Remove the screw labelled in red (to the top right of the device, the other is incorrectly labeled in the image). These are holding down the main circuit board.
Almost there, if you've come this far, I commend you on your effort! Again, carefully pry open the cable lock and remove the WiFi component.
Remove the circuit board, this might be the most important step. Sit back and gaze at the chips for at least 5-8 minutes. NOTE: You can come back to this step at any point.