Androidbiits.com is here to share a glorious news with all Grand 2 Duos SM-G7102 owners. G7102XWUBNK1 Android 4.4.2 KitKat XWUBNK1 has been released for Samsung Galaxy Grand 2 Duos SM-G7102. Have you managed to get your hands on Grand 2 SM-G7102. You might be wondering how to install G7102XWUBNK1. Dear friend, I am here to guide you in updating your Grand 2 Duos SM-G7102 to Android 4.4.2 XWUBNK1. Recently, I have written the tutorial for updating Samsung Galaxy Fame GT-S6810P to Android 4.1.2 S6810PXXAMRE. Now I am going to publish the step by step tutorial to update Samsung Galaxy Grand 2 Duos SM-G7102 to Android 4.4.2 XWUBNK1 G7102XWUBNK1. All Grand 2 SM-G7102 users can use these instructions to install G7102XWUBNK1 on their phone. Continue reading →