Yeah, I recovered it!!!
Using this approach: How to recover your DM800 SE & 500HD Clone From NO CA ERROR with SunRay-FlashUp and Browser - DM 800 - DM 8000 Tutorials (sat-universe.com)
I just installed the SSL84D bootloader I know work.
The link you provided do not work for me, it says:
Incorrect format for file ./languages/da.txt on line 7.
Format is "variable name[tab]value"
Any idea how to get the files?