I've tryed to do my downgrade to 9.2 from my new 3DS. It was on 10.7 USA before the update.
The safe mode and the no sd does not work with me.
I've followed this link, but I'm not sure that I've done all of it: https://gbatemp.net/threads/noob-friendly-guide-to-downgrading-your-3ds-from-fw-10-7.418125/
Also this link is the other part that I've followed: https://github.com/Plailect/Guide/wiki/Homebrew-Launcher-(No-Browser) .
The safe mode and the no sd does not work with me.
I've followed this link, but I'm not sure that I've done all of it: https://gbatemp.net/threads/noob-friendly-guide-to-downgrading-your-3ds-from-fw-10-7.418125/
Also this link is the other part that I've followed: https://github.com/Plailect/Guide/wiki/Homebrew-Launcher-(No-Browser) .