In today’s music event, Apple has released iPhone (and iPod touch) software version 3.1. and it includes the following new features:
Genius Mixes and Genius Recommendations for Apps.
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.
Display available iTunes account credits in the App Store and iTunes Store.
Save video from Mail and MMS into Camera Roll.
Option to “Save as new clip” when trimming a video on iPhone 3GS.
Better iPhone 3G Wi-Fi performance when Bluetooth is turned on.
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.
Do not install 3.1 if you want to use tethering on the iPhone in Saudi Arabia, Mobily did not provide any fix for that until now.
Do not install 3.1 if you have a jailbroken iPhone/iPod touch.
The update is now available and can be installed using iTunes.