you can update the r4i sdhc kernel to latest version, and use a ds or dsi (below v1.4.3) to upgrade the r4i sdhc card. Then problem can be fixed.
town peter
Nintendo R4 3DS, R4 DSi and R4 DS card.
best resolution of R4i Gold, R4i sdhc, TT 3DS, Acekard 2i, M3i Zero.
best resolution of R4i Gold, R4i sdhc, TT 3DS, Acekard 2i, M3i Zero.