Blog by an Apple Certified Tech

iPHONE OS 3.1 launched on Sep09, 2009

Apple Releases iPhone OS 3.1 (iPhone and iPod Touch)

Apple announced the availability of iPhone OS 3.1 for the iPhone and iPod touch. The new firmware will be able to take advantage of the new Genius feature for apps to help users find new apps that may be of interest based on past purchases and will also allow wireless downloading of new pre-cut ringtones.
Source: Macrumors
The mail features of OS 3.1 and updates includes the following mentioned points and is also available on Apple website:

  • Display available iTunes account credits in the App Store and iTunes Store
  • Save video from Mail and MMS into Camera Roll
  • Improved syncing for music, movies, TV shows, podcasts, and photos
  • iTunes U content organization
  • Redeem iTunes Gift Cards, codes, and certificates in the App Store
  • Remotely lock iPhone with a passcode via MobileMe
  • Use Voice Control on iPhone 3GS with Bluetooth headsets
  • Paste phone numbers into the keypad
  • Option to use Home button to turn on accessibility features on iPhone 3GS
  • Warn when visiting fraudulent websites in Safari (anti-phishing)
  • Improved Exchange calendar syncing and invitation handling
  • Fixes issue that cause some app icons to display incorrectly
  • Option to "Save as new clip" when trimming a video on iPhone 3GS
  • Better iPhone 3G Wi-Fi performance when Bluetooth is turned on
The good news is that iPhone OS 3.1 is now available for free download for iPhone customers and iPod touch guys who already own iPhone OS 3.0.
iPod touch users running old firmware versions can upgrade to iPhone OS 3.1 for $4.95.