Reuters seems to confirm circulating rumors and expectations that Apple will be moving from the traditional 30-pin dock connector to a smaller 19-pin version for its next generation iPhone:
Reuters also seems to confirm that the headphone jack of the new iPhone will move to the bottom of the device, as shown here:The iPhone 5, Apple's next generation iPhone expected to go on sale around October, will come with a 19-pin connector port at the bottom instead of the proprietary 30-pin port "to make room for the earphone moving to the bottom", two sources familiar with the matter told Reuters.
This image shows the new dock-connector and headphone jack location (right) as compared to the currently shipping iPhone 4S (left).
Article Link: Reuters Confirms a Smaller Dock Connector and Relocated Headphone Jack on Next iPhone