What do I do if the YI 4K Action Camera crashes? The system will automatically restart after 30 seconds. Slide open the bottom compartment and remove the battery. Reinsert the battery and reboot your device. Related articles Camera Pairing Issue Why is the blue light constant when my YI 4K Action Camera is turned on? While using the USB cable to connect the YI 4K Action Camera to a PC, why can't the camera be used to take pictures, videos, and pair? How do I restore my YI 4K Action Camera to factory settings?