| Aspect | Details | |--------|---------| | Windows versions | 10 (1903+), 11 (tested); 7/8 not officially supported | | iOS versions | 12.0 up to 14.8.1 (also works on 15.x for A10/A11 with SEP limitations) | | Devices | iPhone 5s – iPhone X, iPad mini 2 – 2017 iPad Pro, iPod touch 7th gen | | Architecture | Requires USB DFU mode; no wireless jailbreak |
Important note: A11 devices (iPhone 8/8 Plus/X) on iOS 14 and above require passcode disabled before jailbreaking due to SEP (Secure Enclave) limitations, or Face ID/Touch ID will break.
Even as newer jailbreaks emerge, checkra1n remains historically significant. The 0.12.4 beta for Windows symbolized the democratization of hardware-level hacking—no longer requiring a Mac or Linux expertise. It opened the floodgates for thousands of Windows users to experience true root access on iPhones for the first time. checkra1n 0.12.4 beta windows
However, with the introduction of Apple’s A12 chip (iPhone XS) and later models, the checkm8 exploit no longer applies. Future jailbreaks will rely on increasingly rare kernel vulnerabilities. That makes checkra1n’s supported devices (iPhone X and older) valuable collectibles for security researchers and tweak enthusiasts.
Jailbreaking voids Apple’s software support. However, you can restore the device to stock iOS using iTunes/Finder, and the hardware warranty remains intact. | Aspect | Details | |--------|---------| | Windows
Before diving into the Windows version specifically, it’s crucial to understand the underlying technology.
Checkm8 (pronounced “checkmate”) is a bootrom exploit discovered by axi0mX in 2019. It affects hundreds of millions of devices using Apple’s A5 through A11 chips (iPhone 4s to iPhone X). Unlike typical userland exploits, checkm8 is unpatchable because it resides in read-only memory (ROM) that cannot be altered after manufacturing. However, because checkra1n is a semi-tethered jailbreak, the
checkra1n is the user-friendly jailbreak tool that implements checkm8. It allows:
However, because checkra1n is a semi-tethered jailbreak, the device becomes unjailbroken after a reboot, requiring the tool to be re-run each time—but without needing to reinstall tweaks.