iPhone OS Versions 2.x Features

iPhone OS 2.0

Release Date : 11 July, 2008

Features :

• Added language support such as Norwegian, Swedish, Danish, Finnish, Polish, Dutch, Korean, and Brazilian Portuguese language interface in iPhone.
• Extra keyboard languages including Chinese and Korean and Russian.
• Support for Traditional and Simplified Chinese handwriting recognition.
• Grouped settings.
• Ability to select an outgoing email account within Mail application.
• Support for BCC in Mail application.
• Multiple email delete/move.
• Ability to view MS Office attachments.
• Ability to view iWork attachments, including Pages, Numbers, and Keynote.
• Contacts icon on "Home" screen.
• Ability to search and push contacts.
• Global Address List.
• Ability to import SIM contacts.
• Multiple calendars supported in Calendar with colour-coding.
• New "Calendar" menu in "Settings".
• Enterprise enhancements
• Enforced security policies.
• Device configuration.
• Remote wipe.
• Video can be shown in either landscape orientation in iPod.
• Videos in playlists & music videos can be shown in portrait or landscape orientation.
• Sound fade-out when exiting a video.
• App Store (to manage third-party applications) with home screen icon- Store for apps.
• Ability to turn Wi-Fi back on while in Airplane mode.
• Cisco IPsec VPN support.
• Ability to take screen captures.
• Ability to save pics from Safari or Mail to Photos.
• Bonjour service discovery protocol.
• Support for SVG.
• Addition of Parental controls.
• Password letters are momentarily visible while typing.
• Ability to turn Location Services on or off.
• Applications that use Location Services now prompt user for confirmation 3 times.
• Tapping status bar to scroll to top shortcut.
• Updated calculator with extra features in portrait mode, a scientific calculator in landscape mode and an updated icon.
• Updated iTunes with a new icon and reordered category icons within iTunes application.
• Camera now supports Geotagging.
• YouTube plugin for Safari.

iPhone OS 2.0.1

Release Date : 4 Aug, 2008

Features :

• Performance in Mail app improved.
• Performance and stability of Contacts and Calendar applications dramatically improved.
• Performance while flipping to landscape mode in Safari improved.
• Keyboard responsiveness improved.
• Release improves application crash rates.

iPhone OS 2.0.2

Release Date : 18 Aug, 2008

Features :

• Tilt to left from landscape no longer switch to portrait when watching video, fixes 2.0 bug.
• Improved communication with 3G networks.
• Transition from music list to Cover Flow has changed.
• The "Update All" button in the App Store's update tab has been removed.

iPhone OS 2.1

Release Date : 9 Sept, 2008

Features :

• Displays capacity and used space of information on iPhone.
• Dramatically reduced time to back up to iTunes.
• Does not remove all media after restore.
• Faster firmware installation and data sync.
• Application updates downloaded from iTunes have new finder naming convention.
• Bug fixes, performance enhancements
• Security fix to prevent from bypassing the double home button exploit.
• Fixed bugs causing hangs and crashes for users with lots of third party applications.
• Faster installation and updating of 3rd party applications.
• Updating applications keeps their icons in place on the home screen.
• Improvements to Mail stability.
• Improved email reliability, notably fetching email from POP and Exchange accounts.
• Faster loading and searching of contacts.
• Smoother browsing in Safari, particularly when scrolling up/down on a web page.
• Significantly better battery life for most users.
• Decrease in call set-up failures and dropped calls.
• Improved accuracy of the 3G signal strength display.
• Improved way of creating the "Application Map" on reboot fixes the "ALoD" issue.
• Third-party application settings are loaded after loading the main Settings.
• Apple have fixed the grammar in the App Store when all apps up to date.
• Calculator bug fixed affecting calculations involving Pi.
• OS enhancements
• Triple-click on the control button of headphones now jumps music to previous track played.
• Update supporting languages.
• 3G, EDGE, and GPRS indicators changed.
• The camera can now be turned off within the restrictions page.
• When taking a screen-shot of your phone, there is now the camera shutter noise.
• Pause apps by clicking the icon while it downloads/installs.
• Updated apps now keep their original position in the Home Screen.
• iPhone never gets locked when placed in dock and playing music.
• New application features
• Genius playlist creation.
• New podcasts & videos had "filled" blue bubbles next to them to indicate that they were new, now if you have "half-played" a podcast or video, it will include a half filled blue bubble.
• Sound from iPod now fades out if you start syncing device with iTunes.
• Options to load & display earlier text message in a conversation.
• When location services is switched off in the Settings menu, the Maps application reminds you to manually turn it back on from the Settings menu when using GPS. 
• New speaker sound when sending mail in iPod Touch.
• Nike+ Support in iPod Touch 2nd gen.

iPhone OS 2.2

Release Date : 21 Nov, 2008

Features :

• Google Street View in maps.
• Public transit and walking directions.
• Display address of dropped pins.
• Share location via email.
• Cache of recent locations.
• Resolve isolated issues with scheduled fetching of email.
• Improved formatting of wide HTML email.
• "Categories" section has been altered to display icons instead of a list.
• In an app's description, multiple screen shots can now be viewed, instead of just one.
• "Update All" button added to "Updates" section.
• Improved touch response when purchasing or downloading an application.
• Application icons display the install progress "in place" while updating, rather than on the last position of the page.
• Improved stability and performance of Safari
• Layout changes for the address bar in Safari.
• The edit/clear icons on the on-the-go playlist have been changed in iPod.
• Podcasts now are being shown in catalogs in iPod.
• You can not delete audiobooks anymore through the device in iPod.
• Audiobooks without artwork, are now shown with a book icon and not with a note icon in iPod.
• Podcasts are now available for download or stream in the iTunes application (over Wi-Fi and cellular networks).
• Decrease in call set-up failures and call drops.
• Improved sound quality of visual voicemail messages.
• Improved performance overall, especially noticeable in Notes and Camera applications.
• Pressing the Home button from any Home screen takes you to the first Home screen.
• Preference to turn on/off keyboard auto-correction.
• New languages are supported.
• Shows Update/Restore progress when update using iTunes.
• Security improvement.
• Developers can pipe video out to an external device.
• Better shift-key behavior.
• Automatic WebClip icon change.
• Locked screen screenshots.
• Ability to record from devices connected through the dock port.
• Minor bug fixes and improvements
• Picker sounds are now controlled by the keyboard sound settings
• Macworld OTA updates
• iTunes now works over EDGE and 3G networks and no longer needs a Wi-Fi network.
• Line-in audio has been enabled through the headphone jack in iPod Touch.
• Add the Remote button to control other devices (e.g. Apple TV, etc.) on the Nike + iPod menu.

iPhone OS 2.2.1

Release Date : 27 Jan, 2009

Features :

• Improved general stability of Safari.
• Fixed issue where some images saved from Mail do not display correctly in the Camera Roll.
• Updates baseband.
• Fixed issue that caused some Apple Lossless (ALAC) audio files to skip during playback in iPod.
• Fixes calendar colour syncing issue (Mac only).
• Uses a new baseband which patches the exploit previously used to unlock the iPhone 3G.