What causes battery health decrease
my battery health is 97%.. It is normal or should i consult a repair.. and what causes battery health to be decrease.. TQ
iPhone 12 Pro, iOS 14
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You are fine at 97%. When it gets to 80% or less, get a new battery. Batteries will degrade as you use them. See here for more information about battery use. https://www.apple.com/batteries/maximizing-performance/