Samsung Galaxy Appeal I827 was officially announced in May 2012, Device released in June 2012 Samsung Galaxy Appeal I827 made under Galaxy Series.Mobile Network Support and BandSamsung Galaxy Appeal I827 have Mini-SIM Card Slots,Samsung Galaxy Appeal I827 support all GSM Based network providers. Samsung Galaxy Appeal I827 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 1900,HSDPA 2100,