If defective on arrival, the customer will get a entire refund straight away and no return on the miner is necessary.?? ?? ?? ?? ?? ?? ?? ??? ?? ??? ???? ??? ?? ????? ????????? ???? ??? ?????? ???? ????? ???? ????? ???? ? ?????? ?????? ?? ?? ??? ???? ???? ???.Notice: All copyright payments on the web site we acquire are quickly exchanged to USDT. I