Full working condition, Fully tested. There is no cosmetic imperfection at all. Screen in excellent like a brand new. Grade B : Full working condition. Light cosmetic imperfection such as light scratch what barely visible.
Cosmetic imperfection which means denser scratch but it doesn't have any effect for the usability. Grade D: Full working condition. LCD is perfect but the touch surfece has heavy cosmetic imperfection.It has a few deeper scratches.