In a change of pace, the next iPhone could be released during WWDC this year, rather than sometime after, say sources identified as "familiar with the situation." Since the introduction of the original iPhone, Apple has made it a habit to announce new models at WWDC, then launch them online and/or at retail a few weeks later. If the sources are correct, a next-generation iPhone could go on sale as soon as June 7th, when Apple will probably host the WWDC 2010 keynote.