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 How come the YI 4K Action Camera will not turn on? My device suddenly shut down. (YI 4K Action Camera) What do the various states of the Power LED indicate? Why is the blue light constant when my YI 4K Action Camera is turned on? Light indicator status instructions