On other vacuum models Shark uses Torx security screws. The Torx/Star screwdriver/bit needs to have a hole in the end to accommodate the pin inside the Tork screw head.

@Yusuf Motiwala the “black tape like thing” is normally called a “flex cable” or “ribbon cable”. Typically a broken ribbon cable needs to be replaced. While repair is technically possible, it requires superb soldering skills and the Airpods miniature flex cables make repair extraordinarily difficult. If the flex cable was detached at the solder joint, a skilled repair tech might be able to re-solder it.

Did the “intense reinforcements” include acetone or another solvent? That might have been a less destructive way to separate the bond.