Nintendo updated 3DS System to 3.0.0-6 on 21.Dec,2011. r4i-Sdhc.com confirmed R4i SDHC 3DS still running on V3.0.0-6 perfectly .
Note: To those who upgrad the 3ds cart to cause White Screen error, Please apply hotfix to repair. Refer to the tutorial: R4i SDHC 3DS fix white Screen erro [2011-12-12]
This post first appeared on R4i SDHC Cards Blog | Specially For R4i SDHC 3DS,R, please read the originial post: here