There are financial risks associated with mining cryptocurrencies. These risks can be related to changes in exchange rate of the cryptocurrency or to changes in the algorithm that is used to mine the cryptocurrency. Please deliberate well before making a purchase because we will not accept any requests for refund for our miners.
If any quality problems, please send email to miner_support#innosilicon.com.cn. They will reply your email within 24 hours. And also, Innosilicon will have a Road Show at USA at Aug. You could follow closely with their facebook or twitter and so on.
And also they are preparing a repair spot in USA, please be kindly wait.
Again, since the cost is too high, we don’t accept any return or refund. So please THINK VERY CLEAR before you order. Otherwise, both seller and buyer feel very bad experience.