1.To stop the spread of virus within the firmware, which might result in damage to the ANTMINER S19 series, the location functionality of “Protected Boot” has become switched on along with the “Root Authority” operate is disabled. In the meantime, BITMAIN joins hands with its companions, such as the environment's https://bitmain-antminer-s21e-xp13456.jaiblogs.com/61482805/antminer-bitmain-t21-no-further-a-mystery