As many of you may have already known, the BlackBerry Bold 9650 is a world phone, meaning that it has both CDMA and GSM network capability allowing it to run on other carriers around the world.  What you may not have known is that the Sprint BlackBerry Bold 9650 comes factory unlocked which means that all you have to do is pop a SIM card into the device and it will run on any GSM carrier, even those here in the United States, like T-Mobile and AT&T.