I can provide more detailed troubleshooting steps once I know your setup.
iPwnDer is not a "one size fits all" tool. Because it relies on hardware exploits, it is limited to specific Apple chipsets. Supported Devices: iPhone 5S, iPad Air 1, iPad Mini 2/3. A8/A8X Devices: iPhone 6/6 Plus, iPad Air 2, iPad Mini 4. ipwnder for windows
Once in Pwned DFU, you can use other tools to remove screen locks, bypass iCloud, or flash custom firmware. Risks and Ethical Considerations I can provide more detailed troubleshooting steps once