Battery health decrease after IOS 17 update
Installed IOS 17 on its release after that battery health has gone from 98% to 94% in 3 weeks and my phone is iPhone 14 plus( bought it on 5th April 2023)
iPhone 14 Plus, iOS 17
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The measure of battery health deterioration/drainage is subjective and can vary depending on individual usage patterns and not iOS version updates. There is no universal standard to determine whether the battery health deterioration/drainage is normal or abnormal because it heavily relies on how the battery is used and maintained.
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