I have found a comment on versiontracker at the OnSync page: http://www.versiontracker.com/dyn/moreinfo/macosx/18093 "CMOTarr Apr 10, 2003 A generic comment about OS X 10.2.5 - it kills bluetooth connectivity for Nokia phones not explicitly supported. So no more connection with my 6310i. Really sucks." Someone to confirm this.