LG Optimus G Pro was officially announced in February 2013, Device released in April 2013 LG Optimus G Pro made under Optimus.Mobile Network Support and BandLG Optimus G Pro have Micro-SIM Card Slots,LG Optimus G Pro support all GSM Based network providers. LG Optimus G Pro mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 1900,HSDPA 2100,LG Optimus G Pro also support LTE based 4G Networks Support