[Guide] How to install GBA cias (using reiNAND)

I saw that someone posted a guide with some wrong information telling people to install the GBA games to the NAND (THIS IS WRONG)

This little guide is assuming you already have FBI on your home menu for both your syNAND and emuNAND
Here guys:

Step 1. Download the specified patched AGB file for your 3ds model (you could also download a GBA cia to test install so you dont have to put your SD card back in your computer after this is complete)

Step 2. Put the patched AGB file on your SD card...

[Guide] How to install GBA cias (using reiNAND)