This update contains improvements and bug fixes, including:

  • Fixes a bug that prevents iPhone 5 from installing software updates wirelessly over the air
  • Fixes a bug where horizontal lines may be displayed across the keyboard
  • Fixes an issue that could cause camera flash to not go off
  • Improves reliability of iPhone 5 and iPod touch (5th generation) when connected to encrypted WPA2 Wi-Fi networks
  • Resolves an issue that prevents iPhone from using the cellular network in some instances
  • Consolidated the Use Cellular Data switch for iTunes Match
  • Fixes a Passcode Lock bug which sometimes allowed access to Passbook pass details from lock screen
  • Fixes a bug affecting Exchange meetings

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

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