One.To forestall the unfold of virus in the firmware, which might lead to damage to the ANTMINER S19 collection, the placing perform of “Secure Boot” has long been switched on and also the “Root Authority” functionality has long been disabled. If authorised, your refund is going to be processed in https://bitmainantminer75062.ourcodeblog.com/34787444/new-step-by-step-map-for-antminer-bitmain-t21