checkm8

Check out the latest news and tutorials about checkm8, a hardware-based bootrom exploit for A7-A11 iPhones and iPads that can’t be patched by Apple, making it a popular choice for jailbreak tools.

Checkra1n for Linux is purportedly almost complete

Anthony Bouchard ∙ January 21, 2020

The checkra1n jailbreak has earned quite the impressive reputation over the past several months as it became both the first iOS 13-supported jailbreak and the first un-patchable bootrom exploit-based jailbreak to be released since the infamous limera1n days almost one full decade ago. But there’s also a certain stigma surrounding the checkra1n jailbreak as it only runs on macOS at the time of this writing.

Fortunately, that’s set to change sooner rather than later. While a Windows version of the jailbreak tool is still probably rather far off due to the complexities of its development, the good news is that the Linux version of checkra1n is nearing completion and could be released very soon. Checkra1n co-developer Nikias Bassen (@pimskeks) shared the exciting announcement via Twitter this Tuesday afternoon:

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New solder-on cable allegedly permits DFU mode entry on Apple TV 4K

Anthony Bouchard ∙ January 7, 2020

One of the most substantial things to happen in the jailbreak community in the past decade was the release of @axi0mX’s hardware-based checkm8 bootrom exploit. This exploit can’t be patched by Apple in a software update, and it essentially guarantees the jailbreakability of several of Apple’s devices using the A5-A11 SoC for life.

While checkm8 is already being used in the checkra1n jailbreak for handsets ranging from the iPhone 5s to the iPhone X, it’s also true that the same exploit can be used to jailbreak compatible Apple TV units. The newest Apple TV, on the other hand, purportedly sports a hidden Lightning port that would necessitate a special adapter to utilize for such an exploit.

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Checkra1n v0.9.6 now available for public testing with an extensive change log

Anthony Bouchard ∙ Updated May 27, 2020

If you’ve been testing the checkra1n public beta jailbreak on any of your iOS devices since the tool’s availability for public testing made headlines almost three weeks ago, then you’ve unquestionably noticed the sudden stall in frequent tool updates.

As it would seem, the checkra1n team has been hard at work in crunching bugs and improving the jailbreak’s stability, and that brings us to the latest update. Checkra1n team member Luca Todesco took to Twitter Sunday morning to announce the availability of checkra1n v.0.9.6, the latest in a long line of public beta releases for avid jailbreakers who wish to take advantage of the powerful checkm8 bootrom exploit:

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Trouble jailbreaking with checkra1n? Try this…

Anthony Bouchard ∙ November 15, 2019

If you’re anything like me, then you’re ecstatic about the release of the checkra1n jailbreak. It’s an exciting development that utilizes @axi0mX’s checkm8 bootrom exploit to facilitate software liberation on handsets ranging from the iPhone 5s to the iPhone X. Moreover, it’s the first public jailbreak to support iOS 13.

But it’s difficult to ignore the elephant in the room here, and that’s the sheer number of public beta testers that have reported challenges getting into DFU mode and jailbreaking, citing common issues such as Error-20 and failure to boot jailbroken.

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Apple unsigns iOS 13.2, hindering downgrades from iOS 13.2.2

Anthony Bouchard ∙ November 14, 2019

Apple stopped signing iOS 13.2 Thursday evening, a move that inhibits iPhone, iPad, and iPod touch owners from downgrading their handset’s software from the latest iOS 13.2.2 release.

It’s common practice for the Cupertino-based tech company to unsign older software sometime after a newer gets released. Doing so facilitates (sometimes involuntary) software upgrades, which ensures that the majority of iOS device users take advantage of the latest new features, bug fixes, and security improvements.

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Checkra1n tv jailbreak now available for the Apple TV (4th Generation)

Anthony Bouchard ∙ Updated May 27, 2020

Much of this past week’s news has been all about the newfangled checkra1n jailbreak for certain iOS devices affected by the checkm8 bootrom exploit, but was anyone wondering about the progress on support for Apple TV? If you answered ‘yes’ to that question, then wonder no longer.

It would now seem that an official fork of the checkra1n jailbreak tool dubbed checkra1n tv was soft released as a public beta on the checkra1n team’s official website Wednesday evening. The news was shared first by Apple TV jailbreak mastermind @nitoTV on Twitter:

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Checkra1n public beta v0.9.2 incorporates bug fixes and ‘no substrate mode’

Anthony Bouchard ∙ Updated May 27, 2020

The checkra1n team silently updated the public beta of the brand-new checkra1n jailbreak tool to v0.9.2 Monday evening with a short list of improvements.

The latest update incorporates bug fixes and adds official support for 'no substrate mode' for troubleshooting jailbreak extensions in the event of crashes or respring loops. The full change log for checkra1n v0.9.2 is as follows:

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