Those who happen to be members of Microsoft’s developer community can take the step to download the preview without having to fork out a single cent. Apart from that, it will also comprise of all the features which happen to make up the revised operating system, where among them include the much talked about Cortana personal assistant, a brand new Start screen, and the Action Center.
Microsoft has warned that this particular update might actually void device warranties, since carrier and manufacturer software updates are not part of the developer preview. It is widely expected for Microsoft to introduce Windows Phone 8.1 to the masses later this coming summer. Do bear in mind that a preview update will only include the Microsoft portion of the update, whereby mobile operator and OEM driver updates will be released when the official update for your smartphone is available.