You're running DM version 4.7, that is correct. That will update your Desktop Manager client. Not the device OS.
To update the device OS, you would need to download and install the OS to your PC, Launch DM and select App Loader.
You can send the service books from your BIS account, register the host routing table, or you could call your carrier and have then resend them to you.
These links may be helpful: How do I upgrade the OS on my BlackBerry? - BlackBerryFAQ How do I resend my service books? - BlackBerryFAQ