It is "semi-tethered," meaning you need a computer to reboot into a jailbroken state if the device powers off. Unc0ver (Software-Based):
Only works on devices with the A7 through A11 chips (iPhone 5s through iPhone X). Jailbreak iOS 14.8.1 / 14.8
Generally not supported by Unc0ver; users on 14.8.1 with newer devices (A12+) often have limited or no options compared to those on 14.8. Detailed version history can be found on The Apple Wiki's Unc0ver page . 2. Key Differences and Requirements Install Method Computer (macOS/Linux) App-based (IPA sideloading) Exploit Type Bootrom (Hardware) Kernel (Software) Stability Extremely High Persistence Semi-Tethered Semi-Untethered 3. Legal and Security Considerations It is "semi-tethered," meaning you need a computer
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. Detailed version history can be found on The
The two most reliable tools for these versions are and Unc0ver . Checkra1n (Hardware-Based):
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.