Checkra1n 0.12.4 Beta Windows -
: Version 0.12.4 resolved many "Error -31" and "Error -20" issues that plagued earlier 0.12.x builds [5.1, 5.5]. Semi-Tethered : If your phone dies or reboots, you
This was fixed in 0.12.4; ensure you are specifically using this version. Important Considerations
If you’ve been searching for , you’ve likely run into a confusing reality: the official checkra1n team never released a native Windows version. However, that hasn’t stopped the jailbreak community from finding reliable ways to run this powerful iOS exploit on Windows machines.
Add the official Checkra1n repository or download the Linux binary directly from the official checkra.in website. checkra1n 0.12.4 beta windows
Checkra1n is a jailbreak developed based on the . This means it is a hardware-level exploit that Apple cannot patch with a simple software update, covering devices from iPhone 5S up to iPhone X. Key Features of the 0.12.4 Release:
: Connect a USB drive and use the flashing tool to write the ISO. In Rufus, ensure you select "DD Mode" when prompted to ensure the drive boots correctly.
No. The official checkra1n team has stated they will not release a native Windows version due to driver compatibility and low-level USB control issues. : Version 0
[Download Rufus & ISO] ➔ [Flash USB via Rufus] ➔ [Reboot PC to Boot Menu] ➔ [Run checkra1n]
The 0.12.4 beta update specifically resolved critical deployment bugs:
: You can't just "run" it on Windows; you have to reboot your entire computer into a specialized Linux-based USB environment [5.1, 5.6]. A11 Restrictions However, that hasn’t stopped the jailbreak community from
One of the most frequently reported errors when using checkra1n on Windows (even through bootra1n) is Error -12. This error typically occurs during the upload/download mode phase, with the device screen flashing repeatedly before the jailbreak fails and the device reboots into stock iOS.
Before building your environment, ensure your hardware fits the technical criteria: Device Generation Eligible Models iOS/iPadOS Range Hardware Caveats iPhone 5s, 6, 6 Plus, iPad Air, iPad Mini 2 & 3 iOS 12.0 – 12.5.7 High reliability; uses basic DFU protocols A9 & Go to product viewer dialog for this item. iPhone 6s, 7, 7 Plus, SE, iPad 5th Gen iOS 13.0 – 14.8.1 Full compatibility. Go to product viewer dialog for this item. Go to product viewer dialog for this item. , iPhone X iOS 14.0 – 14.8.1 Must disable Lock Screen Passcode, Touch ID, and Face ID . Necessary Materials
Once the process says "All Done," your device will reboot into a jailbroken state. Limitations and Notes for 2026
: Solidified jailbreak performance on firmwares ranging from iOS 12.0 up to iOS 14.8.1 .
~70% on first attempt for experienced users; ~40% for beginners.