The iPhone 5S release date is highly anticipated in September. Rumours on specs, price and other speculations have been reported by various tech sites and blogs. Some of these ideas are quite prevalent, even convincing. But phone buyers are advised to take everything in with a grain of salt, as usual.

In an earnings call over a month ago, Apple CEO Tim Cook hinted there will be now new iOS device unveiling until the last quarter of the month. This was interpreted by many as a hint that iPhone 5S will be released in September. Apple's CFO, Peter Oppenheimer followed up by saying the company expects a "very busy fall."

AllThingsD is anticipating a big Apple event on Sept. 10. The iPad mini 2 and iPad 5 are also expected to be released this quarter. But the iPhone 5S is rumoured to be the first to hit the stores. Phone shoppers are more curious than ever, because several Android phones have already been introduced. Handsets from Samsung, Sony and HTC have been competing for best phones in several reviews on the Internet.

BGR picked up the AT & T vacation blackout as a sign that the company is gearing up for the iPhone 5 release. If you're one of the top favourite go-to places for new phones, you'd definitely make sure you've got the manpower to take care of the shoppers' queue. So a vacation blackout would really make the headlines when a rumoured Apple event is expected.

Meanwhile, a report by Business Insider pointed out that analyst Mingchi Kuo foresees Apple will eventually kill the iPhone 5 and replace it with the 5S and the cheaper iPhone 5C. The new Apple phone, Kuo said, is likely to sell for only $400-$500.

The iPhone 5S will arrive in three colour variants, according to TechCrunch. Buyers can reportedly choose from black, white and gold phones.

The most prevalent iPhone 5S release date rumour is that there will be a new iPhone in September. If you're thinking of buying a new phone, it might be a good idea to wait a bit more. The specs and features rumours include the iOS 7 introduction. NFC feature, fingerprint sensor, improved camera (f/2.0), and A7 quad-core are also expected to figure in the new Apple flagship phone. As for the cheap 5C handset, the "leaked" photos in the slideshow make it seem a plausible idea.

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