1. We guarantee that 100% fully into the system board tests OK, then arrange express shipping, 45 days warranty.
2. Courier transport:    DHL, UPS, EMS, TNT, Fedex.
3 shows the product warranty and refunds:
A): Full warranty against any defective product (in addition to man-made damage and physical damage);
B): Refund is for the product price only;
C): Handling, postage and shipping charges are not refundable;
D):The products in question, the buyer must be returned within 20 days after receipt of goods. Otherwise, give buyers a refund;
E): Refund or replacement will be arrange after receipt of the returned item  ;