1 -Makre sure you have access to a DS or DSL
2 -Make sure DSi is on 1.4 already
3 -Download file: ak2ifw_update_14_DSL
Place in "Games" folder of your SD card and put into DS or DSL
4 -Power on DS or DSL and navigate to the "Games" folder to the updater
5 -Run the updater untill its 100% and asks you to restart
6 -Power back on and *should* be all done!