iPhone 4S: 10 things to do first
The iPhone 4S is the most powerful and feature-packed phone that Apple has ever made. The camera, processor and antenna are all well-needed improvements. And Siri is eccentric genius, if a little before its time. However, the fact that you can upgrade your old iPhone 4 with a smorgasbord of brand new features for free, with iOS 5 and iCloud, will undoubtedly put many off upgrading to the new phone.