Refund and Returns

Purchases cannot be cancelled or refunded.



If a customer were to receive a miner that is determined to be defective, they will be offered a replacement miner. To be eligible for a replacement your item must be under warranty, deemed to be defective by Tminer Support and the miner housing must be unopened. You’ll also need to provide the receipt or the proof of purchase.




Please submit your request using at We will notify you of troubleshooting progress and if your unit has been approved for a replacement once troubleshooting has been completed.




Limited Warranty

Who is covered


This warranty is only extended to the original end-user purchaser for 12 months from the date of delivery. Products purchased on third party websites, auction sites, or from other users do not carry any warranty.



What is covered


In the event that Tnuber determines, in its reasonable discretion, that the defect in a product was not caused by the customer or a third party, Tminer, at its sole discretion, will either (i) remedy the defect, or (ii) replace the defective product with a new or refurbished product.


Products provided as replacements under the RMA service will remain under the original product’s warranty. The warranty date will not change or reset due to any RMA service performed.



What is not covered


The warranty does not cover defects or malfunction caused by misuse, abuse or improper maintenance, failure to follow operating instructions, or use of third-party equipment. Additionally, the warranty will not apply to damage caused by unauthorized alteration, modification or repair of the product.