Checkra1n is a permanent, hardware-based jailbreak utility. Because it exploits a vulnerability located inside the read-only BootROM ( checkm8 ), Apple cannot patch this exploit with standard iOS software updates.
[Download Rufus & ISO] ➔ [Flash USB via Rufus] ➔ [Reboot PC to Boot Menu] ➔ [Run checkra1n]
As of the latest official releases, there is no direct .exe file for Checkra1n. The team officially supports macOS and Linux.
checkra1n supports iOS 12–14 and installs Cydia. palera1n is a newer jailbreak that supports iOS 15–17 on the same devices. palera1n is more actively maintained.
Click the button under "Boot selection" and choose the checkra1n/jailbreak ISO file you downloaded. Leave all other settings at their defaults and click Start .
Once the tool says "All Done," your device will reboot into a jailbroken state. You can unplug the USB, restart your PC normally to return to Windows, and open the checkra1n loader app on your device's home screen to install Cydia. Frequently Asked Questions Is checkra1n 0.12.4 a tethered or untethered jailbreak?
Run the tool using terminal commands ( sudo checkra1n ) to launch the 0.12.4 beta interface. Key Compatibility and Limitations
: Force restart your device (Volume Down + Power) and try again. 🔒 Final Considerations
Despite being a landmark release, checkra1n 0.12.4 beta for Windows is not without flaws. Here are common problems and solutions.
Before you begin any jailbreak process, follow these steps to ensure the best chance of success:
Click the "Flash & JB" tab at the top menu, then select "Jailbreak."
Use a different USB port altogether, preferably on the back of the computer motherboard if using a desktop PC.