If you choose to look for this specific file, ensure you are downloading it from a verified creator's official video description or safe repository, and ensure it is an , not a Windows executable file ( .exe ). For the safest, most updated experience, skip the outdated zip files altogether and use modern, actively maintained GitHub projects like Palen1x to jailbreak your device securely. To help point you in the right direction, let me know: What model of iPhone/iPad are you trying to jailbreak? Which iOS version is currently installed on that device? Do you have a USB flash drive available to use?
If your device is running a newer minor version of iOS that isn't officially validated by version 0.12.4, use the keyboard arrow keys to navigate to , press Enter, select Allow untested iOS/iPadOS/tvOS versions , and turn it on.
: This is a semi-tethered jailbreak. If your device restarts, you must reconnect it to your computer and rerun the tool to re-enable the jailbreak. Installation Overview To use this version, you typically follow these steps: justatech checkra1n 0.12.4 windows.zip
: Version 0.12.4 specifically resolved boot issues for A9X devices (like the iPad Pro) that occurred on iOS 14.5.
: Restart your PC and enter the BIOS or Boot Manager to select the USB drive as the primary boot device. Configure Checkra1n Options , select "Allow untested iOS/iPadOS/tvOS versions". A11 devices If you choose to look for this specific
Since checkra1n requires a low-level USB connection that Windows cannot natively provide, you cannot run it as a normal .exe file. Instead:
You need a USB flash drive with at least 4GB of storage space. Note that this process completely erases the flash drive. Which iOS version is currently installed on that device
JustaTech Checkra1n 0.12.4 Windows package is a third-party tool designed to let you jailbreak compatible iPhones and iPads (iPhone 5s through iPhone X) directly from a Windows environment. Since the official Checkra1n
: Restart your PC and enter the BIOS/Boot Menu to select the USB drive as the primary boot device. Run Jailbreak : Follow the on-screen instructions to put your device into Important Safety and Device Notes
For iPhone 8, 8 Plus, and X users, you must enable the "Skip A11 BPR check" in options and note that you cannot use a passcode or Touch ID/Face ID while jailbroken. How to Use the Windows Tool