June 22, 2010

Official List of New Features in iOS 4 (iPhone OS 4 Software)

iOS 4 Software Update is now released! iPhone and iPod Touch users can now upgrade to iOS 4 for Free. New iOS 4 contains over 100 new features, including the following:

iOS4 New Features [Complete list]

  • Multitasking support for third-party apps*
      – Multitasking user interface to quickly move between
      – 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
      – 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 iOS 4 software update:

  • iPhone 3G
  • iPhone 3GS
  • iPhone 4
  • iPod touch 2nd generation
  • iPod touch 3rd generation (late 2009 models with 32GB or 64GB)

* Requires iPhone 3GS, iPhone 4, and iPod touch 3rd generation.
** Requires iPhone 3G, iPhone 3GS, and iPhone 4. SMS/MMS messaging and Visual Voicemail require support from your wireless carrier.

This is the official changelog of iOS 4 provided by Apple.

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