checkra1n

Stay up-to-date with the latest news and releases of checkra1n, an unpatchable semi-tethered jailbreak based on the checkm8 powerful bootrom exploit supporting A7-A11 devices on iOS and iPadOS 12.0 and higher.

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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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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How to jailbreak with checkra1n

Anthony Bouchard ∙ Updated May 25, 2021

The checkra1n team officially released the checkm8 bootrom exploit-based checkra1n jailbreak tool this weekend as a public beta to the masses, and while we’d seriously recommend holding off until the tool comes out of beta, we’d totally understand if you’re a bit antsy to go hands-on with things right now.

In this tutorial, we’ll be showing you how to use the checkra1n jailbreak tool to liberate a supported iPhone, iPad, or iPod touch.

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Checkra1n v0.9 beta now available for public testing

Anthony Bouchard ∙ Updated May 27, 2020

Following several weeks’ worth of electrifying teasers, hacker Luca Todesco officially unveiled checkra1n, a brand-new jailbreak utility based on @axi0mX’s new checkm8 bootrom exploit for A5-A11 devices. Todesco presented the new jailbreak after taking the stage at POC2019 in Seoul, South Korea on Friday, just as he said he would, but subtle issues delayed the original launch expectation by a few days.

Checkra1n is a precedent-setting jailbreak the likes of which we have not seen since limera1n on the A4-equipped iPhone 4. Checkra1n isn’t untethered like limera1n was, but it utilizes an exploit that can’t be patched by Apple with any traditional software update, which commendably means that impacted handsets can be jailbroken for life regardless of software version.

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Last-minute issues delaying checkra1n launch, but release still imminent

Anthony Bouchard ∙ November 8, 2019

Hacker and checkra1n team member Luca Todesco took the stage at POC2019 in Seoul, South Korea early Friday morning to talk about checkra1n, an upcoming checkm8 exploit-based jailbreak tool that would work with A5-A11 devices. But perhaps more intriguingly, sporadic teasers indicated that the tool would be released sometime after his presentation there.

The last official update we have from Todesco himself is that the checkra1n release was delayed longer than expected following the presentation, but it was still supposed to launch sometime today. With the day now over and still no official checkra1n jailbreak launch at the time of this writing, you wouldn’t be alone if you were twiddling your thumbs and wondering what was happening.

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Luca Todesco talks at POC2019, reveals checkra1n team identities and plans

Anthony Bouchard ∙ November 8, 2019

If you’ve been following the development of the checkm8-based checkra1n jailbreak all this time, then you’ll be excited to hear that one of the project’s most vocal developers, Luca Todesco, took the stage at POC2019 in Seoul, South Korea to discuss the jailbreak and reveal particularly captivating details about the checkra1n team’s members, long-term plans, and more.

Todesco entitled his Keynote presentation “The One Weird Trick SecureROM Hates,” and from what we can gather, the checkra1n team is comprised of the following members, many of which might be familiar to veteran jailbreakers:

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Luca Todesco teases Installer on upcoming checkra1n jailbreak

Anthony Bouchard ∙ October 31, 2019

The upcoming checkm8 exploit-based checkra1n jailbreak has been making rounds in headlines over the last couple of weeks, with some of the most exciting news involving tweak injection on iOS 13. But as you might recall, a recent teaser also showed that the checkra1n jailbreak would support several package managers, including Cydia and Zebra.

People were particularly excited to see support for Zebra in addition to the tried and true Cydia package manager, but it begged the question about compatibility with other popular package managers, including Installer and Sileo, just to name a few.

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