1.NDS/NDSL/Compatible NDSi(XL)/Compatible 3DS(XL)
2.R4i V1.4 (Some are Upgradable) R4i V1.4.1 (Some are Upgradable) R4i V1.4.2/R4i V1.4.3/R4i V1.4.4/R4i 3DS from r4i-sdhc.com.
3a.Latest Romachine Kernel with a patch.
3b.Latest Official Kernel with a Romachine Patch.
Open the 3rd option, which is "Config" or "Slot 2".
Select "Start", The update process will take about 5 minutes. It is reccomended to charge your DS/DSi/DSiXL/3DS.If your DS/DSi/DSiXL/3DS is turned off/reset/shut down bcs of no battery, then your card will be damaged.