hi ...
i have sony headset mdr-zx330bt .. i manage to make it connected ...
the problem is i can't change the profile to A2dp .. when using blueman-manager trying to to change the profile i got this error ..



trying to change it with pavucontrol as i've read in debian official page is not working either , i manage to choose the profile , but when i exit and open it again i found nothing change



any help here with detailed steps which i can follow ?