Sony Xperia E3 was officially announced in September 2014, Device released in September 2014 Sony Xperia E3 made under Xperia.Mobile Network Support and BandSony Xperia E3 have Micro-SIM Card Slots,Sony Xperia E3 support all GSM Based network providers. Sony Xperia E3 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 E3 also support LTE based