Just run this program (make sure you’ve got it in PWN’d dfu mode) and click start server, Go to itunes and use the downloaded firmware you have downloaded.If you don't have any devices configured, then you need to either connect a device via USB or create an AVD to use the Android Emulator. Apple Provides Instructions to Fix macOS Reinstallation Errors on M1 Macs.90 for my MacBook Air M1, running Mac OS Big Sur, Replace this section with a description of the problem, including: What you did: used the cmd -'pkg install -forge control signal ' in the cmd window What you expected to happen: successful installation of pkg Failed to copy auth install options in dfu mode m1 If you feel the device is not in the DFU mode, repeat the steps after pressing the Start button on your device.