Overview
- The December OTA for Wear OS 6.1, based on Android 16, is rolling out to Pixel Watch 2, 3, and 4 across Bluetooth/Wi‑Fi and LTE models.
- Pixel Watch 4 adds double‑pinch and wrist‑turn gestures for quick actions such as answering calls or stopping alarms, with UI tweaks and always‑on media controls.
- Pixel Watch 3 and 4 gain improved Smart Replies for messaging, while Pixel Watch 2 and newer receive the latest security updates.
- Build BP4A.251205.005.W7 marks the first post‑launch update for Pixel Watch 4 under Google's stated quarterly schedule.
- The original Pixel Watch remains on Wear OS 5.1 without this update, and SamMobile reports Galaxy Watches could adopt some 6.1 features in a future One UI Watch release.