Why can I see the video feed but cannot hear the sound? Please update your YI Home Camera app to the latest version. Check your phone settings to see whether your app is granted microphone permission. Related articles What do I do if the voice of the video is low or with noise or howling? How do I save and watch my videos? Why are the videos blurry or not clear? How do I set activity alerts? If I share my camera with others, what kind of authorities do they have? Comments 0 comments Please sign in to leave a comment.