Step 1: Download the Package
Search for the official JustaTech 0124 Windows release. Look for a file named JustaTech_Checkra1n_0124_Win_Setup.exe. Ensure the SHA256 hash matches the one posted on the official thread to avoid malware.
Step 2: Install Boot Drivers Run the installer as Administrator. During installation, check the box that says "Install Apple DFU Drivers (WinUSB)". This is the secret sauce of the "best" version. Allow the driver installation even if Windows warns you it is unsigned.
Step 3: Connect Your iPhone Connect your iPhone to the PC. If iTunes opens, close it immediately. iTunes interferes with checkra1n. justatechcheckra1n0124windows best
Step 4: Launch the Tool Open the JustaTech Checkra1n launcher. The interface will look identical to the macOS version. You will see "Start" in the bottom right.
Step 5: Enter DFU Mode (Crucial Step) Click "Start." The tool will ask you to put your device into DFU mode. Do not use Recovery mode. Hold the Power + Home button (or Power + Volume Down for iPhone 7/8/X) for exactly 4 seconds. Release the Power button but keep holding the other button for 10 seconds. Step 1: Download the Package Search for the
The "0124" build has a visual timer that helps with this timing—something other Windows ports lack.
Step 6: Let the Exploit Run If you see a rainbow of text scrolling down (the checkm8 exploit), do not touch the cable. The phone screen will flash white and then go black. After 30 seconds, the checkra1n loader app will appear on your iOS home screen. True native Windows support does not exist due
Step 7: Install Cydia Open the "checkra1n" app on your iPhone. Tap "Install Cydia." Your phone will respring, and you are done.
Alex loved tinkering. One rainy afternoon they stumbled across a terse forum post: “justatechcheckra1n0124windows best.” It sounded like a niche recommendation—someone praising a tool or build for jailbreaking iPhones on Windows—but it was thin on detail and full of shorthand. Alex set out to make sense of it.
Most “checkra1n for Windows” tools are wrappers that either:
True native Windows support does not exist due to low-level USB and kernel access requirements.