You will need to remove both side panels to access the front panel tabs on the inside of the case. Push the tabs to the side; you can safely remove the front panel.
The item in the middle controls the LEDS and Fan controller on the Phantom 820 unit. You are going to want is to remove these 4 screws and all the cables attached board.
Install the new LED Controller in the reverse order. If you run into any snags, do not hesitate to contact our support via ticket, phone, or live chat.