If defective on arrival, the buyer will receive a complete refund promptly and no return of your miner is required. 자주 하는 질문 사기 주의 보증 확인 주문을 추적 펌웨어 다운로드 우리의 메일 링리스트에 가입하세요 The warranty only relates to the original purchaser who purchased the equipment straight from NiceAsicMiner. https://antminers19xphyd255th05824.oblogation.com/33097757/the-ultimate-guide-to-antminer-s19-xp-hyd-255th