Release Date: Late 2020 / Early 2021 (still relevant as a legacy tool as of 2026)
Developer: The checkra1n team (axi0mX, qwertyoruiop, et al.)
Based on: checkm8 bootrom exploit (permanent, unpatchable by Apple for A5–A11 chips)
Checkra1n 0.12.4 beta for Windows is a testament to the ingenuity of the jailbreak community. Despite never receiving official blessing, it delivers the raw power of the checkm8 bootrom exploit to the world’s most popular desktop OS.
Whether you’re a tweak developer, a privacy enthusiast, or just someone who wants to customize their iPhone beyond Apple’s limits, this tool offers a free and accessible gateway. Just remember to backup your data, disable your passcode temporarily, and download from trusted GitHub sources. checkra1n 0.12.4 beta windows
For Windows users, the dream of an untethered-style jailbreak is no longer a myth – it’s a command line away.
Disclaimer: Jailbreaking may violate your device’s warranty and Apple’s terms of service. The author is not responsible for any data loss, device bricking, or security issues resulting from using this tool. Use at your own risk. Release Date: Late 2020 / Early 2021 (still
The simplest and most reliable method.
Many users confuse checkra1n 0.12.4 beta for Windows with Palera1n. Here is a quick comparison: The simplest and most reliable method
| Feature | Checkra1n 0.12.4 Windows | Palera1n-c (Windows) | |---------|---------------------------|-----------------------| | iOS support | iOS 12.0 – 14.8.1 | iOS 15.0 – 15.8.3 (plus iOS 16/17 beta for A11) | | Boot Time | 15 sec | 45 sec – 2 min | | Package Manager | Cydia only | Sileo, Zebra, Installer | | Passcode Support | No (A11) / Yes (A10) | No (must be disabled on all) | | Windows GUI | Broken in most builds | CLI + optional GUI (Palera1n-GUI) |
Our recommendation: Use checkra1n 0.12.4 Windows only if you are on iOS 14.x. If you are on iOS 15 or higher, switch to Palera1n-c for Windows.
Yes – the checkm8 exploit is hardware-based and does not alter the SEP or baseband. However, jailbreaking voids your warranty (though you can restore via iTunes).