WatchOS 2.2.1, tvOS 9.2.1, & iTunes 12.4 Updates Available
Apple has released tvOS 9.2.1 for the Apple TV 4th generation, and WatchOS 2.2.1 for Apple Watch. Both releases include bug fixes and minor feature enhancements and are recommended for the respective devices.
Additionally, Apple has released iTunes 12.4, which includes minor interface changes including a sidebar, and some other bug fixes to the media and iOS device management app.
tvOS 9.2.1 can be installed on compatible Apple TV devices by going through the Settings app software update mechanism in tvOS.
watchOS 2.2.1 is installed through the accompanying iPhone devices Apple Watch app through the devices own watchOS software update function.
iTunes 12.4 can be downloaded through the Mac App Store, or through the iTunes app itself in Windows or Mac OS X. Users can also choose to download the update through the official iTunes website at apple.com/itunes.