LG Optimus 2X was officially announced in December 2010, Device released in March 2011 LG Optimus 2X made under Optimus.Mobile Network Support and BandLG Optimus 2X have Mini-SIM Card Slots,LG Optimus 2X support all GSM Based network providers. LG Optimus 2X 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 1700,HSDPA 1900,HSDPA 2100,comes with network handling support with Network settings