iPhone battery bad after installing iOS 17.1? Try these 7 tips | ZDNET
Which? says iPhone 7 has worst battery-life of all current flagship smartphones - 9to5Mac
iOS 17.0.3 Battery Draining Fast | How to Fix iPhone Battery Drain Problem After iOS 17 Update - YouTube
Anyone else having battery drain issues? I have an iPhone 7 Plus running iOS 13.3.1 and I've randomly lost 20% battery in 5 mins. New OEM battery too. : r/ios
10 iOS 7 Battery Drain Fixes for iPhone 4, 4s, 5, 5c and iPhone 5s
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The iOS 7 Review
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