microphone not working ...during normal calls my micro phone is not working..

[ganeshbedre]

I'm using m31..if I put on speaker other person is able to hear me ..but when I normally talk without earphones also other person is not able to hear me 

[Ehsank]

Perform Interactive checks through Samsung Members app (Samsung Member> Get Help> Interactive checks>.

[samfan156]

please use the phone in safe mode or

clear the cache fiels in bootloader
to go bootloader of the phone and press the volume up and power bottom for 7 to 8 seconds simultaneously 🙏🙏

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

To resolve the mic issue kindly follow below given steps:-

1. Disconnect all accessories plugged into the headphone jack like, selfie stick, headphone, Bluetooth, etc..
Remove any third-party case, protective films, or any other accessory that usually comes in contact with your device. (If any)

2. Reset the device and before resetting the device make sure to create data backup of your device via Smart Switch mobile application or http://www.samsung.com/in/support/smartswitch pc suite.
Settings > General Management > Reset.

For more information kindly follow steps provided in below given link:-
https://www.samsung.com/in/support/mobile-devices/samsung-mobile-microphone-not-working/

After performing the troubleshooting steps if the issue still persists, kindly get back to us with additional information- Error log File, Video or Screen-shots. This will help us to further investigate and resolve your concern.
(Samsung Members app > Get help > Feedback > Error report/ask question).

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support