To help people out, I’ve drawn the approximate size and location of the plastic retainer clips holding the liveview together in red on this image. I used a swiss army knife to lever it open blindly 🙂
The prongs of the clips are on the side with the display, locking into the plastic base on the other side (where the circuitry/battery is held by screws).
Incidentally, the red marked bits are “gaps” in the prongs where the retaining clips on the other piece of plastic lock into. its sort of hard to explain!
Please don’t blame me if you break it/short the battery/whatever when opening it though!