"First comes the latest iteration of the tech giant's hugely popular smartphone, which will be unveiled at an as yet unannounced event on September 12," the website said.
"Only after the next-generation iPhone is out the door and on sale will Apple announce the smaller iPad it's been working on," it said.
"That device, which is expected to have a display of less than eight inches (20 centimeters), will be uncrated at a second special event, which sources say is currently scheduled for October."
The 10-inch iPad has long dominated the tablet market, but faces a growing challenge from smaller models like Amazon's Kindle Fire, the Google Nexus 7 and the Samsung Galaxy.
Apple is expected to launch the miniature iPad later this year, with analysts saying it could allow the California-based company to again best its global rivals despite the death last year of visionary founder Steve Jobs.
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