I stumbled across this discussion because i was having trouble getting my Samsung (SGH-T528G) to send pictures to my mac laptop (MacBook Pro) via bluetooth. I was synced up correctly and everything was perfect until i tried to send a test picture from my phone to my computer.
i was receiving "sending failed" message on my phone. i had (what i thought) everything necessary selected/ turned on or off/ filled in everything in system preferences....
turns out in my particular situation i needed to check both boxes 'FILE SHARING' (which i had found out about online already) AND: 'BLUETOOTH SHARING'! when i realized that i had missed something so obvious i was like DUH michael!
but anyways after i checked that box everything works smoothly now... didn't have to down load anything to make it work and i don't even have cell phone service on my phone right now.
all i had to do was go to SETTINGS on my cell phone and TURN ON BLUETOOTH for it to communicate with other bluetooth capable devices in proximity.
then on my laptop go to SYSTEM PREFERENCES and change the appropriate settings in BLUETOOTH (<this has its own icon, universal bluetooth symbol) & SHARING (<this has its own icon as well, on my comp it looks like a crossing guard symbol on a folder) .
it's really cool now that i know how to do this. i've had this old prepay phone for a loooonnng time and the only reason i hang onto it is all the pictures it contains. so now i can send my pics to laptop and save them. the only way i knew how to save pictures to my computer before was when you send them as a message to an e-mail address and open and save them from there.... this is so much better.
sorry for such a long message but i hope this helps!