OnePlus 5T was officially announced in November 2017, Device released in November 2017Mobile Network Support and BandOnePlus 5T have Dual, (Nano Sim) Card Slots,OnePlus 5T support all GSM Based network providers. OnePlus 5T 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 1700,HSDPA 1900,HSDPA 2100,OnePlus 5T also support LTE based 4G Networks Support at Frequency level LTE 700,LTE 2100,LTE