How To Update Samsung Galaxy Grand 2 Duos G7102 to XXUBNH6 Android 4.4.2 KitKat Official Firmware



Samsung Galaxy Grand 2 Duos G7102 has finally received android 4.4.2 KitKat firmware update , with this built of KitKat firmware you will enjoy whole new TouchWiz interface , all bugs fixed , performance enhancements. This new KitKat firmware runs smoothly on galaxy grand duos 2 , users highly appreciate this firmware update . This update is roll out through OTA and Samsung KIES  soon you will receive this update on your device . But in case you didn’t wait for this update to reach your region we today guide you how to manually update your galaxy grand duos 2 to android 4.4.2 KitKat XXUBNH6 official firmware .


Before you start you need the following .


This guide is for Samsung Galaxy Grand 2 Duos G7102 variant , do not try this method on any other galaxy grand duos 2 variant. Follow each step carefully in case of any mishap or you brick your smartphone we are not held responsible for that . 


How To Update Samsung Galaxy Grand 2 Duos G7102 to XXUBNH6 Android 4.4.2 KitKat Official Firmware:

  • Switch Off your smartphone.
  • Boot your smartphone in Download Mode. Press and hold volume down+power buttons .
  • Open Odin.


  • Now connect your smartphone with PC and when your smartphone connects successfully one of the Odin port become colorful.
  • Now extract the file you download above ( Android 4.4.2 KitKat  ).
  • Click on PDA or AP and select the file which has AP in his name , this file will be found in extract folder of  Android 4.4.2 KitKat firmware .
  • Check Auto Reboot and F. Reset Time options in Odin.
  • Click Start.
  • After installation completes your device will automatically boots and when you see home screen unplug your tab from PC.