Unknown Sony Ericsson Windows Phone 7 Prototype Leaks

Sony Ericsson yet to announce any Windows Phone 7 running mobile phones on their side. After Nokia confirms Windows Phone 7 as their primary mobile OS, we are waiting for other major manufacturers for their appearance. Now Sony Ericsson Windows Phone 7 prototype leaks over the internet. We are not quite sure that is it original or not. From the photo, we are able to guess that it has a 3.5’’ display with full four row QWERTY keyboard. Name, Processor and other information is still a mystery.