Chosen Solution
I have an annoying problem on my iPhone 6s Plus that I hear not so loud as I need to hear from the earpiece. So I ordered an earpiece online and replaced it my self… After replacing to a new one - i couldn’t hear anything from the earpiece and also the proximity sensor didn’t work. So I contacted the seller and asked for a new one and I got a new one, replaced it - it started working again but, the same Volume as the original :( So now I basically don’t know what to do. Maybe order a new one or is it a problem on my motherboard…? What do you suggest me to do?
have you tried cleaning the mesh on the inside and outside of the screen. This could be whats causing the issue.