Apple iPhone 4 8GB - Sprint - Black (Refurbished) This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Display: 3.5" LED-backlit IPS LCD capacitive touchscreen Bands: 2G - GSM 850 / 900 / 1800 / 1900; 3G - HSDPA 850 / 900 / 1900 / 2100 Camera: 5MP primary; VGA secondary, 720p video; WiFi, Bluetooth