I thought because Sprint did not provide software to tether my blackberry to my mac, I would not be able to use it as a modem. Well, it's not exactly real easy like most things on the mac, but not terribly difficult either. What follows is instructions on how to make this happen w/ a Sprint Blackberry 8830. [ Update: These steps work for Leopard and Snow Leopard ] [Before you begin, make sure you're Sprint account is enabled for data tethering, there is usually an extra charge for this service] What follows are some instructions to get this to work in Leopard (OSX 10.5.x): Click the Apple icon and select preferences. Next, click the bluetooth icon. Now click the plus (+) button. A setup wizard should start. Follow the wizard's instructions to pair your phone. Make sure your blackberry is in discovery mode so the mac can see it when it searches for it Once you've paired your blackberry, you should see it in your bluetooth preferences like picture below. Highlight your bl...