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 Why are the videos blurry or not clear? If I share my camera with others, what kind of authorities do they have? Where can I find and download the latest firmware? Setting Up Your Camera With YI Home App Download YI Home App (iOS, Android) Comments 0 comments Please sign in to leave a comment.