Androidbiits.com is here to share an amazing news with all Grand 2 Duos SM-G7102 owners. G7102XXUBNK2 Android 4.4.2 KitKat XXUBNK2 has been released for Samsung Galaxy Grand 2 Duos SM-G7102. If you have managed to buy Grand 2 Duos SM-G7102, then you might be wondering how to install G7102XXUBNK2. Dear friend, I am here to write the steps for updating your Grand 2 SM-G7102 to Android 4.4.2 XXUBNK2. Recently, I have written the tutorial for updating Samsung Galaxy Young 2 SM-G130HN to Android 4.4.2 G130HNXXU0ANI1. Now I will publish the tutorial to update Samsung Galaxy Grand 2 SM-G7102 to Android 4.4.2 XXUBNK2 G7102XXUBNK2. All Grand 2 Duos SM-G7102 users must follow this tutorial to install G7102XXUBNK2 on their phone. Continue reading →