I am using z5 dual
Before 3 month ago after updating software sound quality was to cheap than after a month i got another software updtade after it sound problem was solved but now after 3 month i find an another problem like my battery life was just for 4 hour and my device was working to slow so i did a facrory data reset than after it now that low/poor sound quality is again start even when my phone ringing i cant here
So please please help to solve it
