Trying to purchase what is usually offered when buying a new smartphone from Ebay, the problem is I forgot to check the box before paying. How do I get the insurance now?

Insurance for a new phone I just recently purchased from eBay but I forgot to check the box for the | Ask a Mentor

Insurance for a new phone I just recently purchased from eBay but I forgot to check the box for the | Ask a Mentor | eBay Community