It depends what problem you are having. If you don't have a CD for it then you have to download a kernel from
http://r4ds.cn/download/r4_v1.18_kernel.HTML
you reformat it
Try restarting it!
it will but it will keep freezing you will have to wait for a patch to come out to fix that
To fix The Legend of Zelda: Spirit Tracks on an R4 cartridge, ensure you're using the latest firmware compatible with your R4 version. Download the most recent game patch or update specifically designed for Spirit Tracks, as it may resolve freezing or crashing issues. Additionally, check that the ROM file is clean and not corrupted; using a reputable source for the ROM can help avoid problems. Finally, try adjusting the settings in the R4 menu, such as enabling or disabling cheats or changing the save type.
yes there is a way to fix it easy i discovered it ok to fix all the saves you need to add on the end of the NDS file .nds and for the save file .nds.nds and the saves will work
not for the original r4 but if you have the r4 ultra or r4 sdhc or some other r4s then yes
to fix the everlasting loading screen on the R4 DS, get an earlier version of the software. I found a file called English-1.12 which when loaded fixes the loading problem.
R4.com
r4
No, but there is an alternate version of it called WAIO (Wood All-in-One) which works with a good number of R4 clones. No, R4-III can't run wood r4 kernel. Woo r4 is an unofficial kernel for r4 ds and r4 3ds card, it can be used in following flashcards: 1. R4 DS card from r4ds.com. (now, official website is r4ds.me) 2. R4idsn 3DS card from r4idsn.com. 3. R4i Gold 3DS and R4i Gold V1.4.1 card from r4ids.cn. Yes,R4 III don't work with wood R4 kernel Wood R4 kernel compatible with R4 DS card,R4 gold 3DS,R4IDSN.
R4.com "downlods" "kennels"
These are the main disadvantages to the R4: * There will be no more updates; The official R4 team disappeared. * As a result, the R4 isn't being produced much, supply is running out. * The R4 does not support SDHC MicroSD cards (it supports up to 2GB)