N?u b?n ?ang có ý ??nh mua cho mình m?t chi?c iPhone c? thì ??ng ng?n ng?i. D??i ?ây là m?t trong nh?ng lý do khi?n b?n ph?i s? h?u ngay cho mình m?t chi?c iPhone c? c?a Apple.By Cory Bohon Cory Bohon is surely an indie developer specializing in iOS and OS X advancement. He runs a application company named Cocoa App and is usually a develop