According to T-Mobile, this is the carrier's thinnest phone yet. The One S measures 5.1 by 2.5 by 0.31 inches. The One S is thus slightly thicker than the (0.28 inches) but a bit thinner than the (0.36 inches). HTC's minimalist design leaves no unused or excess space. The Gorilla Glass, which protects the display, goes almost to the edge of the phone's chassis, with a small space for the phone's speaker. Below the display, you'll find the three standard Ice Cream Sandwich touch-sensitive buttons: Back, Home, and Recent Apps.

The 4.3-inch qHD display (540 by 960 pixels) has the same resolution as the , also on T-Mobile. This resolution is lower than 720-by-1280-pixel Super IPS LCD 2 display on the top dog of the One line, the . The technology makes colors look bold and details sharp, for the most part.

In our color bar test, I detected a fair amount of oversaturation. Colors bled into one another, and it was hard to distinguish one color shade from the next (see the example images). Super AMOLED fares better than LCD displays in sunlight, but it was still hard to see the One S's display.

Ice Cream Sandwich With Sense 4.0

Love it or hate it, --the manufacturer's user interface over Android--is here to stay. has, by far, the best-looking interface of any version of Android. I understand why manufacturers slapped on overlays in the early days of Android: The underlying interfaces were ugly. And HTC Sense is undeniably pretty. But those animations and colorful widgets have a tendency to bog down the operating system.