I would have whipped out my Iphone and looked up the serial number right then and there. I love having instant answers, stops many a person cold. My Iphone has paid for itself many times over. The new find the lower price app is really hitting the stores big time. I can walk out if the store won't match the lower price of the same item at another retail store and I have, because the out of touch don't use the computer, manager said there was no such thing as a pricing app and snickered. He learned there was pretty darn fast. He wasn't snickering when a crowd gathered looking at the lower prices elsewhere on my phone of the same items his store was selling.