G7102DDUBNJ2 Android 4.4.2 KitKat Firmware for Galaxy Grand 2 Duos SM-G7102 - How to Install

G7102DDUBNJ2 Android 4.4.2 KitKat Firmware Last Updated on 27-Oct-2014. Users of Samsung Galaxy Grand 2 Duos SM-G7102 can now update their Smartphone with the latest DDUBNJ2 Android 4.4.2 KitKat official firmware. Samsung started rolling out an OTA update about the firmware. The latest firmware build version number is G7102DDUBNJ2. The Galaxy Grand 2 Duos was released with Android 4.3 Jelly Bean