"firmware.bin" is on my SD card. Why isn't it updating its firmware?(YI 4K Action Camera) Format the SD Card, re-copy “firmware.bin” and try update again. Related articles How To Download The Firmware Update How do I upgrade my firmware? How do I select 4K 60fps? How come the YI 4K Action Camera will not turn on? How do I restore my YI 4K Action Camera to factory settings?