As you can tell if you read through our shiny new iPhone 15 review, Apple’s latest flagship phones are an appealing mix of hardware and software prowess – and it’s emerged that the handsets come with a couple of useful features for preserving battery health.First up, via MacRumors, all the iPhone 15 models come with a new setting that prevents them from being charged above 80%. This adds to the existing Optimized Battery Charging feature, where iOS is selective
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