Yes, sliding a wide bladed flat head screwdriver along with some gentle prizing seemed to do it. I was worried about damage to the plastic and my fingers with a blade as it's quite ridgedly bonded together.
Once you get the back into where the key ring sits it's not too bad plus you do not have to worry about damage to the circuit board at that point.
Pip
Once you get the back into where the key ring sits it's not too bad plus you do not have to worry about damage to the circuit board at that point.
Pip