Historically, getting Odyssey to work on iOS 12.5.7 Windows was difficult because the official tool didn't support the 12.5.x "WKWebView" exploit out of the box. However, the community has created patched versions.
Always create a full backup via iTunes or iCloud.
palera1n is the only jailbreak that supports iOS 12.5.7 because it exploits the checkm8 bootrom vulnerability—a hardware flaw Apple cannot patch on A5-A11 chips. Your iPhone 5s, 6, or 6 Plus uses an A7 or A8 chip, which is fully compatible. jailbreak ios 12.5.7 windows
Use a high-quality MFi-certified Lightning cable.
Jailbreaking voids your warranty (though your device is likely out of warranty anyway) and may expose your device to security risks. This guide is for educational purposes. Always back up your data via iCloud or iTunes before proceeding. Historically, getting Odyssey to work on iOS 12
For those willing to spend 20 minutes creating a bootable USB, the reward is a fully customizable, de-bloated iPhone 6 or 5s running faster than it has in years.
Checkra1n is "semi-tethered." If your battery dies or you restart the phone, the jailbreak disappears. You must plug it back into the USB boot drive to re-enable it. palera1n is the only jailbreak that supports iOS 12
Windows Defender and third-party antivirus software often flag jailbreak tools as malicious (due to their nature of exploiting system vulnerabilities) or block the necessary USB drivers.