We start by removing the back cover. For this we can use an opening tool or directly with the hands.

We remove the fifteen Phillips screws (PH # 00) that hold the intermediate housing and then unlock it by prying it with an opening tool.

Now, disconnect the components connected to the motherboard and remove the Phillips screw (PH # 00) that holds it to remove it.

The only thing left is to unhinge the headset from the chassis.