Review: Samsung Epic 4G
The Samsung Epic 4G is very sensitive to touch input. On every screen, from the multi-panel home screens to the long contact lists, the phone responded instantly to my touch with no lag and no mistakes. Multi touch gestures like pinching to zoom on Web pages and photos also worked smoothly.
The touch sensitive buttons beneath the screen gave me some trouble. During my review period, I used two different units. On one, these buttons hardly worked at all; the unit was clearly defective. On the other, the buttons were much more responsive, but still not as fast as I'd like. I've never preferred touch buttons to real hardware keys, and I wish Samsung had used physical buttons beneath the screen on this phone.