Sony Xperia M4 AQUA is the upcoming Smartphone from Sony Smartphone. It is the Successor of the Xperia M2 Dual .
According to Xperia M4 Aqua Phone Specifications there is one E2313 Model having the 8GB internal Memory along with 3G Network Support but There is no words From Sony Mobiles about this. Sometimes it may be available with 13Mp Primary and 5MP secondary Camera With 8GB Internal Memory and 1 GB RAM with the following 3G Band Support UMTS HSPA+ 900 (Band VIII), 850 (Band V), 1700 (Band IV), 1900 (Band II), 2100 (Band I) MHz. GSM GPRS/EDGE 850, 900, 1800, 1900 MHz