Hello, I seem to have the same problem. I just bought a class 4, 16gb Kingston SDHC. I loaded it with hombrew and it worked fine. Then I did a backup of the nand, using the Bootmii, and it was successful. Then I entered the hombrew channel and launched ftpii, and it failed mounting the SDHC. Otherwise, it worked. I thought there was a problem with ftpii, I reinstalled it, but it kept malfunctiby Bugalo - Homebrew General