Sony Xperia C4 was officially announced in May 2015, Device released in June 2015 Sony Xperia C4 made under Xperia.Mobile Network Support and BandSony Xperia C4 have Yes Card Slots,Sony Xperia C4 support all GSM Based network providers. Sony Xperia C4 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 C4 also support LTE based 4G Networks