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battery health dropped from 100 to service in one day

i bought an iphone x with 100 percent battery health and after few weeks of use it was 100% and all of a sudden it went to service so please help tell me the fix to that

iPhone X, iOS 14

Posted on Jun 12, 2021 12:48 PM

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2 replies

Jun 12, 2021 1:27 PM in response to aka_tob

iPhone X was released 4 years ago now. A 100% Battery Health reading on what I imagine was a used device was likely a calibration error.


Schedule an appointment at your Apple Store Genius Bar for evaluation and options would be what you need to. A new battery will cost you $69. Do NOT get the battery replaced by a 3rd party. It will not be authentic and Battery Health will not work with an aftermarket battery.

battery health dropped from 100 to service in one day

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