Anyone wanting to try this with maximum safety, you could use a different SD card. Format to FAT32 (if it isnt already) copy data from the 3DS original card to the new card and give it a whirl. If thinks look good you could always go in reverse if the SD card you used is needed elsewhere.
*Altough at three days since being released do you really have much to lose?
*Altough at three days since being released do you really have much to lose?