Battery
My battery health decreased from
84% to 81%suddenly.what was the reason?
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My battery health decreased from
84% to 81%suddenly.what was the reason?
have you read
About the battery and performance of iPhone 11 and later - Apple
and maybe iPhone Battery and Performance - Apple Support
and Batteries - Maximizing Performance - Apple
people report apple does not change the batteries until they are lower than 80% in health
Battery