The -p flag attempts the pwn exploit. You should see:
idevicerestore -e -d custom.ipsw
Various models released within the same generation as the supported iPhones. How to Use iPwnder V1.1 on Windows Ipwnder V1.1 For Windows
Essential for Windows-only users who need to use bypass tools (like those for iOS 15/16) that require a pwned DFU foundation. The Bad: Risks and Limitations Driver Issues: The -p flag attempts the pwn exploit