both, i dont know where to find any of the files to upgrade either
im also pretty sure this is a clone? i have no idea this was the only 3ds supported one i could find that i could use paypal to pay for
and heres where i bought it from http://www.snipeadeal.com/uk/flash-cards/r4/r4i-gold-edition-sdhc-for-ds-lite-dsi-2gb-micro-sd-memory-card.html