If faulty on arrival, the client will receive a total refund immediately and no return of the miner is required. It's important to notice which the guarantee doesn't deal with damage to the products resulting from misuse, failure to stick to operating instructions, or physical harm resulting from improper operation. https://antminers19xphyd255th65206.dbblog.net/7221859/new-step-by-step-map-for-antminer-s19-xp-hyd-255th