The video encompasses the typical proof-of-concept steps intended to prove that it’s a legitimate installation of iOS 12, such as going into Settings → Software Update and Settings → About.
Chen is witnessed launching Cydia and demonstrating its working condition afterward.
But as exciting as this may seem at first glance, you shouldn’t expect a public release. The KeenLab team usually keeps their jailbreaks to themselves for internal testing purposes only.
If anything, Chen’s demo video serves as a proof of concept and illustrates how Apple’s newest firmware can still be jailbroken despite efforts made by the company to thwart the community.
Would you like to be able to jailbreak iOS 12 when it comes out? Share in the comments section below.