The "M96 Universe" is the polish version : Artatech" :
http://onyx-ereader.pl/pl/produkty or
https://onyx-boox.com. This company have made a specific software for the M92 and other Onyx's devices. I understand that they made the same thing with the M96 Universe.
The "M96 Black" is the standard version. By stantard, you must understand an international version.
You have in this forum a link to pass from the polish software to the standard software, aka "Booxtor's version" :
http://ereader-store.de. The link is :
Move your M96 to Booxtor's firmwares and/or Unbrick and Rooting Method
I don't think that you'll have some troubles with
http://ereader-store.de.