AT&T will start selling the Android 2.2 based Samsung Infuse 4G on May 15 for $199.99 on contract, marking the carrier’s second restricted 4G Smartphone as it launched the Motorola Atrix 4G.

The thickness is 8.99 millimeters (0.35 inches), the Infuse 4G will be the thinnest 4G smartphone, albeit with a bigger, 4.5-inch Super AMOLED Plus (super active-matrix organic LED plus) touch-screen and a virtual QWERTY keyboard for input.

Newest smartphone display technology of Samsung, which viewed on the Samsung Droid Charge, gives 50 percent more sub-pixels for crisp colors in light and dark . . . → Read More: AT&T will Release Latest Samsung Infuse 4G