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Will iOS 9 Slow Your Old iPhone?
iPhone software updates have a bad rap. WSJ's Geoffrey A. Fowler shows you how the latest update affects four generations of iPhones.
September 15, 2015
1:51
Will iOS 9 Slow Your Old iPhone?
iPhone software updates have a bad rap. WSJ's Geoffrey A. Fowler shows you how the latest update affects four generations of iPhones.
September 15, 2015
1:51