SamyGO

Unfortunately there is no way to support them because of lacking Ethernet/Telnet and ExLink way blocked at last version.
Nothing to do easyly. Only way that comes my mind is JTAG flashing which I don't know any experience on it...

Nop, don't believe everything on internet.

It's only changing panel type to B7000 via Service Menu, that enable playing movies on your TV BUT there is a risk of bricking your TV specially if it's CI+ model.
So I don't advice that.