Due to the specifications of the Android TV, the volume setting in Digital audio out volume setting will not return to its default setting even after performing reset on the TV. This is normal operation.
To reset the Digital audio out volume setting to its default setting, follow the steps below.
- On the supplied remote control, press the HOME button.
- Under the Settings category, select Settings.
- Under the TV category, select Sound.
- Select Sound.
- Select Advanced settings.
- Select Reset.