+ Updated
I found what the real problem is.
DSWare of my New 3DS is not work. (example DS Internet Settings, and so on)
So I will try to follow these two posts:
https://gbatemp.net/threads/my-ds-mode-is-still-bricked.529108/...
Hello.
I have a New 3DS CFW.
FBI works great, and installed CIAs great too.
I try to play DS game by TWiLight Menu++, so I installed it.
when I started TWiLight Menu++, 3DS turned black screen but TWiLight was not work.
so I pressed Home button, and a few seconds later, 3DS returned to home...
leo @'d me in a thread about his last dream, stating he was passionately making out with a guy he used to know and then woke up while reaching for his crotch, and said that i would "know who 'tf' it is"
and of course i know, it's luke