The device has a capacitive touchscreen of 2.8 inch with a full QWERTY physical keyboard including optical track pad. (newgadget.org)
The 3.7 in capacitive touch screen sits above the usual four Android buttons (back, home, menu and search) on a touch - sensitive panel and beneath those is an optical track pad. (theregister.co.uk)
The optical track pad found on the original Incredible was replaced with the new capacitive buttons and the auto - rotating icons. (fonearena.com)