So after having bend back the 3 metal latches (No. 5s) and having made sure that the 4 No. 8 latches are free, the two halves are still stuck together, because there is kind of a strong bond at point No. 9. To overcome/loosen this, I pried in with a flathead screwdriver at the gap No. 10, using the screwdriver as lever between the plastic housing from the inside and the metal part underneath... And to get those two stubborn parts back together at reassembly, I used a pair of plumbers pliers to p