In today's video, we have pretty good news for the people waiting for an iOS 12.1.3 up to iOS 12.3.1 Jailbreak. Just a few hours ago, jailbreak developer Pwn20wnd has announced that he successfully confirmed Cydia Substrate and Cydia working on iOS 12.2 and newer on a pre-jailbroken build of iOS 12.2 in Corellium. Corellium is an iOS emulator that uses real iOS kernel and components. It is currently open only to a handful of developers for trial, but it's pretty fantastic - you can jailbreak iOS 13, iOS 12.3.1, etc. with it and do whatever jailbreak development/tests you want, without having to mess with a real iOS device. Unlike a simulator, this tool uses actual iOS so you know for sure the result is the same on a real device.
Because Corellium has its own iOS Bootloader, it can disable various security mechanisms in iOS so that you can apply various patches and have a jailbroken device on iOS 13 and iOS 12.4 with Cydia and Substrate, without having to have a tfp0 exploit. It's an amazing feat of engineering that allows jailbreak developers, security researchers and iOS App developers alike to test their code on real-life environments. That's how Pwn20wnd was able to test the Cydia Substrate.
I also have access to Corellium and was able to confirm Pwn20wnd's findings. In Corellium, running iOS 13 Beta, I was able to run Cydia with no issue. Tweaks also work, so this means that once a tfp0 kernel exploit is available, we won't need to lose time with fixing Substrate or Cydia (which can take a long time, now that Saurik isn't that interested in keeping it update anymore, and Substrate is closed source).
Because Corellium has its own iOS Bootloader, it can disable various security mechanisms in iOS so that you can apply various patches and have a jailbroken device on iOS 13 and iOS 12.4 with Cydia and Substrate, without having to have a tfp0 exploit. It's an amazing feat of engineering that allows jailbreak developers, security researchers and iOS App developers alike to test their code on real-life environments. That's how Pwn20wnd was able to test the Cydia Substrate.
I also have access to Corellium and was able to confirm Pwn20wnd's findings. In Corellium, running iOS 13 Beta, I was able to run Cydia with no issue. Tweaks also work, so this means that once a tfp0 kernel exploit is available, we won't need to lose time with fixing Substrate or Cydia (which can take a long time, now that Saurik isn't that interested in keeping it update anymore, and Substrate is closed source).
