R4 R4i Flash Card RTS LITE Game Cartridge Adapter for NDS NDSL 3DS 3DSLL NDSI LL NDSI 2DS NEW2DSLL NEW3DS NEW3DSLL It can work on NDS NDSL 3DS 3DSLL NDSI LL NDSI 2DS NEW2DSLL NEW3DS NEW3DSLL consoles; only nds roms, can not 3ds roms Instructions: 1.prepare one micro sd card which capacity does not exceed 32GB(Recommend Class 4-10 speed 8-32GB), FAT32 format; 2.download R4 kernel from official website: r4isdhc.com/2014-r4isdhc-gold-pro/ and extract the inside 4 files of kernel to the micro sd card root directory, copy games to micro sd card root directory, plug and play. Note: 1.Make sure you have download the correct kernel and extract the kernel files correctly. (Don't put the 4 kernel files in another new folder, just put them in the micro sd card root directory) 2.Make sure your Micro sd card is FAT32 format,capacity does not exceed 32GB(Recommend Class 4-10 speed 8-32GB);Name your micro sd card by English, don't use other languages 3.This R4i card only work with nds rom games, can not work with 3ds rom games