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=007201604120945219855QObfk20066C
there is no instructions on how to do it.
very simply you just need to write onto the SD and insert SD into control board, these should help:
How to insert SD card into antminer (this is a D3 same thing)
https://www.youtube.com/watch?v=Tbub6Jyx974installing firmware antminer through SD card
https://www.youtube.com/watch?v=UQhYFrJaq0E