I'm trading in my iPhone 11 Pro Max to upgrade to the iPhone 12 Pro Max. I was able to book an appointment last year at 10am and was able to do the same for 10am Nov. 13, 2020 (when they open) to purchase the iPhone 11 Pro Max 265GB Pacific Blue. Do you think the stores will have stock? I'm upgrading my 11 Pro Max, so I ahve to go into a store. Thanks in advance.