Unless they find another exploit in the web browser, you won't be able to use it unless you buy another 3DS. (at least that's what I think, I've never used it either...)
As it stands right now, there is currently no way for the hacks to work on the updated 3DS. I've browsed things regarding the RAM editor and LeafTools and the creators themselves also don't know how to get around the update. Unless a new exploit is found, then no