I've been testing an app out for someone (he's trying to add pro controller support), and the latest version he sent me had the version at 6.1 while the latest release was 6.0. I knew about the versions.bin having the latest version installed. I was a bit hesitant, because there's no telling what happens if you screw up the file. I found the title id in the tik from the previous version, looked that up in hex in the versions.bin, then changed 06 10 to 06 00, and it worked! before, it would say an update is required to play this title (i.e. if I was trying to install and run the older version), but I changed it to version 6.0. it was pretty easy to do, but there's somewhat limited information on the process.