You are taking things out of context. For starters, they did not do that on the iPhone 5S, only on 6 and newer [0]. [0]: https://www.apple.com/iphone-battery-a

You are taking things out of context. For starters, they did not do that on the iPhone 5S, only on 6 and newer [0]. [0]: https://www.apple.com/iphone-battery-and-performance/ https://www.apple.com/iphone-battery-and-performance/