This is an introductory article which explains what futurerestore is and how it works, as well as how to follow our futurerestore guides to upgrade/downgrade your device.
Before attempting any of the guides, everyone should read this article. It explains whether the guides apply to you, and if they do, which ones you should follow, as well as making sure that you fulfil the requirements for it to work. Not everyone can use futurerestore.