Hello, Noob here, and my problem is I just updated my n3DSXL from a9lh to b9s with this guide https://3ds.guide/a9lh-to-b9s.html
And problem is after I've complete all the steps, when I tried to use LumaUpdater to update my n3dsxl currently at Luma 7.1 to 8.0. Whatever I do (download Luma 8.0...