Download the file from a trusted community source and extract the contents to your desktop. You should see an .iso or .img file. Download and launch Rufus . Insert your USB flash drive into your Windows PC.
To ensure the safety of both your computer and your iOS device, always opt for official, open-source GitHub releases like or Checkn1x when jailbreaking from a Windows machine.
The checkm8 exploit relies heavily on how a computer's USB controller interacts with an iOS device in DFU (Device Firmware Update) mode.
The checkra1n team has only ever released the tool for macOS and Linux systems. Official support for Windows was never released, as the team announced that development was ongoing but later shifted focus to other projects. justatech checkra1n 0.12.4 windows.zip
Before diving into JustaTech’s Windows adaptation, let’s cover the original software.
The lack of a native checkra1n for Windows is frustrating, but JustaTech’s wrapper does not solve it reliably. The ZIP file is outdated, unsupported, and statistically more likely to harm your system or data than to successfully jailbreak your iPhone.
The search for a native Windows version of the Checkra1n jailbreak has led many iOS enthusiasts to search for files like . Checkra1n is a highly revered jailbreak tool because it relies on the hardware-based checkm8 exploit , making it unpatchable by Apple software updates for compatible devices (iPhone 5s through iPhone X). Download the file from a trusted community source
: Follow the on-screen prompts to enter DFU Mode . The tool will then apply the exploit and install the Checkra1n loader on your device. Important Considerations
Step-by-Step Guide: How to Use Justatech Checkra1n 0.12.4 on Windows
Follow the on-screen instructions precisely to put your device into (this involves holding a combination of the Power and Volume Down/Home buttons). Insert your USB flash drive into your Windows PC
The exploit requires precise, low-level control over the USB controller to handle "heap overflow" manipulation on the iOS device while it is in DFU (Device Firmware Update) mode.
If you download justatech checkra1n 0.12.4 windows.zip and extract it, you will typically see the following instructions:
wasn't a "native" Windows rewrite of the code (which would have required a complete overhaul of how Windows handles USB drivers). Instead, it was a highly optimized, user-friendly portable environment
Click and choose the Odysseyn1x/Palen1x .iso file you downloaded. Leave all other settings at default and click Start . Wait for the flashing process to complete. Step 3: Boot into the Jailbreak Environment Keep the USB drive plugged in and restart your computer.
iPad Mini 2-4, iPad Air 1-2, iPad 5-7th Gen, iPad Pro (9.7" and 12.9").