Where can I find and download the YI Mirrorless app? You can find and download our YI Mirrorless app on Apple's App Store (iOS) and Google's Play Store (Android) separately. Related articles Where can I find the user manual? How do I upgrade my firmware? How do I pair my YI 4K Action Camera with the app? Setting Up Your Camera With YI Home app Are there any video tutorials available for YI M1 Mirrorless Camera?