Two Maryland residents, Haotian Sun and Pengfei Xue, have been sentenced to prison for defrauding Apple out of 6,000 iPhones worth over $2.5 million.Sun was sentenced to 57 months in prison, while Xue was given 54 months.They devised a repair scheme involving sending in counterfeit iPhones to get genuine iPhones in exchange.Both will serve three years of supervised release and pay restitution to Apple.