After pairing, before receiving a file, you have to active the Receive Using Bluetooth menu
For example, your Blackberry will receive an audio files (MP3).
Open the Media from the main screen.
click on image to enlarge
Press the Menu (BB logo)
Select Receive Using Bluetooth
Now Blackberry is ready to receive a file
See also :
• How to open and unhide the hidden file/picture in Blackberry
• How to Hide Photo or Picture in Blackberry device
• 'Ghost' Picture Using your Blackberry Camera
• How To know The Version of Blackberry OS