This Unknown Part message can appear if your iPhone part is non-genuine or not functioning as expected. Since you mentioned that you’ve never had your iPhone serviced, it seems there might be an issue with your device.
According to Apple, an Unknown message can appear for several reasons, including when the replacement part:
- Is non-genuine
- Isn't functioning as expected
- Hasn't been verified and linked to your iPhone after the repair was completed
- Has been modified or is otherwise unable to be verified
You should take your iPhone to your nearest Apple Store or Apple Authorized Service Provider to have it serviced. ⚛️
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