Overview

• The update arrives as build BP3A.250905.014.W3, based on Android 16, for both Bluetooth/Wi‑Fi and LTE variants of Pixel Watch 2 and Pixel Watch 3.
• Wear OS 6 introduces the Material 3 Expressive design with dynamic color theming, refreshed Quick Settings and notifications, and redesigned Alarm, Stopwatch, and Timer apps.
• Google says optimizations in this release deliver at least a 10% improvement in battery life.
• Factory and OTA images for the Pixel Watch 4 (codename “menari”) are now posted, and flashing certain images requires a Google‑distributed debug adapter by invitation.
• The original 2022 Pixel Watch has no update today, though it remains within Google’s stated software support window through October 2025.