From the App Hub’s news comes information on how to update your Windows Phone to Mango today in order to test those apps you have been building with on real hardware.

The Windows Phone Developer team is pleased to announce the immediate availability of Windows Phone OS 7.1 codenamed Mango for registered Windows Phone developers.

If you're registered for Windows Phone Marketplace, you'll receive an invitation from Microsoft Connect that will provide access to a firmware update for your retail Windows Phone device.