Are you a user of Galaxy Win Pro DUOS SM-G3812? Androidbiits.com brings a piece of good news for the people who are using Galaxy Win Pro DUOS SM-G3812. Android 4.2.2 Jelly Bean ZNUANF1 [G3812ZNUANF1] has been released for Samsung Galaxy Win Pro DUOS SM-G3812. Are you wondering how to install G3812ZNUANF1? Dear friend, I am here to help you in updating your Galaxy Win Pro DUOS SM-G3812 to Android 4.2.2 ZNUANF1. Recently, I have posted the steps for updating T-Mobile Samsung Galaxy Tab 4 8.0 SM-T337T to Android 4.4.2 UVU1ANF4. Now I am going to write the step-by-step instructions to update Samsung Galaxy Win Pro DUOS SM-G3812 to Android 4.2.2 Jelly Bean ZNUANF1. This is really a great news for Galaxy Win Pro DUOS SM-G3812 owners who are bored with the old firmware. Continue reading →