A This only needs to be done if downgrading software version to a lower version.
DEV software and a serial to usb cable is needed along putty config on your laptop. See Software engineering for cable.
Plug the serial cable into the shuffler and the usb into your laptop.
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On your laptop go to Device Manager to see what port the serial connection is using:
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When the SSD erase is complete unplug the serial cable from the shuffler and reboot. . The shuffler will need to be completely setup.