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Do you mean the MK VII? Are you trying to factory reset it or provision a new unit? I'm getting mixed signals. You can only go through the first-time setup once. If you plug a USB drive into a Pineapple that has already been setup, there won't be factory firmware that will know to look for and flash firmware from USB. Used to be a manual process, too. I think the USB method was pretty tricky to get working, in fact.