Requirement: 64-bit Intel CPU, Mac OS X 10.7 or later.
XR not supported? · Issue #265 · checkra1n/BugTracker - GitHub
Here’s how to fix it:
Checkra1n is a semi-tethered jailbreak built on the "checkm8" exploit. A semi-tethered jailbreak means that if your device reboots, it will return to a non-jailbroken state. You will need to reconnect it to a computer running the exploit to enable the jailbreak environment again.
It was a sunny Saturday morning for Alex, a tech-savvy individual who loved to tinker with his iPhone. He had been waiting for what felt like an eternity for a reliable jailbreak tool to become available for his device, which was running iOS 12.5.5. After months of searching, he finally stumbled upon checkra1n, a popular jailbreak tool that supported his device and iOS version.
Download the free, official portable version of BalenaEtcher or Rufus to burn the ISO image onto your flash drive. Step 2: Create a Bootable Checkra1n USB on Windows download checkra1n for windows ios 12.5.5
Tap on (the package manager) and select Install Package .
If you are holding an older iPhone, iPad, or iPod touch stuck on , you may feel left behind by modern jailbreaks. However, the checkra1n jailbreak—based on the unpatchable hardware exploit "checkm8"—remains a powerful solution. This article explains everything you need to know about using checkra1n from a Windows PC to jailbreak iOS 12.5.5.
The iOS 12.5.5 update keeps older Apple devices like the iPhone 5s, iPhone 6, and iPad Air secure. If you want to customize your legacy device, jailbreaking with Checkra1n is the most stable option available. Checkra1n uses a hardware-based vulnerability that Apple cannot patch with software updates.
If you are holding an older iPhone, iPad, or iPod touch running , you are in a unique position. While modern devices are locked down, Apple’s legacy devices still have a backdoor—thanks to the checkm8 bootrom exploit. This exploit is the foundation of checkra1n , one of the most powerful jailbreak tools ever created. XR not supported
iOS 12.5.5 (as well as revisions up to iOS 12.5.7). Supported Devices:
Wait up to two minutes for the icon to appear on your home screen. Tap to open it. Select Cydia , then tap Install Package .
There is no of checkra1n for Windows. The developers at the official checkra1n website have stated they plan to release a Windows GUI version eventually, but as of April 2026, it has not been released.
You need two things:
Wait for Rufus to finish formatting. Close the program once the status bar turns green and reads "Ready." Step 3: Boot Your PC Into Linux Keep the USB drive connected and restart your computer.
As soon as the screen goes black, tap your computer motherboard's repeatedly.
However, there is a twist: checkra1n was originally designed for macOS and Linux. So how do you to jailbreak iOS 12.5.5? This article will explain everything: what checkra1n is, why iOS 12.5.5 matters, the official Windows options, and a step-by-step guide to getting it done safely.