Multi-Zone upgrade/unlock Disc *where to download*

I have been reading, that there is a disc that can unlock various regions on early Panasonic DVD players.

The model I own is Panasonic a-160 (R4 Pal) I also read it only unlocks NTSC regions, that I don’t care. Looking for a server to d/l this image. This player plays DVD-Rs so it shouldn’t be a problem. :cop:

Thx for the suggestions, and I hope you have a nice day.