As Apple inches closer to an expected fall release of its iPhone 6, more photos make their way online claiming to reveal to upcoming smartphone.

The latest of such leaks place the two rumored versions of the iPhone 6, one with a screen 4.7 inches and one 5.5 inches. The photos appear to show a larger version of the champagne-colored iPhone 5S.

The main characteristic of the leaked image that distinguishes it from an iPhone 5 or 4S for example, is the home button. Posted by a Twitter user in Australia named Sonny Dickson, the image shows the rumored iPhone 6 to have a blank home screen button, which Apple did with the iPhone 5S' Touch ID fingerprint scanner.

According to Apple Insider, these images are most likely dummy models distributed to case manufacturers. This means the shape and size would be accurate, but the look, color and interface are subject to change, especially given Apple's tendency to make changes all the way up to the release date.

In a later tweet, Dickson promised to post more "exclusive leaks" to his Instagram account. Dickson later took to his website to post a series of photos displaying the dummy iPhone 6 against all of Apple's previous smartphones.

GforGames.com reported a Taiwanese publication learned some of Apple's production plans regarding the iPhone 6 and iWatch. The report indicated the 4.7-inch iPhone will be the main release later this year and that it will have a sapphire screen.

The website also said Apple is rumored to be concerned it will not have enough sapphire crystal for both iPhone models and the iWatch. This could lead Apple to release the 5.5-inch iPhone 6 on a limited basis months after the smaller iPhone launches.

Unnamed "supply chain sources" said this delay still will not be enough to push any of the three devices into 2015.

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