Article ID : 00203701 / Last Modified : 26/10/2018

Can't Mute the Sound from the Devices Connected Through the Optical Out and HDMI ARC on My Android TV

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You can't mute the sound from the devices connected through the DIGITAL AUDIO OUT (OPTICAL) and HDMI (ARC) port of the TV using the MUTE button on the TV remote control. This is a TV specification and part of the normal operation. You may lower the volume or mute the sound from the connected device.