Stick with TU4 and convert your DLC files from LIVE to CON using C3CON tools, although you can’t play online with your DLC if you do this.
Another option is to license transfer your account’s purchases to your current Xbox and re-download the DLC, then you can play it both offline and online
This was super helpful, btw. Curious if anyone has run into this issue while converting DLC to Con files. My RBN songs only show up as demos. They are in the same file path as they were extracted from the xbox and I used C3 tool to convert from live to CON. Really scratching my head on this one.
Edit: Looks like I missed the Folder with the RBN songs, converted once more and working, disregard!
