are you asking how do you move the files from one sd to the other??
can't you just copy and paste them from one to the other??
like put them both in your computer, one on an adapter, and the other on the phone and just simply copy/paste
it seems really simple, but if ur thinking about some kind of software, then i have no idea what ur talkin about coz wen i changed sd cards, i just put everything on my old one on a folder on my computer, then inserted my new sd card in my phone and transferred my files from the folder on computer to the sd card. simple as. no software needed. just changed usb connection type to disk drive =]