Supports up to iOS 14.8 for specific devices.
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. Jailbreak iOS 14.8.1 / 14.8
It is "semi-tethered," meaning you need a computer to reboot into a jailbroken state if the device powers off. Unc0ver (Software-Based): Supports up to iOS 14
Primarily targets A12 and A13 devices (iPhone XS through iPhone 11 series). Jailbreak iOS 14.8.1 / 14.8
Bypassing Apple's "walled garden" removes sandboxing protections, potentially exposing the device to malware. Security experts at McAfee note that while it grants freedom, it also voids certain software warranties and stops official OTA updates.