Apple released new iPhone 3.1 and iPod Touch 3.1.1 firmwares. Here is a quick changelog:

- 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

iPhone OS 3.1 is available and is a free download ^[1] for iPhone customers. iPod Touch users already running iPhone OS 3.0 can update to 3.1.1 for free. iPod Touch users running earlier firmware versions can upgrade to OS 3.1.1 for $4.95.

Users of jailbreaked and unlocked devices - do not update, wait for utilities updates ^[2]!!