Once the rear headband is removed, both rear LED tracker boards can be identified as the white components labelled 'L' and 'R' on the rear of the band.

Remove the single 5 mm screw from each of the LED tracker boards using a Phillips #00 screwdriver.

Gently pull up and slide each tracker board outward, away from the center of the band, in order to free it from the rear headband shell.