Originally Posted by alex.foto
So i going to go straight to the point.For a couple of days i noticed that when somebody calls me and the phone is in my pocket or with the face down only the lower speaker is working(ringing) and when is on the table/birou face up the both speakers are ringing.So i tested all the ways and i noticed that when i cover with my finger the proxymity/light sensor thats when only one speaker is ringing(the bottom one).I've tested all the sensors and all off them are working flowless.I assume its a bug,I'm on stock android 4.3 cid tmob-101.
Please help me cose im getting very angry when i down hear a call.
PS:even the update to 4.4.2 is not showing up already and that is a problem.
you need to re-flash your ROM,
if not, it was be a Hardware issue