Undecimus

unc0ver

The most advanced jailbreak tool

unc0ver jailbreak for iOS 11.0 - 12.2
by @pwn20wnd & @sbingner
UI by @iOS_App_Dev & @HiMyNameIsUbik

The most outstanding changes over the other jailbreaks

• One app to jailbreak all firmwares
• Full-fledged Cydia and Substrate support for ARM64 devices
• Full-fledged Telesphoreo port for ARM64 (Elucubratus)
• No private data shared for diagnostics purposes
• SSH-Only (Dropbear) support
• Options for the user
• Utilities for the user
• No inefficient local jailbreak server (jailbreakd daemon)
• Native Cydia support with support for the iPhone X screen size
• Ability to rejailbreak from the jailbroken state
• Stable kernelspace patches to avoid random crashes caused by kernel data aborts
• Stable userspace patches to avoid random freezes and crashes caused by watchdog timer timeouts
• Local APT repo system integrated in the jailbreak to verify the integrity of the core packages and repair them if they are corrupted
• Extended and improved assertion to prevent unexpected results such as bootloops caused by filesystem corruption
• Better system security, battery life and performance
• Significantly faster Cydia
• Modifications to Cydia were approved by the creator of Cydia (Saurik)
• Fully working debugserver
• No DRM
• No installation restrictions
• Open source

Switching from the other jailbreaks

• Dedicated migration support will be used to switch without losing data

Getting support

• Use the built-in diagnostics tool
• Tweet @pwn20wnd

Best practices

• Turn on the AirPlane Mode before starting the jailbreak
• Turn off Siri before starting the jailbreak

Source code

• This project is completely open source and it will be kept like it in the future
• Any kind of contribution is welcome
• The source code can be found on pwn20wndstuff's GitHub account

Video tutorial

• https://youtu.be/TqHYjLHO0zs

Screenshots

Changelog

• Releases are available at https://github.com/pwn20wndstuff/Undecimus/releases (Note: rc1-v1.1.4 releases are no longer available)

Special Thanks

• @i41nbeer for mach_portal, triple_fetch, async_wake, empty_list, multi_path and deja_xnu
• @bazad for voucher_swap and PAC bypass
• @Morpheus______ for the QiLin Toolkit (No longer used)
• @xerub for the original patchfinder64
• @iBSparkes for the machswap and machswap2
• @stek29 for the patchfinder64 additions, unlocknvram, host_get_special_port(4) patch and shenanigans bypass
• @theninjaprawn for the patchfinder64 additions
• @saurik for Cydia and Substrate
• @FCE365 for the empty_list reliability improvements
• Samg_is_a_ninja for original UI development
• @DennisBednarz for original UI design
• @Cryptiiiic for testing
• @xanDesign_ for testing
• @AppleDry05 for testing
• @AyyItzRob for testing
• @MidnightChip for testing
• @Swag_iOS for testing
• @jailbreakbuster for testing
• @Jakeashacks for testing