Beware of refurbished phones, be cautious when buying grey market iPhones

A groundbreaking product is always enthusiastically embraced by the market. And in today's mobile phone market, this product is called the iPhone. Its revolutionary full-touchscreen operation offers users, who are already bored with button controls, a new companion. With its excellent music and network capabilities, the innovativeness of the iPhone is also evident. The more popular the model, the more stories there often are behind it.