A71

[ahmadadnanbaayoun]

Microphone is not work 

[kitsune2708]

Did you factory reset your phone?

If no then follow these steps before doing so: (make sure you have a SD card) (screenshots will be provided)

[kitsune2708]

Step 1 to 4

[kitsune2708]

Step 5 to 6

[ahmadadnanbaayoun]

نعم عملت فاكتوري reset

[kitsune2708]

طيب... حل مشكلة

[Samsung_Expert]

kindly try to test the mic by going to Samsung  members app >> get help > interactive checks > test mic 

if that did not work then unfortunately service needed as we recommend you to refer to the nearest authorized service center in your country