The latest iPhone firmware is live. Steve Jobs announced the release of iPhone OS 3.1 today at Apple's Rock and Roll media event. The latest iPhone firmware can be downloaded using iTunes.
The software adds new features and includes bug fixes. iPhone Dev-Team has recommended against updating your firmware until further notice if your iPhone is jailbroken and/or unlocked.
In conjunction with iTunes 9, iPhone owners choosing to download the free upgrade will receive the following new major features:
Genius Recommendations for Apps
Download Ringtones Wirelessly
Organize Apps in iTunes
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
Newest iPhone FAQs
The iPhone OS 3.1 update is available for free on iPhone and iPod Touch devices running version 3.0. Users running older firmware versions on the iPod Touch must pay $4.95 to upgrade.
The update is approximately 300 MB. We're sure iPhone Dev-Team is already checking out the 3.1 update and will have news for jailbreakers soon.