Homebrew guitar hero 3 and just dance 2014/15 wont work on usbloadergx?

[GotchaMika]

hi i have the guitar for guitar hero but lost my game i tried changing the ios to 222 but it wont work? im not that great when it comes to homebrew and whats needed
can someone help me install guitar hero 3 and just dance? thanks!

 

[GreyWolf]

Use a cIOS based on IOS57.