iPhone 12 display message

Assuming you mean Galloway, rather than Gannaway, there is no actual retail Apple Store there. There are several third party service centers, which may have replaced the screen for a non genuine one which caused that error to appear.

You would need to take it back to the store where you had the screen replaced, and complain to them.

For a list of actual retail Apple Stores, click here ➜ Store List - Apple Store - Apple

Do you have a specific question?

The message is pretty clear about what the issue is.

Did you recently have your display replaced?

You can tap on the "Learn More" blue link in the message to do just that.

chintal288 wrote: "recently America, Apple Store 08205 Gannaway Atlantic City"

chintal ~ As it wasn't an Apple Store, verify the repair provider here:

Repair Provider Verification - Official Apple Support

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That address does not exist.