Miss 2: Wi-Fi

The slow demise of unlimited data plans has made Wi-Fi a more important feature than ever - so it's bad news for Apple that some units apparently have trouble connecting to Wi-Fi hotspots. A massive on the Apple support forums illustrates the number of users affected by the problem.

Miss 3: The competition

Perhaps most troubling for Apple, however, is the growing strength of the competition - Android as an ecosystem outsells the iPhone by a considerable margin, and the gulf in build quality, functionality and polish has narrowed considerably.

Where previous iPhone releases set new standards for , the iPhone 5 merely pulls Apple into parity with competing devices - that's an unwelcome change for the Cupertino company.