ROM Hack old 3ds to new3ds mii plaza help

[keven3477]

I want to know if and how its possible to transfer the save data from my old 3ds to my new 3ds from the mii plaza

 

[keven3477]

anyone

 

[ubergeek77]

I'm trying to do the same as well. I tried simply migrating over the extdata using SaveDataFiler, but I'm switching between two regions too. I renamed everything correctly, but no luck so far - nothing in my plaza changes.