Hi , I have this clone :
http://imgur.com/a/wa1Zk
(it's look like this model : http://www.westingames.com/R4i-SDHC-M3-RTS-Revolution-V1-4-4-for-3DS-Dsi-XL-LL-Dsi-DSL-DS-WFDS043_1768.html)
I tried a lot of different files from this site :
http://www.linfoxdomain.com/nintendo/ds/
but result...