Why my replacement iPhone battery didn't show correct health?

James C. Pearson 09/12/2019

My previous battery health only shows 88%, so I bought a new battery online. But after I replace a new one it still show 88%. That's so weird, please could u do me a favor?
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Answers
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Elaine J. Stewart

09/19/2019

Please check if your phone system is iOS13beta6 or iOS 13beta7 , please upgrade it to the latest system iOS13beta8 ,and then replace the battery.
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