checkra1n is a semi-tethered jailbreak based on the hardware-level (compatible with iPhone 5s – iPhone X, iOS 12.0 – 14.8.1). Version 0.12.1 beta added:
Enter your PC’s BIOS settings (usually by pressing Del or F2 at boot) and disable Secure Boot . Ensure your boot mode accommodates legacy or UEFI matching your flash configuration. Conclusion checkra1n 012 1 beta windows download portable