Downgraded New 3DS XL to 9.2, a bit confused with some steps.

I'm currently using this video's tutorial:


I'm going to install RXTools instead of Reinand since RXTools 3.0 released, but the files from that video are a bit different from RXtools.

1. "If you set up a fresh microSD, you need to rebuild the database now. Go to System Settings, Data Management, Nintendo 3DS, Software. It will show a warning that the database files are corrupt and need to be rebuilt. Do this and exit System...

Downgraded New 3DS XL to 9.2, a bit confused with some steps.