iOS 10.2.1, macOS 10.12.3 and tvOS 10.1.1 are the latest operating systems introduced by Apple. The company has released a new iOS 10.2.1 update for iPhone and iPad users, and macOS 10.12.3 for Apple Watch, Mac, and Apple TV users as well.
iOS 10.2.1 focuses on bug fixes and improvements. macOS 10.12.3 fixes many issues with the new MacBook Pro. tvOS 10.1.1 also brings stability improvements.
iOS 10.2.1 is for Apple 5 and later devices, iPad fourth generation and later devices, and iPod touch 6th generation and later devices. For download and install, you have to go Settings > General > Software Update.
macOS 10.12.3 is for Mac users. This update fixes issues with Adobe Premiere Pro, and further improves graphics switching on the 15-inch MacBook Pro. The update is available through the Mac App Store.
watchOS 3.1.3 software update for all Apple Watch users. You have to use your Apple iPhone for update this software. By following this link, you can complete information about it.
tvOS 10.1.1 update for the Apple TV and it focuses on fixes and improvements. But the company does not provide any details apart from introducing ‘stability improvements’.