Reboot your 3DS by pressing start and open FBI. Turn on your 3DS while holding select to access the Luma configuration menu. If you are running Luma 7.1, AuReiNAND, or any other CFW, update boot9strap here. If you are running Luma 7.0.5 or below, update to boot9strap here.
(Note that this guide assumes you have followed these instructions and have Luma3DS and FBI installed). *Info on Luma installation from normal consoles can be found here. A Nintendo 3DS family console running Luma 8.0 or higher. OSM - Instructions The Open-Source Smash 4 Mod for 3DS and Wii U! Home Releases Changelog Devblog Contact Us Contribute on Github! OSM Installation Instructions 3DS Instructions Prerequisites: