The blog cited unnamed sources as saying that Apple will unveil its next smart phone at a special event on Sept 10.
The company was not immediately available for comment.
Apple's iPhone launches are among the most-watched events on the tech industry calendar.
Reuters reported in June that Apple is exploring launching iPhones with bigger screens, as well as cheaper models in a range of colors, over the next year, according to several sources with knowledge of the matter.
The new iPhone would hit store shelves in time for the crucial holiday season.
© Thomson Reuters 2013
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