This section covers The iPhone 16 line after a year or two: how to read battery health, where the heat comes from, and whether to replace the battery or the phone.
This section covers The iPhone 16 line after a year or two: how to read battery health, where the heat comes from, and whether to replace the battery or the phone.
WhyMyPhone reads live thermal state, CPU, battery, and storage metrics, then gives you the most likely cause plus fixes you can apply right away — with AI follow-ups when you want more precision. Rule-based diagnosis runs on-device; your data never leaves your phone.
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