After a month of beta testing, the watchOS 5.1 update went live for Apple Watch alongside the release of iOS 12.1 for supported iOS devices. For most Apple Watches users, the watchOS 5.1 update installs just fine. But for the Series 4 Watch users, the update gets stuck on the Apple Logo after installation. Many users have reported the issue on the Apple Community forums. One user gtdandy who updated his Apple Watch Series 4 to watchOS…