A:AnswerI don't have Optimum but my cable company has an app that I got through the app store - and that is what I predominantly use my iPad for So I am sure they must have something in the app store or you can check your Optimum website
A:AnswerThey usually always make sure everything’s in good condition and if theres a scratch or something they let you know and that the things that are supposed to come with an iPad are there.
A:AnswerI don't know the specifics of where you've downloaded books from before, but I know that one can download the Kindle E-Book Reader app for free from the Apple store onto the Ipad and that will allow downloading e-books off Amazon and other sites that use the same format.
A:AnswerOpen box means that it was either returned or used as store display and does not have the original box anymore but has all original accessories. Those would be sold at reduced prices, depending what condition of opened boxed product you are getting.