Justatech Checkra1n 0.12.4 Windows.zip -
Once your device boots, look for the Checkra1n loader app on your home screen. Open it to install Tethering: semi-tethered
This guide outlines how to use Justatech's Checkra1n 0.12.4 Windows package to jailbreak compatible iOS devices. Because
This specific update is a hotfix release that primarily focuses on stability and expanded support: Officially supports iOS 12.0 up to iOS 14.8.1 . justatech checkra1n 0.12.4 windows.zip
Officially supports iOS 12, 13, and 14, with some compatibility up to iOS 15/16 depending on the device.
Reboot your PC, enter your BIOS/UEFI boot menu, and select the USB drive. Once your device boots, look for the Checkra1n
If your device prompts you, tap and enter your passcode.
Checkra1n is a semi-tethered jailbreak based on the "checkm8" bootrom exploit. Because this exploit targets hardware rather than software, it cannot be patched by Apple updates for supported devices. Officially supports iOS 12, 13, and 14, with
Because it's a hardware flaw, checkm8 cannot be patched by a software update from Apple. This makes checkra1n a "permanent" jailbreak in the sense that any device with a vulnerable chip will always be susceptible to it, regardless of its iOS version.
: Always backup your data before attempting a jailbreak. Using third-party "repacks" like Justatech is common for Windows users, but ensure you download from verified community sources whenever possible.