THIS IS FOR R4 ULTRA SDHC only!
First of go to this http://www.youtube.com/watch?v=NHuJ4eINEv0 and look at the DESCRIPTION. next download the R4Uys and extract it. After that Copy everything and put it into ur SD CARD. Dont delete any of your firmware.. just drop the R4Uys in it.
Now look down...