One.To forestall the unfold of virus in the firmware, which might result in harm to the ANTMINER S19 series, the placing functionality of “Safe Boot” continues to be switched on plus the “Root Authority” function has actually been disabled. If authorized, your refund will likely be processed in 7 days. https://erickwjjyh.rimmablog.com/33630866/antminer-bitmain-t21-an-overview