If you're technically minded enough, download Audacity then search for the theme on Youtube. If it's there, play with Audacity recording it. You'll then have a .wav copy which can be played on most phones.
download this: http://youtubedownload.altervista.org/ go on youtube find the theme tune load the url into this program of the youtube video it will download the video and then you get an option of converting to movie file or mp3
