In this case, the iPhone cannot determine the battery health status because the data usage permission is not enabled for system Settings.
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1. Unlock the iPhone under [Home screen page] and find [Settings] in the application to open it.
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2. After entering the option list of [Settings], click [Cellular Mobile Network] to continue the next step.
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3. In the authorization list of [Cellular Mobile Network], find [Settings] and enable authorization. (Failure to authorize will cause some system services to be unavailable, such as the inability to determine battery health)
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4. After enabling the set data usage rights, return to the \"Settings\" option list and click \"Battery\" to open it.
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5. After entering the management setting page of [Battery], click the option of [Battery Health].
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6. Go to the \"Battery Health\" page, and after the data setting permission is successfully enabled, you can successfully view the battery health status of the iPhone.
If the iPhone cannot be confirmed as a health condition of the battery, the battery cannot be charged, which is generally caused by serious damage to the battery or an error caused by the use of a third-party battery, you can go to the regular Apple after-sales department for battery replacement or maintenance testing
This is due to the incorrect installation of the battery when replacing it or the battery installed is not an official battery, so the battery health status of the iPhone cannot be determined. It is recommended to go to the regular Apple after-sales service or Apple authorized service provider to repair the battery