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IPhone 4 Thông tin cấu hìnhPin Li-Ion, 1420 mAh
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WikiPedia: IPhone 4 http://www.apple.com/iphone/iphone-4/specs.html http://www.associated-content.com/article/5468684/... http://www.digitimes.com/news/a20110112PD216.html http://www.engadget.com/2010/06/07/steve-jobs-live... http://www.ifixit.com/Teardown/iPhone-4-Teardown/3... http://www.ifixit.com/Teardown/iPhone-4-Teardown/3... https://web.archive.org/web/20121217051912/http://... https://commons.wikimedia.org/wiki/Category:iPhone...