The body of the JetHome JetHub H1 controller consists of two parts: the lower part, in which the printed circuit board is fixed, and the cover. The parts of the case are fastened together using 8 latches inside the case. The lower part of the housing (view from the inside, the arrows indicate the location of the latches):

Housing cover (inside view):

To open the case, you can use a thin flat screwdriver or a special spatula. It is better to start opening the case from the latch located in the corner of the case:

Next, go to the latch on the edge of the case:

And so on, sequentially open all the latches around the perimeter of the case.