Q: How do I use it? A: Open the checkra1n app, and follow the instructions to put your device into DFU mode. Q: Why was the beta release delayed? A: We didn't want the release quality to end up like iOS 13.2, you deserve better. Q: What is checkra1n? A: checkra1n is a community project to provide a high-quality semi-tethered jailbreak to all, based on the ‘checkm8’ bootrom exploit. Support for other package managers, including Zebra and Installer is coming soon and is expected within the coming weeks. Package managersĪt the moment, checkra1n only supports installing Cydia. Work is ongoing to support Windows, which will be added in a later release. This beta is only available for macOS and Linux.

It is unknown whether any other language is affected. Some users have reported checkra1n crashing when Chinese is set as the only system language.If you disconnect the cable, then as soon as macOS boots it’ll take over the USB connection and disallow communication with the T2.Linux GUI build when using CLI mode doesn’t support auto assertion of DFU mode on advanced Apple TV 4K breakout boards.The exploit may not work as reliably on some devices, such as the Raspberry Pi Zero and Raspberry Pi 3.

A7 devices will currently not work with the Linux version.

A11 devices on iOS 14.0 and above require removing the passcode and enabling “Skip A11 BPR check” in the options.

Fix package dependency issues on the deb repo.

Hotfix for A9X devices, which could not boot on 14.5 at all with 0.12.3.

This release is a beta preview and as such should not be installed on a primary device What’s new Bug fixes

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