G7102XXUBNH6 Android 4.4.2 KitKat Firmware for Galaxy Grand 2 Duos SM-G7102 - How to Install

G7102XXUBNH6 Android 4.4.2 KitKat Firmware Last Updated on 17-Sep-2014. Samsung Galaxy Grand 2 Duos SM-G7102 users can now update their Smartphone with the latest XXUBNH6 Android 4.4.2 KitKat official firmware. Samsung started rolling out an OTA update about the firmware. The latest firmware build version number is G7102XXUBNH6. The Galaxy Grand 2 Duos was released with Android 4.3 Jelly Bean