Hi,I got m51 last week,I have the same issue in mic.. while calling opposite people can't hear properly..Our voice are quite good, while my child speak they are not hearing properly.. voice breaks and few words only can they hear and few squeak noi...
it is almost 10 day passed, I lost the return policy too. while I speak it is ok, today only while my speak through I got to know the issue.. if any update or any possibility let me know for the issue