Allview P4 Quad was officially announced in September 2018, Device released in September 2018Mobile Network Support and BandAllview P4 Quad have Dual, (Micron Sim + Nano Sim) Card Slots,Allview P4 Quad support all GSM Based network providers. Allview P4 Quad 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,Allview P4 Quad also support LTE based 4G Networks Support at Frequency level