Why is there no timestamp with YI 4K+ Action Camera? Timestamp is not supported while shooting HFR (120P and above), Time-lapse video and slow-motion. Related articles Why is there no timestamp with YI 4K Action Camera? How do I go back to the launch screen when camera is first powered on?(YI 4K+ Action Camera) What is the wide angle view on the YI Outdoor Camera? Why are the alerts delayed? Why are the length of all videos 8 minutes 30 seconds when shooting 4K videos?