[Tutorial] How to install all .csu-available SDK Tools onto your 3DS (w/ pictures)

When I got my hands on the 3DS SDK tools, I thought I could just simply install the pre-built CIAs onto my 2DS with no hassle. Turns out I was wrong! The CIAs were apparently for the Dev Kits, and therefore, would not install. That's when I turned my attention to the .CSU files in the same directories as the CIAs. Nearly every Devkit tool has its own CSU file.

You will need:

• A 2DS/O3DS/N3DS on 9.2 or under with Emunand or RxTools' DevMode
  
• The 3DS SDK Devkit Tools (find 'em...

[Tutorial] How to install all .csu-available SDK Tools onto your 3DS (w/ pictures)