... GSM network 850/900/1800/1900 mHzIn mobile phones, dual-band and tri-band refer to functionality that allows a cell phone ... touch screen! Featuring Android 2.2 operating system, dual SIM card slots, WiFi, and comes in a selection of 4 colors all ... card, dual standbyWIFI:802.11b/g wireless internetG-sensor for landscape and portrait viewSupports CompassSupport Gmail, Facebook, Skype, MSN, word, excel, ...