Microsoft is planning to allow Windows Phone developers to load Mango onto their devices, WinRumors has learned.
The software giant will allow Windows Phone developers to load the Mango operating system onto retail devices in around a months time. Speaking informally at a Windows Phone Mango VIP event in London on Tuesday, Achim Berg, Microsoft’s corporate vice president of Windows Phone marketing told WinRumors that the company would release the bits in around four weeks time. Microsoft’s Brandon Watson previously revealed, at MIX 2011, that Microsoft was working to allow developers to use Mango on Windows Phone hardware.
Joe Belfiore, Microsoft’s Corporate Vice President of Windows Phone, also confirmed the company’s plans to release the bits in a twitter message on Tuesday, spotted by The Next Web:

Joe Belfiore's Mango tweet
Microsoft unveiled a number of new Windows Phone Mango features on Tuesday. Mango will include over 500 new features ranging from multitasking through to some major Bing search improvements.