I'm curious noone has noticed yet. I've opened settings > Sounds and Vibations > Selected a ringtone > The sound was very good and loud and comes from the bottom speaker and the ear speaker.
BUT when I got a phone call the ringtone sounded much worse and very low.
Very annoying because it makes the ringtone to sound much lower volume and I am missing calls because half of the times it sounds loud like it should but the other half you can hardly hear it. When u select it in settings, it always sounds loud, the problem appears when u receive a call.