Posted on German AV forum
www.hifi-forum.de. Credits go to the original poster Dierterle.
Download link can be found in this thread:
DVD-2910 6720-8 Codefree.
Rename file to zip (i.e. remove .jpg extension), unpack, burn.
Already tried that new MR firmware. It works flawlessly on my 2910.
Cheers,
Digitalsurfer