Got this question aswell. Wanted to flash daddynord cfw but now there is another one in that place shMax? what is the difference? My s/n is N4GSD1930CXXXX. Like to use the checkbox for 33km/h but it says i need N4GSD1111CXXXX s/n. How do i get that? I do not have an es1/2/4 dash.