Hi i got a new flashcard recently because my old one stoped updating the new i got is Ace3ds plus and im wondering why my sav files wont transfer, my old card was r4isdhc 3ds 4.5. Is it possible to get my old sav files back?

1. Look which name the old save files had and then try to change the setting in the Ace3DS+'s menu. (but make a backup first)Hi i got a new flashcard recently because my old one stoped updating the new i got is Ace3ds plus and im wondering why my sav files wont transfer, my old card was r4isdhc 3ds 4.5. Is it possible to get my old sav files back?