Neff H7871A2GB 800 Watts Convection / Microwave Oven "oven door hinge snapped shut" Questions

...oven door. I asked Neff UK how to split the door so that I could clean up the glass inside. They said to book a service call. I need to remove the door from the oven casing so that I can dismantle it ...

...hinge. Remember, someone had to assemble the door so there has to be some way to disassemble it. I have never seen one that can not be opened (glued, cemented or welded closed) Remember, most doors ...