R4i SDHC fix is out
http://www.r4i-sdhc.com/downloade.asp
firmware update to update the actual cart!
http://www.r4i-sdhc.com/fwup142.rar
english download v1.37b software
http://www.r4i-sdhc.com/R4i%20V1.37b%20English.zip
From 15 May 2011, products labeled “V1.4.1” support NDSI V1.4.2 hardware upgrade, please download V1.37b kernel.
From 02 Mar 2011, products labeled "3DS" full support all version N3DS console (include European version), please download V1.37b kernel.
Instructions
V1.4.2 hardware upgrade?
1. First, reformatting the SD,go to www.r4i-sdhc.com to download the latest kernel 1.37b.
2.Unzip and copy the files(R4iMenu,moonshl2,moonmemo,r4.DAT) to the root of MicroSD card.
3. Go to www.r4i-sdhc.com to download the dsi(1.42) upgrade package of purple r4i-sdhc.
Unzip and copy the files(fwup142.nds ) to the root of MicroSD card.
4. Insert MicroSD card into r4i-sdhc card, insert r4i-sdhc card into nds\dsl\dsi\dsill\dsixl
5.Turn on console and press "A" button to run the upgrade file fwup142.nds. Note:When upgrading the r4i-sdhc card, it is not allowed to turn off power or pull out r4i- sdhc,otherwise it will damage the r4i-sdhc card.