Nexus 5 the successor to smartphone Nexus 4 comes pre-loaded with Android OS v4.4 (KitKat) provides an improved Android UI has a True HD IPS touchscreen that's 4.95 inches in size and offers a pixel density of 445. Nexus 5 is also equipped with a Quad-core 2.3GHz processor on the Snapdragon 800 SoC chip provides 2GB built-in RAM while an Adreno 330 GPU powers the phone graphics acceleration.
What is Refurbished? Refurbished products have been tested and verified to function properly and are thus free of defects. Refurbished products may be unused customer returns that are essentially 'new' items or they may be defective products that were returned under warranty and resold by the manufacturer after repairing the defects and ensuring proper function. It has been fully tested and is operational with minor cosmetic faults. Refurbished items and their accessories may display marks or superficial scratching that would be expected from normal use - these cosmetic flaws do not in any way affect the performance of the unit.