Nokia Asha 303 was officially announced in October 2011, Device released in December 2011 Nokia Asha 303 made under Asha.Mobile Network Support and BandNokia Asha 303 have Mini-SIM Card Slots,Nokia Asha 303 support all GSM Based network providers. Nokia Asha 303 mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1700,HSDPA 1900,HSDPA 2100,comes with network handling support