iOS 13.3.1 jailbreak Fugu for developers is an open-source tool based on checkm8 exploit. Here are the details on it.
A post shared to social media site Reddit appears to showcase a new open-source jailbreak dubbed “Fugu.” Its creator, Linus Henze, is calling the jailbreak the first “open-source jailbreak tool based on the checkm8 exploit,” but all is not as it appears to be once you dive into the tool. For months now, iPhone and iPad owners have been enjoying the freedom, power, and versatility that the checkra1n jailbreak brings.
As we know, that jailbreak is built on top of the aforementioned checkm8 exploit, and, as such, means that Apple is powerless to patch it due to its bootrom nature. Up until now, checkra1n was the only tool that seemed to leverage the power of checkm8 but Fugu looks like it is about to change that.
With that said, before we all go getting excited about another potential jailbreak that is accessible and unpatchable, the project’s GitHub page gives additional insight into the intended use-case of Fugu and hints that it simply isn’t aimed at the average device owner:
IMPORTANT: This jailbreak is currently in development and only meant to be used by developers. While it is possible to install Sileo (or Cydia), most tweaks (and probably other stuff) won’t work. Additionally, although the root filesystem is mounted read/write, rebooting into non-jailbroken mode will reset the root filesystem back to stock!
I’ve just uploaded my Jailbreak for the iPad Pro (2017) to GitHub. Right now, SSH and Sileo can be installed. Due to lack of devices, I cannot currently implement support for other devices. Feel free to create PRs if you would like to help me!https://t.co/yXsV2i3Sav
— Linus Henze (@LinusHenze) February 2, 2020
Any ReadMe that starts with an important notation in full capitals is definitely worth taking note of. With the above in mind, Fugu appears to be an attempt at creating a checkm8-based jailbreak tool that is aimed purely at developers for testing and research purposes. In its bare form, Fugu appears to offer what you’d expect in terms of device liberation and the ability to install things like Sileo and SSH but it appears to lack other important aspects, such as Cydia Substrate, thus shipping with no ability for tweaks or packages to run.
Say Hello to Sileo!
(iPad Pro 2017, iPadOS 13.1.3, custom Jailbreak, not checkra1n) pic.twitter.com/dHhS8CDPVl
— Linus Henze (@LinusHenze) October 28, 2019
Fugu also appears to come with other significant limitations in relation to checkra1n, such as purely supporting the 2017 iPad Pro at the time of writing. It also requires macOS and Xcode in order to deploy it to the device. It’s great to see developers playing around with possibilities but, for now, we’d recommend checkra1n as the default as Fugu doesn’t appear to be aimed at the average user.
For those eager to mess with Fugu, head over to the GitHub page here.
For a step-by-step guide on how to jailbreak iOS 13.3.1, you can check out our video tutorial below:
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