iOS 4.1 Software Update is now released! iPhone and iPod Touch users can now upgrade to iOS 4.1 for Free. New iOS 4.1 update contains some new features, bug fixes and improvements, including the following:

What’s New in Apple iOS 4.1

• Game Center

  – 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

  – Discover new games from friends

• High dynamic range (HDR) photos on iPhone 4

• Support for TV show rentals on iTunes

• Ability to upload HD videos to YouTube and MobileMe over Wi-Fi on iPhone 4

• Additional support for AVRCP-supported accessories, including next & previous track control

• FaceTime calling directly from Favorites

• Bug fixes, including:

  – iPhone 4 proximity sensor performance

  – iPhone 3G performance

  – Nike+iPod fixes

  – Bluetooth improvements

Products compatible with iOS 4.1 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.

Also See: iOS 4.1 out for iPhone & iPod Touch [Direct Download Links]

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• Official List of New Features in iOS 5 [Full Changelog]
• iOS4 Released! Download & Upgrade to iOS 4/ iPhone OS 4

Tagged as: Apple, features, iOS 4, iPhone, iPhone 3G S, iPhone 4, ipod touch, official, Software, update, upgrade