Update M919NUVUFNK3 Android 4.4.4 KitKat Firmware on T-Mobile Galaxy S4 SGH-M919N [Full Tutorial]

M919NUVUFNK3 Android 4.4.4 KitKat official firmware for
T-Mobile Galaxy S4 SGH-M919N 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 new firmware