Better battery life
13 of 15 from iPhone 5: 15 most-wanted features (photos)
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Every time Apple puts out a new iPhone, the battery life gets slightly better, so we expect no less from the sixth-generation iPhone. At least on paper, the iPhone 4S offers very similar battery life to the iPhone 4, so this is one area where there's significant room for improvement.
Chances of implementation: 50 percent
May 2, 2012 1:12 PM PDT
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