@yahyaa84679 you could try something like the screw extractor set Precision Screw Extractor Set If that does not work and if you have a small rotary tool (Dremel) (or know someone that has one), you could drill the screw heads off and once you split the case, use a pair of pliers to remove the leftover part of the screws.
No matter what, it will be a PITA since there is never enough room and the plastic just seems to have a viselike grip on the screws, Just keep on trying and no, rubber band between teh screwdriver and the screwheads as well as crazy glue will most likely not work in situations like this.
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It could be very difficult to remove the screws without damaging the case, sometimes it's possible to use tweezers and/or picks to remove the screws though.
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