S 8.4

How to Unroot Galaxy Tab S 8.4 (SM-T700 & SM-T705) Restore back to Official Stock Firmware

This is a guide on how to fully unroot  a Samsung Galaxy Tab S 8.4  either you have a WiFi version Galaxy Tab S 8.4 SM-T700 and  the LTE Galaxy Tab S 8.4 SM-T705.  This unroot method will fully remove root and cleanses any modification from your Galaxy Tab S 8.4 .  This guide also covers for  the United States and Canada Galaxy Tab S 8.4  version from which some are getting lost when finding the right stock firmware for the device, but basically the guide covers all international Galaxy Tab S 8.4 SM-T700 Wi-Fi  & SM-T705 LTE variants.  The unroot process is yet simple, as it only requires you to install back the official and untouched stock firmware on your Galaxy Tab S 8.4.

Rooting is very tempting as it grants you with a full access to your device, but if somehow if you might have experienced some issues while rooted all you need is to fully restore your device the way it was before.   So if you wish to unroot your Unroot Galaxy Tab S 8.4  the guide below show you rest of the process on how to install back the official stock firmware and completely restore it to its original factory settings. Aside from unrooting, in some cases this process will also help resolve issues to those who have gone into a deeper modding and those who did not yet knows about it that have experienced issues of getting any official software updates. One of these is the annoying software update error message that says something like “Your device has been modified, Software updates are not available” .

Step by Step Guide in Getting to Unroot Galaxy Tab S 8.4 SM-T700 & SM-T705.

First thing first you should check your Samsung Galaxy Tab S 8.4 specific model number.  The Wi-Fi version are those with model number  SM-T700, this was released  internationally, including United States and Canada.  Those who got the LTE version has the SM-T705, while some countries like Australia and New Zealand are SM-T705Y, and the rest of South America are  SM-T705M.

I importantly add this info here so everyone might know that there is a risky part  involve while using a Galaxy Tab S 8.4 stock firmware. One default firmware build to specific model number cannot be installed to any other version as it will result into an undesired outcomes. What I am pointing about is the recent version of Android OS such as the 4.4.2 (KitKat OS) and the later 4.4.4 and the 5.0 (Lollipop), which technically has a secured ecosystem.

To check the Galaxy Tab S 8.4 model number,  just simply tap on Settings>>General>>About Device>> then look for the Model number alongside with Android  version and other info.

Unroot Samsung Galaxy Tab S 8.4 SM-T700

Now, once you get your Galaxy Tab S 8.4 model number, you may then also check the Firmware Build number as it is your key and will guide you on finding the right stock firmware. This will help you to unroot smoothly,  and get rid of getting into issues during the unroot process.

Unroot Samsung Galaxy Tab S 8.4 SM-T705

Safe use of Galaxy Tab S 8.4 stock firmware for unroot porposes:

Choose the right stock firmware that corresponds to your Samsung Galaxy Tab S 8.4 1) Model number 2) Android version 3) The rooted firmware build number. A stock firmware for Wi-Fi SM-T700 cannot be installed and will not worked on SM-T705 LTE variant and vice-versa.  Each stock firmware builds contain a very different kernel version , bootloader, modem versions and system images. You may not also downgrade from older software update’s stock firmware, like if you already receives the  Android 5.0, Android 4.4.4.

FAQ’s on Unrooting:

Will this process restore my device warranty?
No, once you have rooted your Galaxy Tab S 8.4 there is security platform hidden inside your device OS called KNOX, and it get trips  to 0x1 when you installs unofficial system images including root kernels.

How can I reset KNOX from ‘0x1’ back to ‘0x0’?
There is no way to reset the flag counter as it is believed to be an Efuse that once get blown it stays damaged and cannot be reset.


  • Make sure that your Galaxy Tab S 8.4  is fully re-charge.
  • Stock ROM packages comes in two formats the ‘Full-Wipe’ (delete your stored data after flashing) and the ‘Non-Wipe’ (it doesn’t delete your phone’s stored data) but it is highly recommended to make a back up all important files stored from your phone’s internal memory – contacts, messages, etc.  before flashing no-matter if it is Full-WIpe or Non-Wipe,  just to be safe and ensure that your stored data are in  safe  if something went wrong during the flashing process.
  • If your Galaxy Tab S 8.4 is not juts rooted but also runs with a custom firmware you may fully back-up your current mod first.
  • Remember or back up the APN settings of your device. ( This only done if you try to install other regions stock ROM.
  • Use a PC or laptop that runs in Windows OS, with a good and perfectly working USB serial port.  Odin will not work on MAC.
  • Use the supplied USB cable for your Galaxy Tab S 8.4.
  • Enable USB debugging from your Galaxy Tab S. In  Android 4.4.2 you can go on Settings>>About Device>> Tap the Firmware Build version that starts with ‘KOT49H’ around 7-times. It will then re-enable the USB debugging mode.
  • Closed Kies if you have it and should not running in the system tray! Kies will interrupt and doesn’t like Odin, it will block you from flashing.

Step 2: Download the needed tools for flashing

USB Driver – download (only needed if you have not yet installed Kies in your computer)
Odin flasher tool – download

Step 3: Download your Galaxy Tab S Stock Firmware or Stock ROM

Again, remember what I have just  told you about using a stock firmware, only install back the right stock firmware that match with your current rooted firmware version.
For US and Canada Galaxy Tab S 8.4 SM-T700 (Wi-Fi) XAR & XAC version here
For international Galaxy Tab S 8.4 SM-T700 (Wi-Fi) here
For Galaxy Tab S 8.4 SM-T705 (LTE) here
Australia and New Zealand SM-T705Y here

Step 4: Install the USB Driver and Extract the downloaded stock ROM

Install the USB Driver first to get rid of flashing failures. Also  need to extract the downloaded file which is packed in zip or rar files, so that you’ll get the tar.md5 file.

Step 5: Run and Configure Odin

Run Odin3_v3.07 on your  computer. Do not touch the check-boxes options on the right top of Odin, ensure that the ‘RE-PARTITION’ is uncheck, only  the ‘AUTO-REBOOT and ‘F.RESET TIME’ checkboxes are both checked by default.

Step 6: Reboot your Galaxy Tab S 8.4 into Download mode

To reboot the Galaxy Tab S 8.4 into  download mode , you need to turn the power off.  After it’s completely shut down,  just  press and hold the Volume Down  and the Power ON/OFF button simultaneously.

You should then prompted into a warning screen and asking you  to press volume up if you want to continue or volume down to cancel, just simply press volume up to get into download mode.The Odin download mode then displays an Android robot and say’s “Downloading.. Do not turn off target!!”

Step 7: Connect your Galaxy Tab S 8.4 to computer

Once you already reboot the phone in download mode,  simply connect the phone to your PC or laptop USB.
In Odin window – the ID:COM box will turn to blue color and indicates the COM port number and a word “Added” on a log box will prompt you that the device is already detected or recognized by Odin. Your COM port number might be different from mine. If you do not see a COM port number then there’s something missing or wrong. You may read again from the top of this post.

Step 8: Load the stock firmware binary file.

The stock firmware usually packed in a single file only.  You need to just simply click on the AP/PDA button, then browse to the folder where you put the unzipped stock firmware it must end with ‘.tar.md5’ file extension so that the Odin tool can read it.
T700XXU1ANF9 Galaxy Tab S 8.4 T700 stock firmware
Simply click the file to load under the AP field. An example below shows the Android 4.1.2 Jelly Bean stock firmware for US Galaxy Tab S SM-T700.
example: “T700XXU1ANF9_T700EUR1ANE2_T700XXU1ANF9_Home.tar.md5”

Unroot Samsung Galaxy Tab S 8.4 SM-T700 Odin back to stock

Step 9: Start Flashing or Installing the stock ROM

Once if all set and ready to fire-up, hit the “START” button in Odin to begin flashing the stock firmware.
Do not ever interrupt the phone while already in flashing progress, like disconnecting the cable or turning off the device. Just wait until it completely finish.

Step 10: Watch out for the word PASS!!

When the stock firmware installation successfully completes, you will then see a word “PASS” in Odin. This indicates that the flashing was already finish, and on the log box it says “All threads completed. (succeed 1 / failed 0)”. The phone will just then automatically reboot, then it’s time to remove it from PC or laptop USB connection.

Confirm if you successfully unroot your Galaxy Tab S 8.4 SM-T700/SM-T705.

Confirm your fresh firmware installed by going on to Settings>About Device>Firmware info.

Re-configure your network APN Settings.

You might also need to reconfigure your networks APN settings as it might be reset once the official firmware installation has made. Just search for your network’s default APN settings and then enter the corresponding data on the Wireless Network’s  Access Point Names.

  • Tap Apps
  • Tap Settings
  • Tap More Settings
  • Tap Wireless Networks
  • Tick Wireless Data
  • Tap Access Point names

Possible errors that you may encountered, this is based on my own experience while flashing stock ROM on Samsung Android devices. These are just a few hints on how to resolved it.

Q: I got an error message that says “Set-up connection Failed” ?
A: 1. Check your USB connection from the phone to PC,
2. Connect to another PC USB port
3. Check and try to another USB cable
4. Re-install the USB driver.
Q: Odin just suddenly stuck in the middle of nowhere while in flashing progress, It isn’t responding at all?
A: Check for possible program that might interrupt the process, like disabling the anti-virus and closing any running programs.
Try to use another PC or laptop,
Q: I experienced bootloop or the phone just stuck on Welcome Logo (phone always stop at bootanimation) and it won’t boot normally?
A: You can fix it via recovery mode option, do this:
Boot in recovery mode
1. Press and hold Volume Up and Power button.
2. Use volume keys to select, Up and Down and Power or Home key to select the option
3. Select Wipe Data/Factory Reset using the Home button.
4. Next select the Wipe Cache Partition
5. Lastly, select Reboot System Now to reboot your Galaxy Tab S 8.4 in Normal mode.
Just let me know if this worked out on your tablet or not. Any further questions and for assistance, you may drop it in our Facebook page.