Blackview BV9700 Pro was officially announced in January 2019, Device released in June 2019Mobile Network Support and BandBlackview BV9700 Pro have Dual Card Slots,Blackview BV9700 Pro support all GSM Based network providers. Blackview BV9700 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 BV9700 Pro also support LTE based 4G Networks Support at Frequency level LTE 2100,LTE