Samsung Galaxy Halo J727 was officially announced in July 2017, Device released in July 2017 Samsung Galaxy Halo J727 made under Galaxy Series.Mobile Network Support and BandSamsung Galaxy Halo J727 have Yes Card Slots,Samsung Galaxy Halo J727 support all GSM Based network providers. Samsung Galaxy Halo J727 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 1900,HSDPA 2100,Samsung