HTC Evo 4 finally in the USA who first uses the strengths-based OS Android OS 2.1. Also this phone has a network structure that uses 3-6Mbps WiMAX access is very high.
This phone has a 1.3 MP front camera for video chat and 720p video recording capability. In addition, similar specifications HD2 with AMOLED touch screen and 1GHz Snapdragon processor. There are 8 MP camera on the back, including recording and playback 720p HD video. HTC interface Sense for Android UI is also attached, plus a web browser application which has been optimized for 800x480 pixel display, including flash and multi-touch support.