Sony Xperia M4 Aqua E2306 16GB Unlocked GSM 4G LTE Android Smartphone w/ 13 Megapixel Camera - White -2G:GSM 850 / 900 / 1800 / 1900, 3G: 850 / 900 / 1700 AWS1 / 1900 / 2100, 4G LTE:B2,B4,B5,B7,B12,B13,B17,B28 Android v5.0 Lollipop (upgradable to Marshmallow), Quad-Core 1.5 GHz Cortex-A53 + Quad-Core 1.0 GHz Cortex-A53 Processor, Chipset: Qualcomm MSM8939 Snapdragon 615 5-inch IPS LCD capacitive Multi-Touchscreen; IP68-Certified (dust/water proof up to 1.5 m) Internal Memory: 16GB, 2GB RAM + microSD Slot Expandable up to 128GB (dedicated slot) 13 Megapixel Camera w/ Autofocus & LED Flash+ Front-Facing 5 Megapixel Camera