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) Why the app stops working after its being connected to the YI LITE Action Camera?