M819NUVUBNI5 Android 4.4.4 KitKat Firmware for T-Mobile Galaxy Mega 6.3 SGH-M819N - How to Install

M819NUVUBNI5 Android 4.4.4 KitKat Firmware Last Updated on 18-Oct-2014. Users of T-Mobile Samsung Galaxy Mega 6.3 SGH-M819N can now update their Smartphone with the latest UVUBNI5 Android 4.4.4 KitKat official firmware. Samsung recently started rolling out an OTA update about the firmware. The latest firmware build version number is M819NUVUBNI5. The firmware is also available for manual