Hold the on/off button for 3 seconds until the screen is black.
Remove batteries by placing thumb on battery plate cover sliding it down to expose batteries.
Turn camera upside down to allow the batteries to fall out.
There are 5 (4.5mm in length) screws on the sides of the camera that need to be removed. Use a Phillips #000 screwdriver to remove all screws.
Remove 2 screws on the right side of the camera, and store them on a magnetic mat.
Remove 2 screws on the bottom of the camera, and store them on a magnetic mat.
Remove 1 screw on the left side of the camera, and store it on a magnetic mat.
Using a prying tool or fingernail, gently separate the back plate from the front plate, exposing the inside of the camera.
Remove the 4.5mm screw with the iFixit ph#00 screwdriver
With your fingers, gently pull the two pieces of the battery case apart. At this point, the battery door should be exposed
With your fingers, gently remove the battery door.
Now you are free to repair or replace the battery door! Follow these steps in reverse order to reassemble the camera.