[Update: May 12] checkra1n 0.12.3 update brings support for iOS 14.5, Apple Silicon (M1) Macs, & various bug fixes

New updates are being added at the bottom of this story…….

Original story (published on April 30, 2021) follows:

Apple’s iOS offers a lot of features and customization options to users but some users are simply looking for more.

This is where the jailbreak community comes in as it offers more customization options to iOS users.

One of the most popular jailbreak tools is Checkra1n which is known for its regular updates and support for newer iOS versions.

Now, Checkra1n is getting a new update which brings along support for the latest iOS 14.5 update.

Also, there is support for the Apple Silicon (M1) powered Macs with a bunch of bug fixes.

There are fixes for the loader app crashing on tvOS 12, checkra1n crashing on macOS when recent MobileDevice frameworks are used, and several terminal UI related issues on Linux.

While the latest Checkra1n update 0.12.3 does offer a lot of improvements, it is still a beta version.

This further means that there are still some known issues that are yet to be addressed. Here’s the complete changelog:

[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
[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]
– 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.
Source

However, it is still good to see that Checkra1n has included support for iOS 14.5 which came out pretty recently.

So, if you are into jailbreaking then be sure to try the latest Checkra1n beta, however, it is not advisable to use it on a primary device.

Hopefully, the stable Checkra1n update comes out soon with more bug fixes and improvements.

That said, we will be back with more details as and when new information becomes available so stay tuned.

In the meantime, you can check out our dedicated Apple section as there are more such stories over there.

IST 06:53 pm: The Checkra1n beta update version 0.12.4 is now available with a hotfix for devices powered by the Apple A9x chip. The said devices were not booting up with Checkra1n version 0.12.3 on iOS 14.5.

What’s new
[Bug fixes]
– Hotfix for A9X devices, which could not boot on 14.5 at all with 0.12.3
– Fix package dependency issues on the deb repo
Source

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