Display unknown part of my phone

This Apple Article may help you --> iPhone parts and service history - Apple Support

Unruly1199 Said:

"Display unknown part of my phone"

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Verify if this is a Genuine Device:

If purchased frpm Apple or not, perhaps you were sold an ungenuine iPhone? So, try the following, reporting back what comes up...

Verifying a Genuine Device:

1. Get the Serial Number: Find the Serial Number of your AirPods - Apple Support
2. Enter the Serial Number here: Check Your Service and Support Coverage - Apple Support
3. View the Results: If all shows up as an iPhone, then you are fine. If not, then it is ungenuine, and that is likely why you are getting this issue.