Unknown part on iPhone 11 means what
How can I know if it was replaced with good battery
iPhone 11, iOS 16
Question marked as
Battery health unknown --> iPhone Battery and Performance - Apple Support (IN)
If iOS is unable to determine the device battery health, you'll see this message:
This iPhone is unable to determine battery health. An Apple Authorized Service Provider can service the battery. More about service options…
This may be due to having an improperly installed battery or an unknown battery part.
