Sony Xperia M4 Aqua was officially announced in March 2015, Device released in May 2015 Sony Xperia M4 Aqua made under Xperia.Mobile Network Support and BandSony Xperia M4 Aqua have Dual, (Optional Single Sim) Card Slot,Sony Xperia M4 Aqua support all GSM Based network providers. Sony Xperia M4 Aqua 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 1900,HSDPA 2100,Sony Xperia