Microsoft Releases Developer Preview of Windows Phone 8.1
Microsoft today made available a preview version of Windows Phone 8.1. The operating system is in its penultimate form and available to developers for testing purposes ahead of the general release. Members of Microsoft's developer community may download the preview for free. It includes all the features that are part of the revised operating system, including Cortana, the personal assistant, new Start screen, and Action Center. Microsoft warns that the update may void device warranties. Carrier and manufacturer software updates are not included in the developer preview. Microsoft expects to release Windows Phone 8.1 to the general public over the summer.