To download checkra1n for a device running iOS 12.5.5 on a Windows PC, it is important to know that there is no official native Windows application from the developers at
iOS 12.5.5 was released specifically to patch security vulnerabilities. Because checkra1n is a hardware-based exploit (checkm8), it technically works on the devices supported by the exploit, regardless of the iOS version.
Open Rufus, select your USB drive and the downloaded ISO file. Click Start and select Write in DD image mode. Boot from USB: download checkra1n for windows ios 12.5.5
The most important thing to clarify immediately is the official status of the software.
Connect your device and follow the on-screen instructions to enter After "All Done" appears, reboot back to Windows. Method 2: WinRa1n (Native Windows Tool) To download checkra1n for a device running iOS 12
Jailbreak: Run the app as Administrator, connect your device, and follow the prompts to enter DFU mode. Important Notes
BalenaEtcher: A tool to "flash" the ISO file onto your USB drive. Download BalenaEtcher. Click Start and select Write in DD image mode
Under Boot selection, click "Select" and choose the checkn1x ISO file you downloaded.
Backup: Always back up your device before jailbreaking to avoid data loss if an error occurs.