Refurbished devices which are also known as remanufactured or reconditioned devices are products that have been bought, used, and then returned as used or faulty. In fact, we can say while not all used devices are refurbished, almost all refurbished electronics are used. Professional technicians refurbish these products to grant them a factory-new performance with different refurbished grades after extensive testing and quality controls. Some manufacturers refurbish their products themselves.