The newest firmware doesn´t work on R4

Ysmenu is a separate issue, It depence if it works on you R4SDHC some do and some down'tIt is just a folder called TTMenu and the file ysmenu.ndsAll you have to do is to boot ysmenu.nds when sean on screen and saveMore guild with this videohttp://www.youtube.com/watch?v=LW9E09uanZs

You can download 1.55 now, it cam out on 20th of october, 11 days ago.