Everything is applicable for the online purchase just as we buy in a store except that we get it for a very cheaper price I have purchased many many products from Amazon and all of them are genuine and their respective warranties are covered perfectly by the manufacturers. Even if there is an issue then Amazon refunds the entire ’immediately’. Just make sure to read the seller reviews and look for ’Amazon Fulfilled’ Badge next to the price before making a purchase.Let’s leave all the Fancy Terms that is used to describe the iPhone 6s like 3D touch, A9 and 7000 Series Aluminium Etc., The following are what I feel as a simple average user.It is very easy to use. Just set it up and start using it.ineed not do things very nice phone I recomend for u please buy it