: It added an on-device alert to show when Safe Mode is active. Caution for Windows Users
: It resolved issues where devices would accidentally enter Safe Mode on iOS 14.2.
Officially, the checkra1n team (the Corellium team) does not provide a native Windows executable. They recommend using a bootable Linux USB or a macOS virtual machine. However, for the average user, dual-booting or running a VM is inconvenient.
Every beta release page on the official checkra1n website (checkra.in) carries this explicit caveat: checkra1n 012 1 beta windows download portable
Ensure you download checkn1x from reputable sources (GitHub) to avoid malware. Conclusion
With the USB drive still inserted, restart your computer. During startup, access the boot menu – the key varies by manufacturer (commonly F12, F2, ESC, or DEL). For Lenovo systems, press F2 during startup to enter BIOS. Select your USB drive as the boot device. Your computer will then boot into the Linux environment (bootra1n or checkn1x) rather than Windows.
Click "Select" and choose the downloaded Checkra1n ISO file. : It added an on-device alert to show
While there is no standalone Windows executable for Checkra1n 0.12.1—the developers explicitly state it is only available for macOS and Linux —the "story" for Windows users has evolved through community-made portable solutions. The Official Status
This method creates a live bootable USB stick containing a micro-Linux environment tailored purely to execute jailbreaks. What You Need: A USB flash drive (2GB or larger, all data will be erased). A Windows PC.
Checkra1n 0.12.1 is highly stable, but users should be aware of limitations: They recommend using a bootable Linux USB or
: Download a trusted checkra1n bootable image like Odysseyn1n or Checkn1n.
A USB flash drive (2GB or larger). All data on this drive .