T311XXUBNI2 Android 4.4.2 KitKat Firmware for Galaxy Tab 3 8.0 SM-T311 - How to Install

T311XXUBNI2 Android 4.4.2 KitKat Firmware Last Updated on 23-Oct-2014. Owners of Samsung Galaxy Tab 3 8.0 SM-T311 (WiFi) can now update their tablet with the latest XXUBNI2 Android 4.4.2 KitKat official firmware. Samsung started rolling out an OTA update about the firmware. The latest firmware build version number is T311XXUBNI2. The Tablet was released in the month of June 2013 with Android 4.2.2 Jelly Bean and already received official Android 4.4.2 KitKat firmware update. This is another KitKat update for SM-T311. If you own the tablet and not yet updated this latest firmware, then do it now by following our simple tutorial below. The below guide will help you to download and install the T311XXUBNI2 Android 4.4.2 KitKat Firmware manually through Odin.

Root T311XXUBNI2

If you already updated the T311XXUBNI2 firmware and looking for an easy to follow method to root the firmware, then follow this guide- Root T311XXUBNI2 Android 4.4.2 Stock Firmware On Galaxy Tab 3 8.0 SM-T311 - Simple Tutorial.
Samsung Galaxy Tab 3 8.0 SM-T311

The latest Android 4.4.2 KitKat is definitely a great update for the Galaxy Tab 3 8.0 SM-T311 users. The latest firmware will upgrade the OS version to 4.4.2 KitKat and will bring many new features and performance tweaks.

Android 4.4.2 KitKat comes with many new features than the previous Android 4.3 Jelly Bean, some includesCamera shortcut on lockscreen, White icons in status bar, Performance improvements, Transparent status bar, Improved keyboard layout in landscape orientation, Select between the stock messaging app or Hangouts for SMS and MMS, Select between TouchWiz or other launchers through settings, Wireless printing, Updated Google apps and many more. 

So, want to update your Galaxy Tab 3 8.0 T311 to the latest T311XXUBNI2 Android 4.4.2 KitKat firmware? For official way, either you can go for  OTA (over the air) from Settings-About Tablet-Software Update or download firmware through the Samsung Kies utility. However, if you are looking for a manual way to update the latest Android 4.4.2 XXUBNI2 firmware on your Galaxy Tab 3 8.0 T311 through Odin then follow the step by step manual update guide below.

Important Note:

"The firmware is released only for the Samsung Galaxy Tab 3 8.0 SM-T311 model, so don’t try this in any other android device. Check your device model number from Settings-About Tablet. Also the tutorial is based on Windows PC. Follow all the pre-requisites, procedures and steps carefully to avoid breaking your Tablet".

Download T311XXUBNI2 Android 4.4.2 KitKat Official Firmware

Samsung rolled out the firmware for the following countries. The firmware which are unbranded or not locked to any carrier, no matter of which country or region, can be flashed on any Galaxy Tab 3 8.0 SM-T311 model.

Macedonia (T-Mobile): T311XXUBNI2_T311MBMBNJ1_MBM.zip

Bulgaria: T311XXUBNI2_T311OXXBNI2_GBL.zip

Poland: T311XXUBNI2_T311OXABNI3_XEO.zip


  • Check battery percentage, your device should have at least 80% battery power
  • Turn on USB Debugging mode, go to Settings-Developer Options-USB Debugging
  • Backup important data and settings to external storage- follow this guide
  • Install USB driver for your device on your computer- Download Samsung USB Driver

Points to be noted:

  • If you are using any Custom ROM such as- CyanogenMod, Paranoid Android, AOKP, SLIM ROMs etc, then it’ll replaced by this official Stock ROM
  • Custom Recovery (CWM or TWRP Recovery) will be replaced by Stock Recovery
  • After flashing official firmware, your device will no longer belongs to rooted device. However you can root your device any time after flashing the firmware.
All the above pre-requisites are very important and must follow before proceed to installation guide. Hope you get all the above points. Now, go through the below tutorial to install Android 4.4.2 T311XXUBNI2 official firmware on Galaxy Tab 3 8.0 T311.

How to Install Android 4.4.2 KitKat Official Firmware on Galaxy Tab 3 8.0 T311 through Odin:

  1. Download Android 4.4.2 XXUBNI2 Firmware for Galaxy Tab 3 8.0 T311 from the above list
  2. Download Odin 3.07
  3. Switch off your Tablet and boot Galaxy Tab 3 8.0 T311 into Download Mode by pressing and holding the Volume Down and Power keys together until you get the warning message, now press Volume Up key to proceed to Download Mode..
  4. Extract the downloaded Odin3.07 zip file and run the Odin3 v3.07.exe file as an administrator (Right click on the .exe file and click on Run as administrator)
  5. Now connect your Galaxy Tab 3 8.0 T311 to your computer via USB cable
  6. In Odin3 screen, you should see a COM Port number like “0:[COM7]” at ID:COM section and “Added!” text at the message box. This means your device has been detected by Odin3.
  7. Make sure that, only the “Auto Reboot” and “F. Reset Time” options are checked.
  8. Now, extract the downloaded firmware zip file, you’ll find a firmware file with extension .tar.md5
  9. In Odin screen, click on PDA button and select the firmware file with .tar.md5 extension (The firmware file look something like: T311XXDLJ5_T311ODDDLI7_INU.tar.md5)
  10. Now, click on the Start button to begin the installation process, wait few moments.
  11. Once completed, you would see “PASS!” message in ID:COM port having green background
  12. Your Tablet should automatically reboot after completion
  13. You can now disconnect your Tablet from computer
  14. Finish
Congrats! Your Galaxy Tab 3 8.0 T311 is ready now with the latest available firmware.  Hope you successfully update XXUBNI2 Android 4.4.2 KitKat official firmware on Galaxy Tab 3 8.0 SM-T311. If you followed everything as mentioned in the above tutorial, then your device should now running on the latest Android 4.4.2 KitKat build version XXUBNI2. You can verify the firmware update details from Settings-About Tablet. For any queries feel free to contact with us any time and don’t forget to share your experience in the comment below.


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