R4i/R4 Ultra, R4 Revolution For DS DSL DSi - R4i/R4 Ultra Official Website

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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The newest kernel version of R4i&R4 Ultra is 1.56 , released in 09 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.

Kernel Version：	1.56	S.Chinese	Download
release date：	2010-09-25	T.Chinese	Download
		Japanese	Download
	·Support new game	English	Download
		Korean	Download
		French	Download
		Spanish	Download
Firmware Version	2009-05-08
	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