yalu

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yalu
Original author(s) Luca Todesco (qwertyoruiop)
Developer(s) Luca Todesco (qwertyoruiop)
Development status Beta
Available in English
Type Jailbreaking
License Freeware
Website yalu

yalu is a series of untethered jailbreaks released for iOS. Developed by Luca Todesco (qwertyoruiop), yalu was initially released as an incomplete iOS 8.4.1 code sign and sandbox bypass, which has since been added to by others. Todesco then released a new version of yalu in beta, in the form of an IPA, supporting some devices running iOS 10.1-10.1.1.

The incomplete 8.4.1 yalu

Released on GitHub, yalu for 8.4.1 supports various unknown devices. Some users have managed to use the code released to achieve a fully untethered jailbreak, but nothing has been publicly released.

yalu for iOS 10.1-10.1.1

Sometimes known as YaluX or yalu + mach_portal, yalu for iOS 10.1 is currently in beta, and supports the iPad Pro, the iPhone 6s and 6s Plus, the iPhone SE and the iPhone 7 and 7 Plus. Issues have arisen with devices using TSMC manufactured chips.

When initially released, the jailbreak was intended for developers only, and users are warned about the jailbreak being unstable and buggy. Substrate is deliberately broken in an attempt to deter users from using it. However, several fixes have been made available, many resulting in issues with tweaks and forcing some users to restore.

The jailbreak utilizes several of Ian Beer's exploits discovered in the kernel of iOS 10.1.

Several beta versions have been released, with the latest, beta 4 and beta 4-1 being retracted due to bugs and errors. Beta 3 is the latest 'stable' working version.

The jailbreak is patched as of iOS 10.2, though Todesco has said he will update yalu to support iOS 10.2.

yalu is downloaded as an IPA, and sideloaded onto the device using saurik's Cydia Impactor.