In my opinion, this is the worst & most difficult part. You need to remove the entire top cover of the drone. This process is very similar to removing the front piece before. Just insert a small object, preferably a plastic pry tool and try to pop it off.

I recommend starting at the front of the drone and working your way along the red line shown. Once you reach the back, go back to the front and work your way down the opposite side of the drone.

NOTE: Just like before, it is incredibly easy to damage the plastic in this process. Be careful, be patient, take your time. It should have a little bit of resistance, but if you find yourself pushing/pulling as hard as you can; then you're doing something wrong.