Install and use the "Audio Router" APP to solve your Android Nougat and Oreo call and sound problems. https://play.google.com/store/apps/details?id=audiomix....
Audio Router APP For Solving Android Nougat,Oreo Call & Sound Problems
Install and use the "Audio Router" APP to solve your Android Nougat and Oreo call and sound problems.
https://play.google.com/store/apps/details?id=audiomix.audiooutputsource&hl=en_US
Like many other users, I myself, have had all sorts of problems with not being able to hear callers or callers not being able to hear me in cellular voice calls.
There are various different ways to solve this problem, but this is a quick and simple fix for most issues with almost any Android device on the market.
Hopefully this helps some of you with your own issues, if not drop me an email or put a comment in the box below and we can try and work out your specific problem.