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i want to open the back of my samsung gear s3 but i do not know if the back screws are tri-point type or tri-wing type? also, i want to know the type and size of the screwdriver that can turn these screws. please help!!!

Hi! The screw type is a tri-point Y0. You can get the screwdriver in the 64 bit driver kit from the ifixit shop.

i have the samsung gear 3 as well. I tried to remove the 4 screws in the back. 2 came out perfectly and the other 2 are now stripped. Any advise on how to remove the stripped screws?