1. Login our official website www.bitmain.com and go into the "user center".
2.Your list of orders can be found by clicking on 'Sales Order', the list of all orders will be listed. You can sort them out by clicking under the various tabs to the right of 'All Orders'
3.Please click "unpaid" column first to find your unpaid pre-order,then click "pay" button shown in the picture below then you will see the details about the pre-order. Kindly pay at least the minimum down payment amount ASAP to confirm your order.(Please select the correct payment method for your order. We cannot accept USD wire transfers to existing BTC/BCH orders. Thank you for your cooperation.)