Supports iOS 12.0 up to iOS 14.8.1 according to documentation on The Apple Wiki .
While jailbreaking is generally legal in the U.S. for installing legally obtained software, it does carry risks. Jailbreak iOS 14.8.1 / 14.8
If using Checkra1n on an iPhone 8 or X, you must disable the passcode/FaceID/TouchID due to SEP (Secure Enclave Processor) limitations on iOS 14. Supports iOS 12
According to McAfee's legal guide , the practice is legal for personal use but using it for digital piracy remains a violation of copyright law. 4. Preparation Checklist Before attempting a jailbreak on these versions: Jailbreak iOS 14.8.1 / 14.8
Go to Settings > General > About to confirm if you are on 14.8 or 14.8.1, as this determines if Unc0ver is an option.