Key features Optional Dual SIM support(Xperia M4 Aqua Dual) 5.0" 16M-color 720 x 1280 IPS LCD capacitive touchscreen with Triluminos technology Android OS v5.0 Lollipop Quad-core 1.5GHz Cortex-A53 and quad-core 1.0 GHz Cortex-A53; Qualcomm MSM8939 Snapdragon 615, Adreno 405, 2GB RAM 13MP camera with 1080p@30fps video; 5MP front-facing camera with 720p video 8/16GB of built-in storage and a microSD card slot LTE Cat.4(150Mbps).
Dual-band Wi-Fi a/b/g/n; GPS/GLONASS receiver, Bluetooth v4.1, FM radio with RDS Active noise cancellation with a dedicated mic 2, 400mAh non-removable battery IP68 certified - dust and water proof up to 1.5 meter and 30 minutes
Main disadvantages 8GB built-in storage is insufficient, better opt for the 16GB model Non-removable battery