Vivo Nex Dual Display Edition was officially announced in December 2018, Device released in December 2018Mobile Network Support and BandVivo Nex Dual Display Edition have Dual, (Nano Sim) Card Slots,Vivo Nex Dual Display Edition support all GSM Based network providers. Vivo Nex Dual Display Edition 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,Vivo Nex Dual Display