Remove the five 2.3 mm screws with the TR8 Torx Security screwdriver.

Four of the screws are located at the bottom tip of each grip and at the top of each grip, near the triggers of the controller.

The last screw is located in the center of the battery tray beneath a sticker.

Use a TR8 Torx Security Screwdriver to puncture the sticker and remove the final screw.