You can just buy a new control board from Bitmain. I am 99% sure you can reload the software from an SD card just like you can if you brick an L3+
I personally just ordered a new control board $60 USD + postage
Thanks for the answer, I have been trying to reload the software from an SD card, but in
https://shop.bitmain.com/support.htm?pid=007201604120945219855QObfk20066Cthere is no instructions on how to do it.