First flip controller so that the back plate faces you

Remove the battery cover by pushing up on the bottom plate

Remove both batteries if their are any inside the remote .

To remove them press down on the positive end then pull to take out

Using the tri-point Y1 Screw driver remove the two center screws by turning counter clock wise

Repeat process for bottom two

To fully take off the back piece you will have to use your flat head screw driver and gently go along the edge and unclip it.

Gently pull out the whole circuit board ( be careful you may break or rip a wire if you pull to hard )

To remove the buttons you will simply have to take off the grey silicon cover.

To remove the small speaker you can simply pull up .

Gently pry the buttons upwards ,removing the buttons from its holding slot.

CAUTION : WATCH OUT FOR SMALL BUTTONS !