Remove the following 12 Phillips screws from the logic board:

Six 4 mm around the edges of the logic board.

Two 5 mm securing the right speaker to the logic board (move the speaker off of the logic board).

Three 6 mm with wavy washers in the upper, left corner of the logic board.

One 4 mm underneath a black bumper in the back right corner of the logic board.

One 4 mm screw may not be present on some logic boards.