The latest Substrate update includes fixes for a critical bug that would prevent devices from booting while in jailbroken mode. Make sure to update!

#checkra1n 0.9.8.1 is out! Quite a few under the hood changes, Project SandCastle (by Corellium) support and PongoOS improvements. We now added the ability to override the booted PongoOS image with the -k option. Get it at checkra.in/releases/0.9.8…

mosec.org

checkra1n 0.11.0 is now available, adding support for iOS 14 on A9(X) devices and below. A10 devices and above NOT SUPPORTED YET, read our statement 👇 checkra.in/news/2020/09/i…

This is big! checkra1n for iOS 14 😍 If you have an A11 device (iPhone 8 or X), and you want to keep using checkra1n with SEP features like Touch ID, Face ID, or Apple Pay, downgrade to iOS 13.7 now. Apple is still signing it. There is no ETA for A11. x.com/checkra1n/stat…

#checkra1n is proud to have given people a place where people can tinker, play and really get access to the bare metal on A7 to A11 ;)

and, on M1, we’ll be providing our low-level custom second-stage bootloader/kernel for an even smoother tinkering around with the bare metal!

checkra1n 0.12.1 is now available at checkra.in. Partial support for HomePod (thanks to L1) macOS host SSH support for the T2 Safe-mode alert Fix NVRAM for 14.2, Fix tvOS support Fix kernel task info for 14.2 Other bug fixes.

#checkra1n 0.12.1 released with ton of bug fixes, fixing support for tvOS, NVRAM patch for 14.2, safe-mode alert and thanks to L1 it also comes with partial HomePod support! Grab it at checkra.in

Cydia just joined the legal battle against Apple: "A new lawsuit brought by one of Apple's oldest foes seeks to force the iPhone maker to allow alternatives to the App Store, the latest in a growing number of cases that aim to curb the tech giant's power." washingtonpost.com/technology/202…

#checkra1n 0.12.2 released, fixing A10/A10X devices on iOS 14.3, fixing some LaunchDaemon issues, and enabling USB on the AppleTV 4k. Grab it at: checkra.in

We planned to open source checkra1n in 2020, but unfortunately we're not quite ready for a full release yet. HOWEVER: We just open sourced the entirety of PongoOS, including our kernel patchfinder and SEP exploit! All available at: github.com/checkra1n/pong…

#checkra1n 0.12.4 released with a hotfix for A9X devices on 14.5 and above. Grab it at: checkra.in