Pressing down on the shutter will not shut down the YI 4K Action Camera. Check settings to see if "In Housing Mode" is turned on. Related articles What do I do if the YI 4K Action Camera crashes? How come the YI 4K Action Camera will not turn on? What are the requirements for my microSD card?(YI 4K Action Camera) What are the key YI Action Camera features? Pressing down on the shutter will not shut down the YI 4K+ Action Camera.