Sony Ericsson Xperia arc S LT18a Unlocked Phone with Android, 8 MP Camera, 1.4 GHz Processor, and 4.2-Inch Display--U.S. Warranty (White) 4.2-inch LCD display Android OS v2.3.4 Gingerbread 4.0v upgradeable. 1 GB internal memory, microSD up to 32 GB, 1.4 GHz Scorpion. Scratch resistant glass, Reality display Sony Mobile Bravia Engine 8MP camera, autofocus, LED flash, Video calling, touch focus, geo-tagging, face and smile detection, 3D sweep panorama, image stabilization, HD video recording 720p Wi-Fi, Stereo-FM radio with RDS, A-GPS support, MP4/MP3 3G 800/850/1900/2100