Why doesn't my YI 4K Action Camera have sound? Please check if you muted the speakers Sound Settings: Go to "Back screen -> Settings -> System Settings -> Volume" to view or change sound settings. Related articles I can view the Live feed, but I couldn't hear any audio How to enable or disable the Sound How to turn on/off the Camera Microphone Not able to create an account due to overlapping text How can I playback the footage on my SD card? (YI Home camera)