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My iPhone 15 Pro Max battery life went from great to awful in less than two years - what happened?
My iPhone was a battery champ when it first launched. But not so much anymore. Here's what I'm doing about it.
Apple says that the battery is designed to retain 80% of its original capacity at 1,000 recharge cycles "under ideal conditions." Adrian Kingsley-Hughes/ZDNETThis iPhone is running a beta version of iOS 26, with Adaptive Power enabled, so in theory it should manage battery consumption better. However, bugs are to be expected in beta software, so I thought that might have something to do with the issue and rolled back to the latest iOS 18 release.
Or read this on ZDNet
