歴代iPhone
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http://img.v3.news.zdn.vn/Uploaded/Aohuouk/2013_12_31/iphone3g3.jpg
http://briefmobile.com/images/articles/2012/06/iPhone4_2.jpg
http://cdn6.previousmagazine.com/wp-content/uploads/2013/10/Back-of-iPhone-5s-Space-Grey-1024x685.jpg
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