- device unlocked
- wp7 root tools
Open wp7root tools and go in this key:
Change dword value DisableA2DPPLayback from 1 to 0
Now your device send audio of video like youtube, internet,or stored in memory in a2dp device if connected via bluetooth
Tested on my Samsung Omnia 7 with Vodafone Bluetooth stereo earphone and with my Sony A2DP BT car stereo in my car.