I have got the hot news from 3ds-flashcard blog on 3ds 10.0 firmware. The nintendo 3ds release 10.0.0-27 a few minutes ago. And our common to see r4 3ds cards and sky3ds still work on this new system. But what for ninjhax v2.1, tubehax and ironhax, does anyone try with it?
I find the answers here, if are interested to know, share to you http://sky-3ds.com/blog/sky3ds-region-free-on-3ds-10-0does-sky3ds-support-multi-region-3ds-roms-with-ninjiax-3ds-exploit/.