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Download Fugu15 Max IPA Jailbreak for iOS 15

Promotion image of Fugu15 Max article.

Lars Fröder, the developer of the TrollStore IPA installer, announced the release of the Fugu15 Max source code. This newly-developed jailbreak aims to provide A12+ devices running Fugu15 with the ability to utilize the tweak injection feature on iOS 15. Fugu15 Max IPA was officially released and is now available for download for interested users.

Fugu15 Max IPA

What is Fugu15 Max?

Fugu15 Max (Dopamine) is a new developed jailbreak that aims to enable jailbreaking on all iOS devices running iOS 15 – iOS 15.4.1, including A12+ models. The creator of this jailbreak, Lars Fröder, has built upon the original Fugu15 proof of concept that was released by Linus Henze.

Fugu15 Max differs from its predecessor, Fugu15, by providing enhanced functionality through the addition of tweak injection support and improved exploit performance. This feature is still under development and doesn't work yet. Notably, Fugu15 Max was designed with end-users in mind, enabling them to utilize Sileo and install tweaks specifically tailored for rootless jailbreaks.

Fugu15 Max was limited to iOS 15.4 – iOS 15.4.1, as userspace rebooting on earlier versions can trigger a Wi-Fi bug panic, even when Wi-Fi is disabled. This issue is present in the Fugu15 jailbreak, with versions 15.0 through 15.3.1 exhibiting similar device freezing and restarts. Recently, the bug was fixed allowing Fugu15 Max to support iOS 15.0 – iOS 15.4.1.

Two iPhone screens showing Fugu15 Max Jailbreak.

Despite the advancements made in Fugu15 Max, it still requires the disabling of Wi-Fi during the jailbreaking process on iOS 15.0 – iOS 15.3.1. However, with the introduction of a new commit, Wi-Fi can now be re-enabled once the jailbreak is complete. As Fugu15 Max matures, this feature will be automatically handled by the app, thanks to arbitrary entitlements.

Currently, there is limited information available about the Fugu15 Max jailbreak. The official GitHub page suggests that Lars began modifying the Fugu15 source code in February, but additional details remain scarce. It is possible that other developers will contribute to expedite the development process or even discover a means to enable the jailbreak to provide even more features. As for now, Fugu15 Max will work on iOS 15.0 – iOS 15.4.1.

Fugu15 Max jailbreak has recently undergone significant enhancements and upgrades, offering users a host of new features. One of the most notable updates is the addition of support for userspace reboots, which can greatly improve the functionality of the jailbreak. Additionally, the latest release has resolved several issues that were impacting users, such as AutoFill not working properly after respring, and certain device combinations not being supported.

The jailbreak has also received an updated bootstrap to the latest version, and the system-wide hook has been improved to always respect safe mode, keeping the library out of DriverKit and BlastDoor processes. Furthermore, the latest version of the Fugu15 Max Beta 5 jailbreak prevents tweak injection into processes that could use fork.

Two iPhone screens showing Fugu15 Max Success jailbreak on iOS 15.

Fugu15 Max also includes default rootless repos, such as Chariz, Havoc, Ellekit.space, and BigBoss. Moreover, the memory leaks in jailbreakd have been addressed, and the jailbreak now properly fixes SSH as mobile. Another notable addition is the jbupdate functionality.

The launchd hook has also been updated, with fallback ellekit properly implemented using rpaths. Additionally, more XinaA15 leftover files have been deleted on jailbreak to make a clean installation. Lastly, the Beta 5 release includes numerous stability improvements.

Fugu15 Max seeks to establish itself as a conventional jailbreak with tweak injection capabilities via the Ellekit tweak hooking library, although an expected release date has not yet been announced. If the jailbreak will be released to the public the article will get an update.

While the source code for Fugu15 Max is currently available for compilation, the jailbreak does not yet support tweak injection, rendering it impractical for end-users. The jailbreak will be made available as an IPA package that can be installed permanently with TrollStore.

Two iPhone screens showing Fugu15 Hide Jailbreak and Uninstall Jailbreak feature.

Supported devices

All A12 – A15 systems on a chip (SoC) are supported by Fugu15 Max jailbreak. Below, you can find the actual list of compatible Fugu15 Max iPhones. It is expected that iPads will also be supported in future updates. Stay tuned for more information on compatibility for these devices.

for iOS 15 – iOS 15.4.1

  • A12 – iPhone XS & iPhone XS Max, iPhone XR.
  • A13 – iPhone 11, iPhone 11 Pro & 11 Pro Max, iPhone SE (2nd gen).
  • A14 – iPhone 12 & 12 Mini, iPhone 12 Pro & 12 Pro Max.
  • A15 – iPhone 13 & 13 Mini, iPhone 13 Pro & 13 Pro Max, iPhone SE (3rd gen).

Download Fugu15 Max IPA

Fugu15 Max was released as an IPA file that can be installed using the TrollStore IPA Installer on any iPhone device. The app takes the advantage of an iOS exploit allowing it to jailbreak iOS 15 – iOS 15.4.1 (and some betas) on A12 – A15. This IPA files is a compiled version of Fugu15 Jailbreak source code published on 28 Mar 2023. Fugu15 Max was officially released.

To install Fugu15 Max IPA on your iOS device using TrollStore app, follow these steps:

  1. Install TrollStore on firmware between iOS 15 up to iOS 15.4.1.
  2. Download Fugu15 Max IPA and save it on iCloud.
  3. Share the downloaded IPA file with the TrollStore app.
  4. TrollStore will install Fugu15 Max IPA when the file is loaded.
  5. Access Fugu15 Max app from the Home Screen.

Tip: Install ellekit, the tweak injection library powering the Fugu15 Max jailbreak, and preferenceloader to configure tweaks preferences in Settings app.

Two iPhone screens showing Fugu15 Max IPA installation process.

TrollStore compatibility: iOS 15.0 – iOS 15.4.1, iOS 15.5 beta 1 – iOS 15.5 beta 4, iOS 15.6 beta 1 – 15.6 beta 5. No other firmware releases are or will be supported. No support for iOS 15.5, no support for iOS 15.6, and no support for the latest releases of iOS 16.

What's new

  • Updated Fugu15 Max to version 1.0.0 beta 8.
  • Added option to hide / uninstall Fugu15 (long press on the jailbreak button).
  • Fix setuid properly, fixes NewTerm.
  • Transition to stable Sileo 2.4.
  • Fix system freeze when jailbreakd crashes or restarts.
  • Make systemwide hook more leightweight.
  • Fix bootstrapping error when /var/jb is a symlink that points nowhere.
  • Fixed Wi-Fi panic bug on iOS 15 – iOS 15.4.1.
  • Add ability to give processes entitlements.
  • Usability improvements, handoff from jailbreakd.
  • Update KernelPatchFinder.
  • Make unrestrict-cs command work.
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Written by

Kuba has over 20 years of experience in journalism, focusing on jailbreak topics since 2012. He has interviewed professionals from Intel, Avast, Microsoft, and more. Besides journalism, Kuba specializes in video editing and drone flying. He studied IT at university before his writing career.

Comments

  • Qwerty

    Qwerty 1 year ago

    How to delete Fugu15 Max?

    • qbap

      qbap 1 year ago

      To remove/uninstall Fugu15 Max tap on the jailbreak button to reveal available options including “Uninstall environment”. This option is available since Beta 8 release.

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