Render of the upgraded Face ID prototype case.
Via his website FrontPageTech.com, Prosser explained that Apple is testing more advanced Face ID hardware using a case that fits snugly around an iPhone 12. The case allows the iPhone to bypass its built-in Face ID system to use that of the case instead.
Prosser believes that the prototype Face ID array matches the exact layout depicted in CAD files of the iPhone 13 from earlier this year. This is because the prototype Face ID hardware in the case is considerably narrower than that of the iPhone 12, which would line up with the slimmer notch that is expected on the iPhone 13 models.
The external Face ID hardware was apparently needed due to large-scale tests that were being performed to collect as much data as possible. This is said to have allowed Apple…