The warranty only relates to the initial purchaser who ordered the device directly from BITMAIN. After the miner is resold, warranty protection turns into the duty with the re-seller. Please notify us instantly if documents are asked for by customs as incorrect filing may perhaps lead to increased service https://usedantminerbitmain31974.mybloglicious.com/53457141/buy-bitmain-antminer-s21-hyd-best-deals-and-discounts