My iPhone X Battery's maximum capacity drops to 96 from 98 in one night. Is it normal? And can I increase this? - Quora
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Some iPhone 11 Users Seeing Increased Battery Health Percentages After iOS 14.5 Recalibration Process - MacRumors
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IPhone 6s, max capacity 81% and battery still dies in 1 hour, bad battery? Grandma owned phone since it was bought new. : r/mobilerepair
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