The sound volume is low during a call (The other party's voice is low / Speaker phone volume is low)

During a call, the call volume operates differently from the multimedia volume.

If the call sound is low during a call, you can adjust a call volume by pressing the volume up/down button

※ To adjust a call volume, you can adjust a call volume only during a call with the volume up/down button.

   (Settings > Sounds and Vibration > Volume > Call Volume setting menu has been deleted)