Lenovo P70 4G LTE was officially announced in January 2015, Device released in February 2015Mobile Network Support and BandLenovo P70 4G LTE have Dual Micro SIM Card Slots,Lenovo P70 4G LTE support all GSM Based network providers. Lenovo P70 4G LTE 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 P70 4G LTE also support LTE based 4G Networks Support at Frequency