
The free iPhone OS 3.1 Software Update includes some great new features, as well as all the features from previous updates. iPhone OS 3.1 gives you Genius recommendations for apps, lets you download ringtones wirelessly, offers a new way to organize apps on your iPhone, and more.
Genius Recommendations for Apps
Get recommendations for apps you might like based on apps you’ve already downloaded.
Genius Mixes
Have iTunes automatically create mixes based on what’s already in your library. You don’t even have to choose a sample song.
Download Ringtones Wirelessly
Choose from thousands of iPhone ringtones on the iTunes Store and buy them with a tap.
Organize Apps in iTunes
Use iTunes on your computer to drag apps onto virtual Home screens, then sync them to your iPhone.
iPhone OS 3.1 also includes these features and updates:
- Improved syncing for music, movies, TV shows, podcasts, and photos1
- iTunes U content organization1
- 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 also includes all features from iPhone OS 3.0 like
Cut, Copy & Paste, Landscape Keyboard, MMS, Spotlight Search, Voice Memos, Improved Calendar,
Buy Movies, TV Shows, and Audiobooks , Enhanced Stocks Application.
The other Addtions of 3.1 Firmware are :
Safari Improvements
Enjoy faster performance, autofill user names and passwords, and more.
Internet Tethering
Share your Internet connection with your laptop with Internet tethering via Bluetooth or USB.4Not currently offered in the U.S. and some other countries. See your carrier for availability.
Stereo BLUETOOTH®
Connect compatible Bluetooth stereo headphones, car kits, or other accessories.
Automatic Wi-Fi Login
Log in to a Wi-Fi hotspot and iPhone automatically logs you in when you connect again.
Sync Notes
Never leave a note behind. Now you can sync all the notes you write on your iPhone back to your Mac or PC.
Parental Controls
Decide what music, videos, and apps your kids can access.
iTunes Store Account
Create and log in to one or more iTunes Store accounts directly from your iPhone.
YouTube Login
Log in to your YouTube account to save and sync bookmarks and rate favorites.
Shake to Shuffle
Give iPhone a shake and it shuffles to a different song in your music library.
New Languages
iPhone supports 30 languages and more than 40 keyboard layouts.
MobileMe Find My iPhone and Remote Wipe
Find your iPhone if you lose it and protect your privacy with Remote Wipe.
Run the Latest Apps
Run the next generation of iPhone apps, like peer-to-peer games and more.
1. Make sure you are using the latest version of iTunes. Connect your iPhone to your computer. ( If your iTunes version is less than 9, Click here to Download and install iTunes 9 )
2. When iTunes opens, select your iPhone under Devices in the Source List on the left.
3. In the iPhone Summary pane, click Check for Update.
4. Click Download and Install. Do not disconnect your iPhone until the update has finished.











