R4: http://www.r4i-sdhc.com/downloade.asp
R4i: http://www.r4i-sdhc.com/downloade.asp
R4i 3DS: http://www.r4i-sdhc.com/downloade.asp
R4i Gold: http://www.r4ids.cn/r4i-download-e.html
R4 Ultra: http://www.r4ultra.com/download.htm
Acekard 2i: http://www.acekard.com/download.php
Supercard ds onei: http://eng.supercard.sc/manual/dsone/evolution/download.htm
Supercard ds two: http://eng.supercard.sc/manual/dstwo/download.htm
R4i SDHC