Lenovo K6 Power was officially announced in January 2017, Device released in December 2016Mobile Network Support and BandLenovo K6 Power have Dual Card Slots,Lenovo K6 Power support all GSM Based network providers. Lenovo K6 Power 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 900,HSDPA 1900,HSDPA 2100,Lenovo K6 Power also support LTE based 4G Networks Support at Frequency level LTE 2100,LTE