New iOS 4 (formerly iPhone OS) Features

As with the rest of the world, I have upgraded to iOS 4. Straight from the update install screen itself, below is the list of new features included in this update.

See Also: TiPb’s terrific iOS4 Walkthrough.

* Requires iPhone 3GS, iPhone 4, and iPod touch 3rd generation
** Requires iPhone 3G, iPhone 3GS, or iPhone 4

Be Warned: Downloading and installing the update takes awhile. It took iTunes and my 16 GB iPhone well over an hour to be updated.

—–

This update contains over 100 new features, including the following:

• Multitasking support for third-party apps*
  – Multitasking user interface to quickly move between
     apps
  – Support for audio apps to play in the background
  – VoIP apps can receive and maintain calls in the
     background or when device is asleep
  – Apps can monitor location and take action while
     running in the background
  – Alerts and messages can be pushed to apps using
     push and local notifications
  – Apps can complete tasks in the background
• Folders to better organize and access apps
• Home screen Wallpaper*

• Mail improvements
  – Unified inbox to view emails from all accounts in one
     place
  – Fast inbox switching to quickly switch between
     different email accounts
  – Threaded messages to view multiple emails from the
     same conversation
  – Attachments can be opened with compatible third-
     party apps
  – Search results can now be filed or deleted
  – Option to select size of photo attachments
  – Messages in the Outbox can be edited or deleted
• Support for iBooks and iBookstore (available from the
   App Store)
• Photo and Camera improvements
  – 5x digital zoom when taking a photo**
  – Tap to focus during video recording**
  – Ability to sync Faces from iPhoto
  – Geo-tagged photos appear on a map in Photos
• Ability to create and edit playlists on device
• Calendar invitations can be sent and accepted wirelessly
   with supported CalDAV servers
• Support for MobileMe calendar sharing
• Suggestions and recent searches appear during a web
   search
• Searchable SMS/MMS messages**
• Spotlight search can be continued on web and Wikipedia
• Enhanced location privacy
  – New Location Services icon in the status bar
  – Indication of which apps have requested your location
     in the last 24 hours
  – Location Services can be toggled on or off for
     individual apps
• Automatic spellcheck
• Support for Bluetooth keyboards*
• iPod out to navigate music, podcasts and audiobooks
   through an iPod interface with compatible cars
• Support for iTunes gifting of apps
• Wireless notes syncing with IMAP-based mail accounts
• Persistent WiFi connection to receive push notifications*
• New setting for turning on/off cellular data only**
• Option to display the character count while composing
   new SMS/MMS**
• Visual Voicemail messages can be kept locally even if
   they have been deleted from the server**
• Control to lock portrait orientation*
• Audio playback controls for iPod and third-party audio
   apps*
• New languages, dictionaries and keyboards
• Accessibility enhancements*
• Bluetooth improvements
• Better data protection using the device passcode as an
   encryption key* (Requires full restore.)
• Support for third-party Mobile Device Management
   solutions
• Enables wireless distribution of enterprise applications
• Exchange Server 2010 compatibility
• Support for multiple Exchange ActiveSync accounts
• Support for Juniper Junos Pulse and Cisco AnyConnect
   SSL VPN apps (available from the App Store)
• More than 1,500 new developer APIs
• Bug fixes

Products compatible with this software update:
• iPhone 3G
• iPhone 3GS
• iPhone 4
• iPod touch 2nd generation
• iPod touch 3rd generation (late 2009 models with 32GB
   or 64GB)

For feature descriptions and complete instructions, see the user guides for iPhone and iPod touch at:
    <http://support.apple.com/manuals/iphone>
    <http://support.apple.com/manuals/ipodtouch>

For more information about iPhone and iPod touch, go to:
    <http://www.apple.com/iphone>
    <http://www.apple.com/ipodtouch>

To troubleshoot your iPhone or iPod touch, or to view additional support information go to:
    <http://www.apple.com/support/iphone>
    <http://www.apple.com/support/ipodtouch>

For information on the security content of this update, please visit this website: 
    <http://support.apple.com/kb/HT1222>

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