1. Notification Center
A new notification to iOS 5, if you ever use lockInfo applications from cydia, perhaps like that, but that is original from iOS.
Application to get new news from the internet!
Direct integration of IOS to twitter, including cameras, photo, safari, maps, contacts, and others.
4. Mobile Safari
Additional features for the Safari browser is a browser such as tab-shaped, multi-page stories that are generated from the RSS, and others.
Application to store reminders such as ToDo, and can be integrated with GPS.
Additional features for the camera is the grid lines, on-device editing such as cropping and rotating, and red-eye reduction. Volume up key can also be used as a shutter. And the camera icon will be shown at page lock screen, so that we can access it quickly.
Additional features for applications such as Mail addresses are draggable, indentation control, message flagging, full-message search.
8. "PC Free" We can perform the update directly from our iDevice without having to connect to a computer.
9. Game Center
Additional features in the game center is a photo, and other social features. 10. iMessage Features push-message each other iDevice, may be called a fuel for iDevice? The fans of Apple products has been patiently waiting tidan iOS 5 release date, if you are one of them then wait for the official release date ios 5