Sony Xperia Z3+ was officially announced in May 2015, Device released in June 2015 Sony Xperia Z3+ made under Xperia.Mobile Network Support and BandSony Xperia Z3+ have Nano-SIM Card Slots,Sony Xperia Z3+ support all GSM Based network providers. Sony Xperia Z3+ 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 Z3+ also support LTE based 4G