Apple Fixes Watch Restart Bug With watchOS 27.0.1

Apple released watchOS 27.0.1 for Apple Watch Series 12 and Ultra 4, fixing random restarts reported during calls, workouts, watch face editing, Siri AI and Maps. The update, limited to those 2026 models, requires the watch on its charger with over 50 percent battery. It follows watchOS 27 by just over a week. Apple did not disclose the cause.