Hold the Option key on startup. Select the yellow EFI boot icon. Then run the installer.
from the official GitHub repository (Dortania). jailbreak macbook pro 2012
Jailbreaking is a specific exploit that removes software restrictions on iOS (Apple’s mobile operating system). macOS, the operating system on your MacBook Pro, is already open. You are the administrator. You can install software from anywhere, modify system files, and even overwrite the kernel—all without needing a "jailbreak." Hold the Option key on startup
Your 2012 MacBook Pro runs macOS Sonoma as smoothly as a 2017 model. You get Continuity Camera, Live Text, and all the security updates Apple denied you. Method 2: Linux – The Permanent Jailbreak If you truly want to leave Apple’s ecosystem entirely, Linux is the ultimate unlock. You aren't "jailbreaking"—you're installing a completely free, open-source operating system that will never expire or slow down. from the official GitHub repository (Dortania)
After the new macOS boots, run OCLP again and click “Post-Install Root Patch.” This is the actual “jailbreak” moment—it rewrites system kernel extensions to make your Wi-Fi and graphics work.
Run the app, click “Build OpenCore,” then “Install OpenCore to USB drive.”
Use the patcher’s “Create macOS Installer” feature to download Sonoma or Sequoia.