BitmainWarranty.com offers US warranty services for 90 days from the shipping date. (NOT 90-day from the day you received it)
You can return it to the following address for repair/exchange.
EU customer, please contact firstname.lastname@example.org for shipping instruction.
3700 Quebec Street
Denver, Colorado 80207
Tel: 844-248-6246 Option 2
(USA County Code is 1)
Please include the Printed Bitmaintech.com Original Order Confirmation Page with the tracking number. Also, please include a Printed Note with your shipping address and telephone number and the description of the problem.
*Please use a shipping method with a tracking number for your record.