How to fix iOS 11 and iPhone X battery life problems

Apple currently offers the standard iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus, and the smaller iPhone SE. Between them, they’re rated for 10 to 12 hours of battery life while browsing the web, checking email, and chatting.

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How to fix iOS 11 and iPhone X battery life problems