WARNING: WHEN INSTALLING HYPERPIXEL 4.0 ROUND ONTO YOUR PI MAKE SURE NOT TO PRESS DOWN ON THE SCREEN SURFACE! HOLD THE BOARD BY ITS EDGES AND WIGGLE IT TO MATE WITH THE EXTENDED HEADER (OR GPIO HEADER). ALSO TAKE CARE NOT TO PULL ON THE EDGES OF THE GLASS DISPLAY WHEN REMOVING YOUR HYPERPIXEL.