I use USB loader GX. I tried both flash memory and hard drive Fat32. And as i write. New Super Mario Boss do function.
1668784524
Here is the syscheck. Thank for helping!
SysCheck HDE v2.4.0 HacksDen Edition by JoostinOnline, Double_A, R2-D2199, and Nano
...runs on IOS58 (rev 6176)...