Sprint's Kyocera Echo is running with Android 2.2 Froyo OS and having dual displays, each measuring 3.5 inches, which can be unfolded and used as a single 4.7-inch 960 x 800 display. Kyocera Echo is 3G-only -- there's no WiMAX and it is having Wi-Fi b/n/n, hotspot capability, 1GHz chipset, 8GB micro-SD card installed, 512MB RAM, and more Check out the full specifications and the price details of Kyocera Echo here.