Apple launched IOS 9.2.1 with security and updates and bug fixes from the previous version of IOS 9.2. Luckily there is a way for Cydia to quickly update the firmware version of IOS 9.2.1. As we all know, on iOS 8.4.1, 9.2-9.3.1 Apple has patched absolutely untethered jailbreak. Pangu team launched their jailbreaking tool for…