When you register your device on sprint and set up a BIS account (email push) you get your service books browser etc... the books are sent from the carrier and they can help you since the geek squad at best buy cannot...
ur service books are under mobile network go to setting mobile network hit the black berry menu and then hit start provisioning. all u need is to have boost put the phone on ur acct then u can do the service book ur self and bamm u got a new black berry