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The newest kernel version of R4i & R4 Ultra is v1.56 (R4i Ultra Support DSi V1.4.1,DSi V1.4,DSi XL,DS, DS Lite) , released in Sep.25 2010. 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.

R4i fw update for 3DS 2.1
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AKAIO 1.86a for R4i
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R4i fw update for 3DS
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AKAIO 1.81 for R4i
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R4i update fw for DS 1.41
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Lastet Kernel Version：1.56 , release date: Sep.20 2010

1. R4 R4I Ultra V1.56 English

2. R4 R4I Ultra V1.56 French

3. R4 R4I Ultra V1.56 Korean

4. R4 R4I Ultra V1.56 Spanish

5. R4 R4I Ultra V1.56 Japanese

6. R4 R4I Ultra V1.56 S.Chinese

7. R4 R4I Ultra V1.56 T.Chinese

Notice: R4 Ultra Support DS / DS lite only,R4i Ultra Support DSi V1.4.1 / DSi V1.4,DSi XL

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