BLU Dash 3.5 II D352u Unlocked GSM Dual-SIM 4G HSPA+ Android Smartphone - Black 2G: GSM 850 / 900 / 1800 / 1900 (SIM 1 & SIM 2), 3G/4G: HSDPA (and HSPA+) 850 / 1700 / 1900 4.0-inch WVGA Multi-Touchscreen Android v4.4 (KitKat), Dual-Core 1 GHz Processor, Mali-400 Graphics 3.2 Megapixel Camera (2048 x 1536 pixels) + Front-Facing VGA Camera + Video Internal Memory: 512MB ROM, 256MB RAM + microSD Slot Expandable up to 64GB