Good morning Samsung Galaxy Grand 2 Duos SM-G7102 owners, Androidbiits.com is ready to share a stunning news with all Grand 2 Duos SM-G7102 users. G7102XWUBNI2 Android 4.4.2 XWUBNI2 has been released for Samsung Galaxy Grand 2 SM-G7102. Have you recently bought Grand 2 Duos SM-G7102? You may be wondering how to install G7102XWUBNI2. Dear reader, I am ready to help you in updating your Grand 2 Duos SM-G7102 to Android 4.4.2 XWUBNI2. Recently, I have written the tutorial for updating Samsung Galaxy Mega 5.8 Duos SCH-P709 to Android 4.2.2 P709KEUCNI1. Now I am going to publish the step by step instructions to update Grand 2 Duos SM-G7102 to Android 4.4.2 XWUBNI2. All Grand 2 Duos SM-G7102 users must use these instructions to install G7102XWUBNI2 on their device. Continue reading →