Are you sure you r4i can upgrade to 1.41?The only support latest 1.4.1 version software: iSmart ds , EZ-Flash Vi , DS TWO, M3i Zero , Acekard 2i , R4i Gold , R4i SDHC , R4i Dsi LL , R4iTT , I player , R4i-GOLD , R4Li , EX4.
source:http://ndsi-game.blogspot.com/