... infromation about i850 phone as below : General BrandNextelModelI850Operating System Connectivity Wireless RadioGSM900/1800/1900mhz Iden 800/900 WiFi SupportNOMemory Internal Memory64RAM ... year limitedOther Features Other Features JAVA, GPS, MP3 Player, Bluetooth wireless ,PTT ,Direct talk ,Nextel Direct Connect®Group ConnectMusic capableGPS Navigation ...