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 its easy to change, the package contains everything you need.
Q4: Does face id still work?
A4: Yes. It works perfectly.