battery
Bought a used phone, the battery capacity was 95%, and in 2 weeks it fell by 2%, is that the norm?
iPhone 11, iOS 16
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Battery Health will continue to decline and 1 -2% per month is usual. When the battery health dips to 80% or less, it will then be time to replace the battery in your iPhone. And it will dip that low at some point.
In the meantime, read this link to learn how to maximize battery performance in your iPhone --> Batteries - Maximizing Performance - Apple