Introduction Have you noticed your iPhone struggling to hold a charge after using it for a while? Does a full charge fail to last even half a day, or does the phone suddenly shut down on its own? These can all be signs of battery aging. This article introduces a few simple methods to quickly determine whether your iPhone battery needs replacing. I. Check Battery Health This is the most direct method: Open **Settings**Tap **Battery**Tap **Battery Health & Charging**Check the **Maximum Capacity** value Reference Guidelines: 100% – 80%: Battery is...
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