iOS 7.1.1 brings with it better iPhone battery life

I keep an eye on iPhone and iPad battery life following all iOS updates and I have to say that the iOS 7.1 update wasn't kind to the power pack. I saw the battery life of my iPhone – and several other test devices – go from "great" to "poor" overnight.

Do I have numbers to back up my assertion? You bet I do!

I've collected a fair bit of data for my workhorse iPhone 5. Pre iOS 7.0, six hours of use would take my fully charged iPhone down to 74 percent.

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