... tablet computer, Flat computer Model NO.: F871 Type: Panel personal computer,3G Mobile, Media player,Electrical photo frame, Ebook ... reader,Digital camera Time to market: April , 2011, Communication system GSM/GPRS/EDGE/HSDPA/WCDMA Frequence : GSM 850/900/1800 ... : ON,OFF,sleep key,lock,volume+/-, home, menu, back, SYSTEM Reset Sencor,gravity acceleration sensor,auto-change Horizontal screen shaft ...