sis problem with 7250

[nokia7250_rulez]

okthis is my problem
I have some .sis files and I want to no how it is possible to get these files onto my seires 40(nokia 7250) fone

is there anyway,
I need your help

thanks

[gaz_samp]

.sis files are used on seires 60 mobiles, they arnt just one file.
.sis files are like installation files for things you put on your computer. lots of different files are put in different folders on the phone, series 40 phones arnt that complicated as far as i know.