Gionee F103 Pro was officially announced in June 2016, Device released in June 2016Mobile Network Support and BandGionee F103 Pro have Dual Card Slots,Gionee F103 Pro support all GSM Based network providers. Gionee F103 Pro 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,Gionee F103 Pro also support LTE based 4G Networks Support at Frequency level LTE 800,LTE 1800,LTE 2600,LTE 900,LTE