AT&T first unveiled the Samsung Infuse 4G at CES 2011. Today, it announced that it will be available as of May 15th. Not only does it feature the largest display in AT&T’s smartphone catalog, i is also the thinnest at 8.99 millimeters at its thinnest point but also its first to support HSDPA CAT 14 (21.1Mbps) and HSUPA CAT 6 […]