Capable of running in offline environments without a constant internet connection.
This version introduced several critical updates to improve stability and user experience on Windows:
Officially supports iOS 17.x (specifically tested up to 17.3) using the integrated Palera1n rootless mode. winra1n 21 jailbreak ios 17x support top
The jailbreak tool is a Windows-based solution that allows users to jailbreak iOS 12 through iOS 17. It primarily serves as a GUI-friendly alternative for Windows users to execute the checkm8 bootrom exploit, which is a permanent hardware-level vulnerability. Compatibility & Device Support
Defaults to using UsbDK for AMD CPUs to ensure better driver stability. Capable of running in offline environments without a
Allows for customizable Ramdisk and Overlay options. Important Risks and Limitations
WinRa1n 2.1 is designed for devices equipped with . Because it relies on a hardware exploit, it works regardless of the iOS version, provided the device falls within the supported chip range. It primarily serves as a GUI-friendly alternative for
Combines CheckM8 , Checkra1n (0.12.4 and 0.1337.1), and Palera1n into a single package.