You must check the packaging very well and verify that they are in perfect condition in the company of the transporter before signing the guide. In case of evidence of a fault in the packaging, do not receive the product or sign the guide, if you sign without reviewing you will lose the right to claim.
For the claim to be valid, you must keep the original packaging, accessories and manuals; in addition to not showing use and placing a claim within a period of no more than 48 hours.