Overview
- The rollout covers Wi‑Fi + Bluetooth versions of the Galaxy Watch4 and Watch4 Classic in India and the United States.
- The update carries firmware version R860XXU1JYK4 and includes the October 2025 security patch.
- Cellular (LTE) variants have not yet received the software update.
- Users can check for the update in the Galaxy Wearable app by navigating to Settings, Software update, then Download and install.
- One UI 8 Watch introduces the Now Bar for real‑time activity controls, multi‑info tiles, extended gestures like double‑pinch, and new sleep guidance tools.