no call, key press, audio sound from phone was working, have phone for 28 days. have recently set up low microphone sound as per forum info. could be this has caused problems with no sound, please help or send phone back. tyia.

hello,
have you tried to enter the factory mode to reset your phone?
if not, here is the guide link:
viewtopic.php?f=192&t=334922
and please tell us your firmware version .
thx.