BLU Vivo One Plus (2019) was officially announced in January 2019, Device released in January 2019Mobile Network Support and BandBLU Vivo One Plus (2019) have Dual Card Slots,BLU Vivo One Plus (2019) support all GSM Based network providers. BLU Vivo One Plus (2019) 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 1700,HSDPA 1900,HSDPA 2100,BLU Vivo One Plus (2019) also support LTE