you need to install the device software version 4.5 on your pearl 8100, i recommend you the latest available
http://www.blackberryforums.com/gene...ast-asian.html
I guess the V. 4.7.0.32 you are running is for your blackberry desktop software not your phone.
I have a 8100 running OS 4.5.0.124 and a2dp works great, but no video support just music.