The newest kernel version of R4i & R4 Ultra is 1.54 , released in Apr.18 2009. R4i and R4 Ultra use the same kernel, supports multi-language. Please select the language that you want, and download it. More language kernel will be released soon. If you have not known how to use R4 Ultra and the kernel package, please chick here to get the guide.

Lastet Kernel Version：1.54 , release date: Apr.18 2009

1. English: Download   RayFile

2. French: Download   RayFile

3. Korean: Download   RayFile

4. Spanish: Download   RayFile

5. Japanese: Download   RayFile

6. S.Chinese: Download   RayFile

7. T.Chinese: Download   RayFile

Notice: Support R4i new card, Support DSi(only R4i)

Support European Language DSi System. Only for R4i, don't support R4Ultra. Run "ultrai_update.nds" on English System to reflash the chip of R4i, and don't power off when flashing.   Download