Studio Spot 575 UPLD

I have 2 Spot 575 giving me a "UPLD" message and wont respond to my consoles or fixture menu. the first one went down last week mid-show. So, on tech day (today), I decided to update the firmware in all 12 of my fixtures. Another fixture went down in the middle of the firmware upload. Any suggestions would be very helpful. Thank you in advance
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