“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,” Adrian Kingsley-Hughes reports for ZDNet. “I saw the battery life of my iPhone – and several other test devices – go from “great” to “poor” overnight.”

“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,” Kingsley-Hughes reports. “Following iOS 7.1, I started seeing the battery drop to around 48 percent per six hours of use, which was a significant and very noticeable level of degradation.”

“Then came iOS 7.1.1,” Kingsley-Hughes reports. “Following this update I’ve noticed that things have improved dramatically, and now battery life is only falling to around 76 percent per six hours of average use, which is better than what I was getting pre iOS 7.0.”

Read more in the full article here.