Sharp Aquos XX2 Mini was officially announced in October 2015, Device released in December 2015Mobile Network Support and BandSharp Aquos XX2 Mini have Nano-SIM Card Slots,Sharp Aquos XX2 Mini support all GSM Based network providers. Sharp Aquos XX2 Mini mobile device support 2G Band Frequency at GSM 900,GSM 1800 and Hight Speed 3G Network Band at HSDPA 900,HSDPA 2100,Sharp Aquos XX2 Mini also support LTE based 4G Networks Support at Frequency level LTE 2100,LTE 1700,LTE