1.To avoid the unfold of virus in the firmware, which can trigger harm to the ANTMINER S19 sequence, the location perform of “Protected Boot” has been switched on and also the “Root Authority” function has long been disabled. If there is an issue Together with the miner within 30 days https://bitmainantminers21exphyd352844.ampblogs.com/not-known-facts-about-bitmain-antminer-s21e-xp-hyd-3u-71277141