Blackview BV8000 Pro was officially announced in February 2017, Device released in May 2017Mobile Network Support and BandBlackview BV8000 Pro have Hybrid Dual Sim, (Micro Sim + Nano Sim) Card Slots,Blackview BV8000 Pro support all GSM Based network providers. Blackview BV8000 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 BV8000 Pro also support LTE based 4G Networks