Samsung USA Official KitKat Update List topic

Samsung 4.4 Update Official List Here

Samsung is developing Android 4.4 KitKat firmware for these smartphones:

Samsung Galaxy Note 3
Samsung Galaxy Note II
Samsung Galaxy S4
Samsung Galaxy S4 mini
Samsung Galaxy S4 Active
Samsung Galaxy S4 Zoom
Samsung Galaxy S III
Samsung Galaxy S III mini
Samsung Galaxy Mega 6.3
Samsung Galaxy Light

And here is the list of the KitKat compatible slates:

Samsung Galaxy Note 10.1 2014 Edition
Samsung Galaxy Note 10.1
Samsung Galaxy Note 8.0
Samsung Galaxy Tab 3 7.0
Samsung Galaxy Tab 3 8.0
Samsung Galaxy Tab 3 10.1