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:

Apple iOS 4

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.

Also See:


Mayur Agarwal is the founder and editor-in-chief of WebTrickz. As a Technology enthusiast and an Internet addict, he loves sharing useful How To’s and Tips & Tricks. Follow him @mayurjango on Twitter.

20 Responses

  1. Jemster says:

    Tap to focus during video recording**
    ** Requires iPhone 3G, iPhone 3GS, and iPhone 4. SMS/MMS messaging and Visual Voicemail require support from your wireless carrier.

    Cooool so when are they releasing video recording for the iPhone 3G and of course the hardware upgrade to allow auto-focusing…. 😀

  2. ibeleaf420 says:

    i don’t understand why the wallpaper feature was not included for the 3G. that was the only one i really wanted. 🙁

    • Gavesh says:

      Just Jailbreak, you get Wallpaper and Multi-tasking(really worth it). 😉

    • iPhoneDiva says:

      And they wonder why people jailbreak their phones. Simple things like allowing wallpaper for the homescreen as well as the unlock screen…why NOT allow it for the 3G as well. Just stupid!!

      • Mayur says:

        There are reasons behind it. When a customer asked as why iPhone 3G didn’t get home screen background, Steve Jobs replied “The icon animation with backgrounds didn’t perform well enough”.
        Multitasking is not there for iPhone 3G and iPod Touch 2G because they have low amount of RAM and will result in reduced performance.

        • Kenneth says:

          Still, i should have the choice to have an slower iphone if i want to. It’s not thier problem, it’s mine.

          • mitch says:

            but then everyone would complain about how slow the iphone is, there is no way to make everybody happy. some people are glad that they didn’t get a homescreen that would have slowed it down

  3. TG says:

    I have read that the iphone 3G has the capabilities for video recording – it is just blocked. I was hoping this new update would change all that. Are there plans by apple to allow 3G to do video recording?

  4. Mayur says:

    You can use this theme to get iOS 4 theme on your iPhone 3G/iPod touch 2G:

  5. Monty says:

    Cycorder is best for Iphone 3g .. With background recording support
    But takes huge memory for video.. No matter afterwords u convrt it To whichever format u want..

  6. Marissa says:

    Waiting for my update now, it’s still backing up, i should look after this thing more often, what is everyones fave feature? I heard something about the wallpaper not working on 8gig 3rd gen iPod touch, i hope this is not the case, i would love to have that capability and i love my iPod so much, i don’t think i’d like another even if it were to be the 4th gen

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