... 2.2 System·Quadband GSM 850/900/1800/1900 MhzWCDMA ... Operation System: Android 2.2 System ·Quadband GSM 850/900/1800/1900 Mhz WCDMA 3G Support ... ES File Explorer, FM Radio,Gallery, Google Latitude, Mobile TV, Places, Search,Sound Recorder, Voice Dialer . . ... Support ThinkFree Mobile, Wireless Keyboard, Messenger,eBuddy,Facebook,Twitter,Angry Birds ...