Unscrew the two 7.35mm Torx T6 screws.
Using the flat end of the spudger, carefully pry the black cover on the top from the blue front cover.
Carefully remove the speaker from the back white cover by just pulling it gently. It is glued on.
Unscrew the #00 5.75mm Phillips screws from the bottom of the motherboard. The front blue panel should fall right off.