If faulty on arrival, the client will get a comprehensive refund immediately and no return with the miner is needed. It is necessary to note that the guarantee doesn't cover damage to the devices due to misuse, failure to stick to running instructions, or physical harm resulting from incorrect operation. https://antminer-s19-xp-hyd-255th80123.laowaiblog.com/32912749/little-known-facts-about-antminer-s19-xp-hyd-255th