Sony Xperia X was officially announced in February 2016, Device released in April 2016 Sony Xperia X made under Xperia.Mobile Network Support and BandSony Xperia X have Dual, (Optional Single Sim Model) Card Slot,Sony Xperia X support all GSM Based network providers. Sony Xperia X 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 1700,HSDPA 1900,HSDPA 2100,Sony Xperia X also support