Thank you for sharing your concern. We acknowledge your query and apologize for the same. And please follow the easy troubleshooting steps which might help to solve the issue.
A: Disconnect all accessories:
1. Disconnect anything plugged into the headphone jack like, selfie stick, headphone, Bluetooth, etc.
2. Remove any third-party case, protective films, or any other accessory that usually comes in contact with your device. (If any)
B: If the issue does not resolve then check device volume settings, please follows the below steps:
Settings >> Tap on Sound & vibration >> Tap on 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.
C: If issue not resolved then Check mute all sound option, please follow the below steps:
Settings >> Tap on Accessibility >> Tap on Hearing enhancements >> Disable Mute all sounds (if enabled).
In case the issue still occurs. Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Ask question).
Thank you for writing to Samsung. Warm regard, Samsung customer support
