Apple has just released the software update for their iPhone and iPod devices. This update contains software improvements to the iPhone OS 4.0, including the following changes to Game Center. Now on Game Center, you can Send and receive friend requests, Invite friends to multi-player games over the Internet, Play multi-player games by auto-matching with other players, View Leaderboards and Achievements and Discover new games from friends.
It now gives you an option to take High dynamic range (HDR) photos on iPhone 4. FaceTime calling directly from Favorites. It provides you support for TV show rentals on iTunes and Ability to upload HD videos to YouTube and MobileMe over Wi-Fi on iPhone 4. Also, Additional support for AVRCP-supported accessories, including next & previous track control.
Bug fixes, includes iPhone 4 proximity sensor performance, iPhone 3G performance, Nike+iPod fixes and Bluetooth improvements.
Products compatible with this software update: iPhone 4, iPhone 3GS, iPhone 3G, iPod touch 2nd generation, or later, Game Center requires iPhone 4, iPhone 3GS, iPod touch 2nd generation or later.
For feature descriptions and complete instructions, see the user guides for iPhone and iPod touch at:
For information on the security content of this update, please visit this website: http://support.apple.com/kb/HT1222
Courtesy: Apple Software Updater Notifications