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For iPad users only, a split keyboard at last so users can hold onto either side of the device and type with their thumbs; instead of propping it up against a surface. It's only a small feature but it's something you will surely notice if you upgrade your iPad to the next-generation operating system.
(Image source: GottaBeMobile)
At long last -- customised ringtones. Not only could you buy ringtones from the iTunes App Store, now you can load and synchronise new ringtones for text messages and other text-based content from iTunes on your desktop.
(Image source: TiPb)
Apple is very conscious when it comes to call security. In iOS 5, it now includes a message to let users know when their calls may be on an unencrypted network, such as a fake cell tower. Call interception is not new, but with the increased likelihood that cell calls could be intercepted, iOS 5 now initiates a warning before as you make that call.