Q1: Does the screen has the same brightness as original screen?
A1: Yes. The screen display is the same as the original display.
Q2: Does the screen work as well as the original?
A2: Yes. Its touch is just as good as the original.
Q3: Is it easy to install?
A3: According to the video reference it's easy to change, the package contains everything you need.
Q4: Does face id still work?
A4: Yes. It works perfectly.But facial recognition has nothing to do with screens. Please pay attention when you disassemble the camera, please do not wipe, it may damage the iris on the camera and make facial recognition unusable.