Today, Apple has released iOS 9.2.1 for iPhone, iPad and iPod touch to the public, a week after releasing the first beta version of iOS 9.3 to developers.
iOS 9.2.1, as a 9.x.x update, is minor in scale, focusing mainly on under-the-hood performance improvements and bug fixes rather than outward-facing changes. According to Apple’s release notes, the update includes security improvements and bug fixes, including a fix for a significant Mobile Device Management issue that affected enterprise customers.
This update contains security updates and bug fixes including a fix for an issue that could prevent the completion of app installation when using an MDM server.
Meanwhile, Apple has also seeded iOS 9.3 to developers and public beta testers, which includes number of new features such as Night Shift, password protected Notes, revamped News app, new 3D Touch Quick Actions and lots more.
Jailbreakers should avoid upgrading their jailbroken device to iOS 9.2.1 as you will lose the jailbreak.
Today’s iOS 9.2.1 release is available as an over-the-air update to all iOS 9 users. A minor update, iOS 9.2.1 is the fifth update to iOS 9 in total, following the launches of iOS 9.0.1, iOS 9.0.2, iOS 9.1, and iOS 9.2.
Apple Releases iOS 9.2.1 With Security Updates And Bug Fixes