Call problems

[VDinesh]

While using duo Sims one sim is not working properly. Caller voice is not heared. Our voice is also not heared. Every time I should restart to solve this problem. Any has any idea to solve this problem.

[VDinesh]

For samsung M11 mobile

[cs_member10]

Dear Samsung Member,

Greetings from Samsung Customer Support!

As per your concern, we would request you to kindly perform the following steps to resolve your issue.

Disconnect anything plugged into the headphone jack like, a selfie stick, headphones, Bluetooth, etc.
Remove any third-party case, protective films, or any other accessory that usually comes in contact with your device.

Check device volume settings: Tap on Settings > Sound & vibration>Volume > Drag the volume adjustment bar left or right to increase or decrease the device volume.
To verify, play music and check the music sound. If the sound quality is good, then your speaker is working fine.

Clear Sound Picker data: Settings> Apps> Filter and Sort> Enable Show system apps> OK>Search Sound Picker> Storage> Clear data of Sound Picker.

Clear SoundAlive data: Settings> Apps> Filter and Sort> Enable Show system apps> OK>Search SoundAlive> Storage> Clear data.

Clear Adapt sound data: Settings> Apps> Filter and Sort> Enable Show system apps> OK>Search Adapt Sound> Storage> Clear data.

Reset app preferences: Settings> Apps> Three dots> Reset app preferences> Reset.

Update the software if available: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-update-software/

You can reset your device by following the steps from the below link.
https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-mobile-how-to-perform-a-factory-res...

In case the issue still occurs please visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/

Warm Regards,
Samsung Customer Support