I have an R4 revolution for DS, I have been to the website listed on the box (www.r4ds.com) and downloaded the firmware, i get a message when it switches on it says couldnt find menu_dat file. I have tried the downloads for every type of R4 card from http://www.linfoxdomain.com/nintendo/ds/and each time I get couldnt find data or just a loading screen. Anything else i should be trying?
Is this the R4 Revolution you have - link The instructions are there on how to put on your card. Just click guide.
Ok that site is for the R4 and R4i, they use the same software. link You do have your microsd card placed in the proper way.