Ipwnder — For Windows
Windows is not seeing the device in DFU mode, or driver is incorrect.
Legacy iOS collectors, downgrader enthusiasts, and developers working with iPhone 4s on Windows. If you are just trying to jailbreak an old phone, use RedSn0w or checkra1n instead. ipwnder for windows
The checkm8 exploit relies on precise microsecond timing. If the tool gets stuck in a loop, change the USB port you are using. Always prioritize USB 2.0 ports over USB 3.0, and avoid using external USB hubs. Windows is not seeing the device in DFU