1. Refer to section 3.2 to remove the electronics cover.
2. Unscrew 2 screws to take out the housing cover.
3. Install the housing. Make cables go through the slot first, then connect to the main board.
4. Push the housing in the slot and fasten 2 screws.
5. Insert the wifi module and fasten 2 screws as shown.
6. Remove the parts in reverse procedures.