BLU Advance 4.0 L Unlocked GSM Dual-Core Android 4.4 KitKat Smartphone - Black (Certified Refurbished) 4.0-inch TFT Capacitive Multi-Touchscreen Android OS 3.2 Megapixel Camera (2048 x 1536 pixels) w/ LED Flash and Geo-Tagging + Video Dual-Core 1.3 GHz Cortex-A7 Processor, Chipset: Mediatek MT6572, Mali-400 Graphics Internal Memory: 4GB ROM, 512 MB RAM, microSD Slot Expandable up to 64GB