Apple has stopped digitally signing iOS 9.2 firmware for select devices. The decision to stop signing the firmware comes couple of days after Pangu team member Windknown advised upgrading to the latest iOS 9.2.1 firmware, quoting security concerns.

A Pangu team member has posted an article explaining the security vulnerabilities and fixes in iOS 9.2 and iOS 9.2.1. It’s extremely technical and in-depth, but definitely worth a read for those with an interest in iOS security. Here’s what you as a jailbreak and non-jailbreak user needs to know.

Here’s a head-to-head speed test comparison between iOS 9.3 beta 2 vs iOS 9.2.1 final version in the form of four videos, one each for iPhone 6, iPhone 5s, iPhone 5 and iPhone 4s.

A new set of videos showing iOS 9.2.1 vs iOS 9.2 speed comparison confirms that the latest firmware is noticeable faster, especially on older 32-bit devices.

After releasing two beta seeds of iOS 9.2.1, Apple today has made available for download iOS 9.3 beta 1 instead of iOS 9.2.1 beta 3.

A well known developer has managed to jailbreak iOS 9.2.1 and has posted a screenshot of Cydia running on the iPhone 6 to prove that it was up and running on his device of choice.

After releasing first beta of iOS 9.2.1 right before the Christmas holidays, Apple today has seeded iOS 9.2.1 beta 2 to registered developers of Apple Developer Program.

In a host of new videos, you can sit back and watch iOS 9.2.1 beta 1 vs iOS 9.2 head-to-head speed test comparison across a range of tasks on older iPhone models.

After releasing iOS 9.2.1 beta 1 to developers yesterday, Apple today as expected has released iOS 9.2.1 public beta 1 for those registered on Apple’s Public Beta program.

Apple has just released iOS 9.2.1 beta 1 download to the developers registered in the Apple Developer program portal. This beta release comes only a week after Apple released final version of iOS 9.2 to public.