You don't need to do it since it's only for o3ds/2ds.tx you for helping even if i'm a noob Golden
i finally did my hack with armloaderhax with this guide https://plailect.github.io/Guide/
but at the end i realized i did a mistake
i missed this step thinking it didn't concern me because i have a nex 3ds xl :
on this page : https://plailect.github.io/Guide/installing-arm9loaderhax
how bad is it ? can i repair my mistake? is this why decrypt9wip dont want to launch on the homebrew launcher ?
Well Plailect himself even removed menuhax from his guide so I'm guessing it's safe to use broswerhax. I used it and I successfully downgraded.Actually, you shouldn't downgrade with browserhax, and it'll probably fail anyway.