GoKawiilApple issues watchOS 27.0.1 to fix random restarts on Series 12, Ultra 4
Apple has released watchOS 27.0.1, a software update targeted only at Apple Watch Series 12 and Apple Watch Ultra 4 devices. According to Apple's release notes, the update addresses a bug causing some watches to restart unexpectedly. The issue had been reported by multiple users on Reddit and other forums, who described their new watches restarting several times a day.