Slide the battery compartment open.

Pull out the battery.

Remove the sticker and place it on a clean sticker-friendly surface.

Screw out the 9-mm screws using the J0 Bit.

Screw out the 4-mm screws holding the PCB in place. Use the J000 bit.

Now take out all the parts from the housing.

Remove the right/bottom 6mm screws.

Then the last 2 and the tightener screws. So you can pull it apart.