Title
Can Apple remove the warning they placed on my phone?
iPhone 11 Pro Max
Question marked as
You should be able to use the phone. From the Related Article above.
An Unknown Part 
message will appear if the display installation is incomplete or if the display:
- Was replaced with a nongenuine display
- Was already used or installed in another iPhone
- Isn't functioning as expected
An additional message might appear that says "Apple has updated the device information for this iPhone." This means that Apple has updated the device information maintained for this iPhone for service needs, safety analysis, and to improve future products.
These messages don't affect your ability to use your iPhone.
Learn more about iPhone parts and service history.
Try a restart.
Restart your iPhone, iPad, or iPod touch *
Try a forced restart. See the section towards the end of the article.
Reset Device. -
