God dammit. I put 'ak2ifw_update_3ds30_DSi143_onDSi_and_DSXL_and3DS.nds' on the root of the Micro SD and put it in my DS Lite. All I got was 'System Files Missing'.
Do I need to use the other file, since I'm doing it on a DS Lite, even though I'll mainly be using it on a 3DS?