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There are 4 ways to boot into upgrade mode:
Function
key 3 times in 2 seconds, then release the key. You will see the Power LED (Red) blink for about 3 seconds.SPACE
on your keyboard at the moment of bootup to stop autoboot. This step will let Edge2 boot into U-Boot command line.run update
in the terminal of U-Boot. The Red LED will turn ON when you’ve entered Upgrade Mode.