Update I547UCCNJ2 Android 4.1.2 JB ROM on AT&T Galaxy Rugby Pro SGH-I547

I547UCCNJ2 Android 4.1.2 Jelly Bean official firmware for
Samsung Galaxy Rugby Pro SGH-I547 (USA AT&T) is out and the users can now manually download the firmware zip file from here at
NasirTech. Samsung time to time releasing software update for all their Android
Smartphone and tablet devices and it is always recommended to update the latest
available firmware for your device as with every