[stkdump]

> Assuming that chip is where the important Face ID stuff happens, this ensures the important component hasn’t been tampered with and would thwart the NSA hardware intercept attacks op mentioned. Can anyone confirm this chip is also where the Face ID profiles are stored/enforced?

It can't be, otherwise Apples techs would not be able to replace it either. Even if it was, there wouldn't even be a reason to put it on the screen's ribbon cable. It could be integrated into the Apple-designed CPU, making the parts cheaper and more modular (i.e. easier to repair, even for Apple)

[pas]

Or repairing this locks the phone and needs a backup login.