Fans can trade in their old iPhones and iPads with Apple's latest products such as iPhone 6, 6 Plus and ipad Air 2. Others can also trade in their PCs for latest Mac computers. But consumers can only enjoy the service in Apple Stores. Specialists in the Apple Stores will give their advice on the concrete depreciation price. Media reports say one iPhone 4s is worth around 80 US dollars. Apple has seen a soaring market in China in recent years, with the reservations for the Apple Watch to begin on April 10, and official sales on April 25. Source: China.org.cn
