Supercard DSTWO Fix for 3DS Firmware 2.2.0-4J Firmware Fix
DSTWO Firmware v1.13
Fixed for 3DS ver2.2.0-4J, 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