Androidbiits.com brings another stunning news for all Grand 2 Duos SM-G7102 users. Android 4.4.2 XXUBNK1 G7102XXUBNK1 has been released for Samsung Galaxy Grand 2 SM-G7102. Owners of Grand 2 SM-G7102 may be wondering how to install G7102XXUBNK1. Dear reader, I am here to post the steps for updating Grand 2 Duos SM-G7102 to Android 4.4.2 G7102XXUBNK1. Recently, I have posted the tutorial for updating Samsung Galaxy S3 mini GT-I8200N to Android 4.2.2 I8200NXXUANJ2. Now I will post the complete guide using which you can update Samsung Galaxy Grand 2 Duos SM-G7102 to Android 4.4.2 G7102XXUBNK1. All Grand 2 SM-G7102 users may follow this guide to install G7102XXUBNK1 on their phone. Continue reading →