If you are facing any issue on your Grand 2 Duos SM-G7102, then you may be waiting to install a new firmware update on your SM-G7102. Androidbiits brings a great news for the owners of Grand 2. G7102XXUBNH4 Android 4.4.2 XXUBNH4 has been released for Samsung Galaxy Grand 2 SM-G7102. If you are wondering how to install G7102XXUBNH4, then I am here to help you in updating your Grand 2 Duos SM-G7102 to Android 4.4.2 XXUBNH4. Recently, I have posted the tutorial for updating Samsung Galaxy Core 2 SM-G355H to Android 4.4.2 G355HXXU0ANHA. Now I am going to write the tutorial to update Samsung Galaxy Grand 2 Duos SM-G7102 to Android 4.4.2 XXUBNH4. If you are SM-G7102 owner, then you can install G7102XXUBNH4. Continue reading →