Where can I find and download the YI Action app?(YI 4K+ Action Camera) You can find and download our YI Action app on Apple's App Store (iOS) and Google's Play Store (Android) separately. Related articles Where can I download YI Action Camera App?(YI 4K+ Action Camera) Where can I download YI Action Camera App?(YI 4K Action Camera) Is there a QR code for YI 4K+ Action Camera? How to update the firmware? (YI Smart Dash Camera) What is the Electronic Image Stabilization(EIS) function? How to use it?