the readme file says Acekard 2(i) folder:- Acekard 2, 2.1, 2i- EDGEi (not the original EDGE or the original iEDGE)- R4 Ultra, R4i Ultra- R4iTT 3DS NEW, RTS- R4i3D NEW, 2012 or later- r4isdhc.com NEW, 2013- r4isdhc.com Dual-Core (no year number)- r4isdhc.hk carts before 2019- translucent r4igold.cc 3DS carts- r4i-gold.me carts 2013 or later- r4infinity.com Dual-Core- r4ids.cn R4i Gold 3DS Plus with faulty DS mode