I have S9 12.93TH hashboard sent to bitmain HK for repair (out of warranty), they said it cannot be repaired anymore. WHY cannot? anyone know who can repair this? in US?
Look 3 posts above your query... You answer is there.
Or, Google "antminer s9 hash board repair" for even more options.... Why does it seem no one these days knows how to use a search engine?