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This release is a beta preview and as such should not be installed on a primary devices

What’s new

Other changes

Bumping maximum device tree size to 256KiB for Project Sandcastle.

Fix architecture mismatch for devhelper builds.

Known issues

The Apple TV 4K will produce a -20 error, even on a successful jailbreak Other known issues are available on our issue tracker.

Known issues

The exploit may not work as reliably on some devices, such as the Raspberry Pi Zero and Raspberry Pi 3.

When trying to jailbreak multiple devices, only the first attempt will succeed. Workaround: relaunch checkra1n after every jailbreak attempt.

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 is coming soon, and will not require a checkra1n update.