Will FaceID on iPhones work if a third party tries to repair or replace the parts with non-genuine parts or any of the FaceID parts get damaged?

[NoFunForMyLife]

Will FaceID on iPhones work if a third party tries to repair or replace the parts with non-genuine parts or any of the FaceID parts get damaged, or tampered with, Is safe to buy a refurbished iPhone since the FaceID parts could be non-genuine and not safe for your eyes?

 

[scifan57]

FaceID will not work if third party parts are used to repair it. The safest refurbished iPhones to buy are the ones sold by Apple, which come with a full warranty and are eligible for AppleCare+ protection.