How can I increase the call volume on my Samsung Galaxy J3?
Your device has several features that let you adjust the volume and improve the audio quality of phone calls.
Screens and settings available may vary by wireless service provider and software version.
Adjust Volume during a Call
The most direct way to adjust volume while on an active call is with the Volume keys on the side of your device.
To access call settings from the Home screen, touch Apps > Settings > Applications > Call.
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