If you were hoping to see the iPhone 7 at WWDC 2016 on June 13, chances are, you will get disappointed. In fact, industry insiders hint that the Worldwide Developers Conference will adhere to its original purpose and stick to software and software alone. This means, most-likely leaving the iPhone announcements on their usual September schedule, but also probably skipping on any new MacBook Pro with an OLED touch display above the keyboard, that has been floating around in the rumor mill. However, this definitely doesn't mean that there are no new announcements to get excited...
Source: http://www.gsmarena.com/there_will_probably_be_no_new_hardware_at_wwdc_2016-news-18635.php