Detailed Product Description - Network:WiFi+GSM 850/900/1800/1900Mhz- Support WLAN(WiFi),802.11b/g, SIP protocal ... as ringtone - Message:Support SMS,EMS,MMS- Major function: Closck,Vibrate Alert ,Profiles,Speaker Phone,Standby picture,Canlendar,Calcular,Support GPRS ... Note:We also sold GSM and wifi mobile phone,wimax wifi mobile phone,Tri band mobile Phone, Dual mode mobile phone, quad band cell phone