Last week, the Windows Phone Developer team announced the availability of Windows Phone OS 7.1 codenamed Mango for registered Windows Phone developers. This means that as of now, registered developers can update their retail device to the Beta 2 of Mango.

Here are some details about this program:

Another great announcement: students can get a free special Mango developer device, by creating a mock-up for the next Windows Phone app!

Here’s what to do:

Some resources: