I wanted to use a R4 card for running DS games on 3DS, and I found this: http://gbatemp.net/index.php?threads/416434/ . I tried every single one, and only the R4i Gold one worked, but I have another problem, when I insert the r4 card in my 3ds (luma3ds 11.0) while its on, the sounds cuts off and then it stops working. When I restart the console, sometomes boots and works, sometimes there's not even backlight. Does anyone know a fix? This is how my R4 card looks like: Sent from my Stone Age Phone using Talk-a-stone.