Nokia and Microsoft jointly conducting a press conference on September 5th in New York. Its a Windows Phone event, you we can expect more details of Windows Phone 8 and may be surprised with new range of Lumia Windows Phone 8 devices from Nokia. Microsoft may officially release Windows Phone 8 SDK to developers. This event is happening before the next iPhone rumoured launch and important for both Microsoft and Nokia to hold Windows Phone users to not to switch to the next iPhone.