It look like my Sidekick 3 needs some crutches because T Mobile crippled this damn thing. I can't send or recieve files via bluetooth, and it doesn't sync with iSync. It won't let me use my mp3's as ringtones, I have to purchase them from T Mobile. I pretty much hate everything about the phone, from the cheap plastic quality(made by Sharp), size, dropped calls, low resolution screen, inconsistant online service, USB 1.1, camera is crap, lack of third party apps. The only thing I do like is the instant messenger services, and the fact that I have 14 days to return it.