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Instead, scroll down to Troubleshooting and run the command that uses a different temporary directory. The flash script is expected to print out messages like archive does not contain 'example.img' . When you're done, restart sys-usb. If it is disposable, the changes you made will be gone. Don't forget to change the sys-usb qube settings back: Net qube: (none) System navigation GrapheneOS uses gesture navigation by default.