G7102XXUBNG4 Android 4.4.2 KitKat Firmware for Galaxy Grand 2 Duos SM-G7102- How to Install

G7102XXUBNG4 Android 4.4.2 KitKat Firmware Last Updated on 15-July-2014. Samsung Galaxy Grand 2 Duos SM-G7102 recently received the latest XXUBNG4 Android 4.4.2 KitKat official firmware update. Samsung started rolling out an OTA update about the firmware. The latest firmware build version number is G7102XXUBNG4. The Galaxy Grand 2 Duos was released with Android 4.3 Jelly Bean out of the box and this is the first official Android 4.4.2 KitKat firmware update for SM-G7102. If you own the Smartphone and not yet updated this latest firmware, then update the same using our simple tutorial below. The below guide will help you to download and install the G7102XXUBNG4 Android 4.4.2 KitKat firmware manually through Odin.

Root G7102XXUBNG4

If you already updated the G7102XXUBNG4 firmware and looking for an easy to follow method to root the firmware, then follow this guide- Root G7102XXUBNG4 Android 4.4.2 Stock Firmware On Galaxy Grand 2 Duos SM-G7102- Simple Tutorial.
Samsung Galaxy Grand 2 Duos SM-G7102

The latest Android 4.4.2 KitKat is definitely a great update for the Galaxy Grand 2 Duos SM-G7102 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 Grand 2 Duos G7102 to the latest G7102XXUBNG4 Android 4.4.2 KitKat firmware? To install in official way, either you can go for OTA update from Settings-About-Software Update or download firmware through the Samsung Kies utility. However, most of us prefer manual way to update official firmware. So, in this article you’ll find step by step manual guide to update the latest Android 4.4.2 XXUBNG4 firmware on your Galaxy Grand 2 Duos G7102 through Odin.

Also Check: Samsung Galaxy Grand 2 Duos SM-G7102 Full Specifications and Features 

Important Note:

"The firmware is released only for the Samsung Galaxy Grand 2 Duos SM-G7102 model, so don’t try this in any other android device. Check your device model number from Settings-About Phone. Also the tutorial is based on Windows PC. Follow all the pre-requisites, procedures and steps carefully to avoid breaking your phone".

Download G7102XXUBNG4 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 Grand 2 Duos SM-G7102 model.

India: G7102XXUBNG4_G7102ODDBNG4_INU.zip

[Firmware for rest of the countries and carrier will be update here when available]


  • Check battery percentage, your device should have at least 60% 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 G7102XXUBNG4 official firmware on Galaxy Grand 2 Duos G7102.

How to Install Android 4.4.2 KitKat Official Firmware on Galaxy Grand 2 Duos G7102 through Odin:

  1. Download Android 4.4.2 XXUBNG4 Firmware for Galaxy Grand 2 Duos G7102 from the above list
  2. Download Odin
  3. Switch off your phone and boot Galaxy Grand 2 Duos G7102 into Download Mode by pressing and holding the Volume Down+Home+Power buttons (long press until the boot screen appear), now press Volume Up key to proceed to Download Mode.
  4. Extract the downloaded Odin3.09 zip file and run the Odin3 v3.09.exe file as an administrator (Right click on the .exe file and click on Run as administrator)
  5. Now connect your Galaxy Grand 2 Duos G7102 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 AP button and select the firmware file with .tar.md5 extension (The firmware file look something like: G7102XXDLJ5_G7102ODDDLI7_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 phone should automatically reboot after completion
  13. You can now disconnect your phone from computer
  14. Finish
Congrats! you have completed the tutorial to update Android 4.4.2 KitKat official firmware on Galaxy Grand 2 Duos SM-G7102. Hope you successfully done the update process. If you followed everything as mentioned in the above tutorial, then your Galaxy Grand 2 Duos should now running on the latest Android 4.4.2 KitKat build version XXUBNG4. You can confirm the firmware update details from Settings-About Phone. If you stuck in any point or find any issue with the download link, then feel free to contact with us using the comment form below.

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