Checkra1n supports iPhone 5s through iPhone X but full iOS 14 support for newer devices is still being worked on. Users on A11 devices can disable BPR to jailbreak but that is not recommended.
This release is a beta preview and as such should not be installed on a primary devices
What’s new
Highlighted changes
Enables USB on AppleTV 4k during normal system operation
Bug fixes
Fixes A10 and A10X devices crashing when trying to jailbreak on iOS 14.3 or higher
Fixes an issue where some LaunchDaemons were loaded on platforms where they should not have been
Notes
A11 devices on iOS 14.0 and above require removing the passcode and enabling “Skip A11 BPR check” in the options. This is not recommended, but it’s there.
Known issues
checkra1n does not currently work on Apple Silicon Macs
A7 devices will currently not work with the Linux version
The exploit may not work as reliably on some devices, such as the Raspberry Pi Zero and Raspberry Pi 3
Linux GUI build when using CLI mode doesn’t support auto assertion of DFU mode on advanced Apple TV 4k breakout boards
bridgeOS:
If you disconnect the cable, then as soon as macOS boots it’ll take over the USB connection and disallow communication with the T2
Some users have reported checkra1n crashing when Chinese is set as the only system language. It is unknown whether any other language is affected.Unsupported platforms
This beta is only available for macOS and Linux. Work is ongoing to support Windows, which will be added in a later release.
Package managers
At the moment, checkra1n only supports installing Cydia. Support for other package managers, including Zebra and Installer is coming soon and is expected within the coming weeks.
You can download the checkra1n 0.12.2 beta from here All Releases * checkra1n