Once you remove the housing, the phone will look like the photo below.
There's no need to remove the keypad buttons for screen removal, but I did anyhow to clean the dust and gunk that had accumulated around the buttons. The keypad is removed by gently prying the keypad from the directional button (pry from underneath the rubber keypad).
Step 5: Remove Screen
Gently pry the screen away from the phone's innards with your fingers or small standard