iOS 4.1 (8B117) for iPod touch 4

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Upload DateAugust 31, 2010
FilenameiPod4,1_4.1_8B117_Restore.ipsw
Filesize580 MiB
SHA256sum642929d3c0645279e7d64eb2afb10e111975aa470d4d228cbbf2918a97280483
MD5sum2e634d16d0e01ef70070c9a289e488ca
SHA1suma464492bf6ad25d65b378c85d8b181f973ede38a
IdentifieriPod4,1

iOS 4.1 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 4.1 Software Update

This update contains improvements, including the following:

• 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 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:

http://support.apple.com/manuals/iphone

http://support.apple.com/manuals/ipodtouch

For more information about iPhone and iPod touch, go to:

http://www.apple.com/iphone

http://www.apple.com/ipodtouch

To troubleshoot your iPhone or iPod touch, or to view additional support information go to:

http://www.apple.com/support/iphone

http://www.apple.com/support/ipodtouch

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222

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