crwdns2934241:0crwdne2934241:0 Alexander
crwdns2934249:0crwdne2934249:0:
I don't know how a Lumia 920 is supposed to sound, however I do know that Lumias in general have a very common problem with crappy speakers. Every Lumia I've fixed in the past 2-3months was a speaker issue. I don't know what this "buzzer" is you are talking about, but if you have eliminated the possibility of software problems than the problem should be the external speaker.
crwdns2915684:0crwdne2915684:0:
open