These are reall Chinese piece of crap.
they don't come off. Clearly you either don't have Depo headlights or never replaced the bulbs.
I figured out how to take off low beam, just unscrew those 3 screws, but high beam is really stuck. I even got rid of the silicone and can't take it out. something is holding it against the glass.
I feel like its a toy, they just sell it to you, you are happy for a moment and than.....just toss them to trash or pass them on.