Allview X3 Soul Pro was officially announced in February 2016, Device released in April 2016Mobile Network Support and BandAllview X3 Soul Pro have Dual, (Micro Sim + Nano Sim) Card Slots,Allview X3 Soul Pro support all GSM Based network providers. Allview X3 Soul 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 1900,HSDPA 2100,Allview X3 Soul Pro also support LTE based 4G Networks Support