Ensure you used the chmod 755 command and are running the tool with sudo .
Manually put your device into (the screen should remain black). In Terminal, run the tool using: sudo ./iPwnder -p Use code with caution. ipwnder+v11+install
While some versions exist for Windows, iPwnder is most stable on macOS (macOS 10.13 High Sierra or newer) due to its native handling of USB DFU protocols. Ensure you used the chmod 755 command and
This is common with "checkm8" tools. Simply unplug the device, restart it, put it back into DFU mode, and try again. put it back into DFU mode