Two days remain until the almost-certain launch of the iPhone 5. What should iFans expect from Wednesday's launch?

A new design

A change in the iPhone's design from the iPhone 4/4S is likely, considering the multitude of leaked models and mock-ups. The 4-inch screen means that the phone will be heightened, and Apple may widen the phone, though it seems unlikely it would change the form factor established since the iPhone debuted in 2007. The back of the phone will use aluminum rather than glass, and pictures suggest that the device will be two-tone, with white and black variants.

NFC

The implementation of Near Field Communication in the latest smartphone is seemingly rumored every year. With NFC now available on Android devices and Windows Phone 8 expected to support the feature when it releases, Apple will likely keep pace with the competition. Apple implements technology when it sees value.

A new resolution

Apple's "Retina display" is going to see a change from the iPhone 4 and 4S. It will not be a 960x540 resolution; however a The Verge forums post offers a theory on what might happen. 

More iOS 6 features

Some fans hope that Apple will fundamentally change the way iOS, the iPhon'es mobile operating system, works. Design and UI changes represent the biggest immediate change from past versions, and a new home screen would get people talking. Scott Fortstall's presentation mainly discussed apps and services, such as Passbook and Maps. 

Other products

The chance of non-iPhone products being included in Wednesday's launch is slim, though Apple likes to push integration across its products. While it is unlikely that other new products will be revealed, a passing reference to integration is certain, and new features may be announced.

Apple's conference begins Sept. 12 and Mobilenapps.com will have the coverage as it happens.