Microphone problem

Hi, and thanks in advance for the help. We have made a working phone, EXCEPT the microphone does not work. All other functions work. when we make a phone call, we can hear but not be heard. The microphone appears to be soldered correctly. how can we get the microphone to work?
thank you.

Have you checked the sound settings to make sure the microphone level isn’t set to zero?

Hello, I checked and it is set on max . Thanks!

Hi @Blaze

I’m sorry for the late reply!
Could you please send an email to [email protected] with a few photos of your soldering joints on the board? Please remove the casings and take photos of all the soldering pins.
Let’s start there.

Talk to you soon!