Supercard Team released DStwo Firmware V1.13 to fixed for 3DS V2.2.0-4J, Now you can feel free to enjoy Mario 3DS orignal cart on your 3DS.
Important: Please make sure the power is enough! And don't do anything unnecessary!
How to use:
copy the dstwoupdate.dat file to the root of microsd card, then upgrade it.We suggest you to upgrade it on a DS console or never upgraded console.
Suppercard DStwo Firmware V1.13