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Checkra1n jailbreak update support for iOS 14.5, including M1 Mac

Checkra1n jailbreak update support for iOS 14.5

Apple recently released iOS 14.5.1 to the public, and the large number of updates and numerous forward-looking additions make it a pretty significant release. In addition, Apple has introduced privacy and security features which will protect users from unauthorized data access.

Now, Checkra1n jailbreak has also been updated to the latest v0.12.3 version which supports iOS 14.5 along with M1 Mac and fixes critical bugs.

Checkra1n jailbreak update support for iOS 14.5, including M1 Mac

As mentioned earlier, Checkra1n jailbreak has been updated to version 0.12.3 with support for the newly released iOS 14.5, support for Apple's M1 Mac, and bug fixes. The new bug fixes improve the overall performance of the platform and allow for a seamless user experience. Please note that support for Windows is still missing, but will be added in a potential future update.

Checkra1n official website: https://checkra.in/

There are also some issues specific to Chinese users that need attention. Some users have reported that Checkra1n crashes when Chinese is set as the only system language. It is not known if any other languages are affected.

One thing that must be noted is that the Checkra1n jailbreak tool for iOS 14.5 is only available for selected iPhone and iPad models. On the iPhone side, you can use the update on iPhone 6s through iPhone X.

What’s new in Checkra1n

Highlighted changes

  • Support for iOS 14.5
  • Preliminary support for M1 Macs - read the announcement
  • New --force-revert command line option to force rootFS reverting without access to the loader app
  • The included binpack has been updated and thinned

Bug fixes

  • Fixes an issue that caused the loader app to crash on tvOS 12
  • Fixes checkra1n crashing on macOS if using a recent MobileDevice framework
  • Fixes an issue that could cause the “terminal UI” to crash on Linux
  • Fixes an issue where the “terminal UI” could leave the terminal in an unusable state on exit
  • The “devhelper” process on Linux is now properly cleaned up on exit


  • 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

  • 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.

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