The guys at Engadget have managed to grab a very interesting piece if news regarding Windows Phone 7. Michael Halbherr, Executive Vice President for Location and Commerce, told Engadget ” Apollo update will come in mid-2012 and it will be a very different game to Mango.
Apollo, as far as I know is a major update. It might actually be a code-name for Windows Phone 8. And there is a Tango update too lined in the pipeline between Mango and Apollo!!