Where can I find and download the YI Action app? You can find and download our YI Action app on Apple's App Store (iOS) and Google's Play Store (Android) separately. Related articles Is there a QR code for YI 4K Action Camera? How do I update the camera firmware version? What are the key YI 4K Action Camera features? Download YI Home app (iOS, Android) How can I contact customer support? Comments 0 comments Please sign in to leave a comment.