03-01-2021 07:54 PM in
03-01-2021 07:58 PM - last edited 03-01-2021 08:10 PM
I had exactly the same issue, solved following the solution in this thread
https://eu.community.samsung.com/t5/galaxy-s9-s9/incoming-callers-can-t-hear-me/m-p/2375045