Potential Contrast Control found on the Game Boy Advance

[TMTCC]

Seems like some people have accidentally found a screw that could adjust the contrast on the Game Boy Advance. However, this has not officially been confirmed, so use at your own risk!

Discussion on GBA Contrast Control

 

[Nutcase99]

What I can't figure out is why they left it out in the first place. When I got mine on weds I was lookin for one cause it seemd a tad bit dark.