three) Attempt to update the flash method with SD card;When the Handle board card Restoration device must start off Typically, the following two techniques are demanded: Repair approach: check the appearance, evaluate the chip capacitor or resistance in front, generally it's because of very poor chip soldering or even https://antminer-s19-pro-hashboar42085.link4blogs.com/53137121/the-2-minute-rule-for-antminer-s19-hashboard