In advance of the upcoming official release of its iOS 15.2 update for iPhones later this month, Apple has now previewed a new and useful feature which will allow iPhone users to check their device's repair history and whether or not genuine Apple parts were used as replacements.
https://www.notebookcheck.net/iOS-15-2-update-shows-whether-or-not-genuine-Apple-parts-were-used-in-iPhone-repairs.583668.0.html