Apples iPhone 6 is widely expected to be announced early next month, however its initial availability may be constrained, according to a new report from Reuters today. This is said to have put production on hold for parts of June and July and the display manufacturers are now scrambling to get enough screens ready for launch. Reuters reiterates the common expectation that therell be two sizes for the iPhone 6, with the smaller 4.7-inch displays having entered mass production ahead of the 5.5-inch version.