Undecimus is an iOS jailbreak tool and firmware exploit utility designed to remove software restrictions and elevate system privileges on devices running iOS 11.0 through 12.4. It serves as a software implementation for bypassing system limits and performing unauthorized system modifications.
The project functions as an installer for third-party package managers and substrates, enabling the deployment of alternative application stores. It also includes system recovery tools to diagnose errors and repair corrupted system packages following firmware modifications.
The toolset covers low-level system modification capabilities, including bootloader patching, kernel-level exploits, and dynamic library injection. It further provides utilities for system diagnostics, package integrity repair, and system data migration.