LYF Wind 7i was officially announced in November 2016, Device released in November 2016Mobile Network Support and BandLYF Wind 7i have Dual Micro SIM Card Slots,LYF Wind 7i support all GSM Based network providers. LYF Wind 7i 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,LYF Wind 7i also support LTE based 4G Networks Support at Frequency level LTE 1800,LTE 850,LTE 2300,comes