AT&T Sony Ericsson Xperia X10 No Contract 3G Global Android Smartphone - Black AT&T This product has been extensively tested, is certified to be 100% functional, and ready for activation Sony Ericsson Xperia X10 is an Android based smartphone with a large 4-inch touch display, 8 megapixel camera, WiFi, Bluetooth compatibility, and features Sony Ericsson's Mediascape and Timescape software Other features include music player, internet browsing, email access, video streaming, MMS and SMS text messaging, and 3G data This quad-band device also features WCDMA modes for international use: GSM 850/900/1800/1900 - WCDMA 850/1900/2100 The Xperia offers access to thousands of apps, games, movies, books, and music available on Google's Play Store