While Apple made a series of big announcements yesterday (including a feature-packed iOS 5, Mac OS X Lion and iCloud) the company did not unveil a new iPhone handset.

In previous years, Apple has unveiled new iPhone models at its annual WWDC keynote presentation. However, a variety of rumors have recently claimed that Apple wouldn’t do the same this year, and unsurprisingly, that’s exactly what happened. Instead, yesterday’s event concentrated on software only, and no iPhone announcement was made – not even as Apple’s “one more thing.”

With the keynote over, many are now wondering – when exactly can we expect Apple to announce the fifth generation iPhone?

First, let’s look at the rumors: For some time now, we’ve been hearing that the iPhone 5 would be announced at Apple’s annual music event (this usually takes place at the beginning of September), and that the handset would ship soon after. These rumors come from a variety of different sources, Reuters and Digitimes included.

The other snippet of evidence is the expected release date of iOS 5, which Apple claims will be “fall.” If the fifth generation iPhone is going to ship with iOS 5 built-in, Apple will very likely release iOS 5 around the same time that iPhone 5 handsets start shipping – possibly even within the same week.

Regarding the handset itself, we’re expecting it to feature an Apple A5 processor, an improved camera and maybe even a larger screen. But don’t take my word for it – head on over to our AppAdvice iPhone 5 Web resource for all the information on the upcoming handset, in one place!