Reorient the camera so it is upright and you are looking at the back screen.
Remove the rubber covers in the upper and lower right side corners. Insert spudger in between the camera case and the rubber cover and push them out of their sockets. Grab the rubbers with the tweezers and set them aside. Remove both of the 4.3 mm silver screws revealed.
Remove the 4.3 mm silver screw in the lower left corner which resides under the sliding battery cover.