Please read carefully the terms stated in the policy of our barter to ensure the product is changed to satisfy all of the following conditions:
After the purchase within 07 days, if the technical errors from the manufacturer, we are committed to exchange new products for customers.
Products no signs used.
Products not stain, scratch, damaged, sticky chemical or pry open signs.
Parts, components, accessories, documentation manuals, technical documentation (if any), ... shall remain in full and no signs were used.