Blackview S6 Pro was officially announced in October 2017, Device released in January 2018Mobile Network Support and BandBlackview S6 Pro have Dual Card Slots,Blackview S6 Pro support all GSM Based network providers. Blackview S6 Pro mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,Blackview S6 Pro also support LTE based 4G Networks Support at Frequency level LTE 2100,LTE 800,LTE 1800,LTE