The Samsung Galaxy A41 SM-A415F Mic Problem is largely due to hardware malfunction, it is usually caused by damage to the mic pins on the charging board. The issue that people can't hear from you whenever you receive a call, below things can be the cause of the mic loss problem on Samsung Galaxy A41.
Solution Samsung Galaxy A41 lost mic
Microphone failure or microphone failure can be caused by poor contact, partial or complete disconnection between microphones. What to do in this case is to tighten the phone with a tovit or locate the fault then replace or rewire if short circuited.
The diagram above has two blue and red lines that guide how to fish the mic. Red is marked as mic + and blue is mic -. If your mic does not work, please check according to the diagram above, if there is a short circuit, please repeat as shown.