Stumbled across this app. Just put this on my nokia. Quite nifty, send a text and it'll return a google maps gps location.. it even pointed to my front door in street view. You can also lock the phone or wipe it remotely. Covers various phones (S60/Android etc.) Essentially uses the phones GPS function for location. I've insufficient post count to post images etc. so just google F secure anti theft and it'll be listed.