| | Chip | Support Status | iOS Versions | Special Instructions | |---|---|---|---|---| | iPhone 5s | A7 | ✅ Supported (varies by tool version) | iOS 12–12.5.x | - | | iPhone 6 / 6 Plus | A8 | ✅ Supported | iOS 12–12.5.x | - | | iPhone 6s / 6s Plus / SE (1st gen) | A9 | ✅ Supported | iOS 12–15.x | - | | iPhone 7 / 7 Plus | A10 | ✅ Supported | iOS 12–15.x | - | | iPhone 8 / 8 Plus | A11 | ✅ Supported | iOS 12–14.8.1 | Remove passcode; enable Skip A11 BPR check | | iPhone X | A11 | ✅ Supported | iOS 12–14.8.1 | Remove passcode; enable Skip A11 BPR check | | iPad Air 2 / Mini 4 | A8X/A8 | ✅ Supported | iOS 12–15.x | - | | iPhone XS / 11 / 12 / 13 / 14+ | A12–A15+ | ❌ Not supported | N/A | checkm8 exploit does not cover newer chips |
While the official Checkra1n tool is only available for macOS and Linux, "Just a Tech" provides a specialized ISO package that allows Windows users to create a bootable environment to run the tool. Key Features of Checkra1n 0.12.4
The "Justatech Checkra1n 0.12.4 Windows" package is a community-made solution that lets Windows users run the powerful Checkra1n jailbreak. It bypasses the need for a Mac by bundling a custom Linux environment (often bootra1n) with pre-configured Checkra1n 0.12.4 files, including detailed instructions. With this solution, users can jailbreak iOS 14.7 and specific iPadOS versions using a bootable USB drive.
: Required for iPhone 8, 8 Plus, and X (Note: You must disable the passcode on these devices).
Simple, one-click interface for creating a bootable USB. justatechcheckra1n0124windows best
Follow the on-screen countdown prompts exactly to manually put your device into (this involves holding down a combination of the Power and Volume Down/Home buttons depending on your iPhone model).
Use Rufus to burn the ISO file onto a USB drive (at least 2GB).
Click to burn the live, lightweight operating system configuration directly onto the flash drive. Step 2: Boot Your PC Into the Checkra1n Environment Keep the flash drive plugged in and restart your computer.
: Follow the on-screen prompts to enter Recovery Mode. | | Chip | Support Status | iOS
For an iPhone 8 or X on iOS 14, ensure is selected.
This article dissects the keyword, explores what checkra1n is, why Windows users struggle, and whether this specific combination delivers on its promise of being the “best.”
Checkra1n is a semi-tethered jailbreak. If your device reboots or runs out of battery, it will return to a normal, unjailbroken state. You will need to plug it back into your PC running the Just-A-Tech tool to re-inject the exploit.
If you need to jailbreak an iPhone 5s through iPhone X on Windows: With this solution, users can jailbreak iOS 14
If your iOS device powers down or reboots, the jailbreak state will temporarily deactivate. Your tweaks will be disabled until you plug the device back into the Justatech USB environment and run the process again.
Select . The tool will automatically transition your device into Recovery Mode .
Because Checkra1n is a , your system relies on specific upkeep rules to maintain peak performance:
The Checkra1n 0.12.4 beta release introduced critical stability upgrades to the permanent . Unlike software-based jailbreaks that fail when Apple patches system code, Checkra1n targets a physical vulnerability in the device bootrom. Version 0.12.4 provides specific structural updates:
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