What is iPhone OS 2? - The version 2 of Apple iOS

iPhone-OS-2-Logo

iPhone OS 2 Logo

After getting success with the iPhone OS 1 which developed for iPhones and iPod Touch, Apple Inc moved on developing the iPhone OS 2 or the upgrade for the iPhone OS 1  as an mobile operating system.

1. What is iPhone OS 2?

iPhone OS 2 is the Apple Inc's second major release version of the iPhone OS operating system series. Apple unveiled iPhone OS 2 at the iPhone software road-map key note in 2008 March and the very first release came out on 11th July 2008.

The first phone which got the iPhone OS 2 was the iPhone 3G, the second iPhone which manufactured and engineered by Apple Inc.




VersionBuildBasebandRelease Date
2.0
5A347
04.05.04_G
11th July 2008
01.45.00
2.0.1
5B108
04.05.04_G
4th August 2008
01.48.02
2.0.2
5C1
04.05.04_G
18th August 2008
02.08.01
2.1 / 2.1.1
5F13604.05.04_G9th September 2008
5F137
02.11.07
12th September 2008
5F138
2.2.
5G7704.05.04_G
21st November 2008
5G77a02.28.00
2.2.1
5G1104.05.04_G
27th January 2009
5G11a02.30.03


2. Features of iPhone OS 2

iPhone OS 2 is the second major version release of the iPhone OS series and which came to the market with the second phone of Apple Inc, which was the iPhone 3G. The OS is was killer at the time with the features where non of in the market probably could compete with.

2.1 Features of iPhone OS 2.0

The initial release of the iPhone OS 2 was marked as the version code of 2.0 and the build code of 5A347 and the baseband of 04.05.04_G and 01.45.00 and the initial version iPhone OS 2.0 was released on 11th July 2008.

iPod Touch 1st generation users had to pay $9.95 to upgrade to the iPhone OS 2.0 and the OS was originally released for iPhone 3G.


  • Capability to experience the language support of Norwegian, Swedish, Danish, Finnish, Polish, Dutch, Korean and Brazilian Portuguese language iPhone.
  • Capability to access extra keyboard languages including Chinese, Korean and Russian.
  • Capability to support traditional and simplified Chinese handwriting recognition in iPhone.
  • Capability to experience Grouped settings in Mail, Contacts and Calendars.
  • Capability to experience push e-mail in Mail.
  • Capability to choose the outgoing email account from the Mail App.
  • Capability to choose BCC contacts in the Mail App.
  • Capability to delete or move multiple emails at a single time.
  • Capability to view MS Office attachments in Mail App.
  • Capability to view iWork attachments in Mail App.
  • Capability to view the contacts icon in the Home screen of the iPhone.
  • Capability to search in Contacts App.
  • Capability to create Global Address List.
  • Capability to experience push contacts functionality.
  • Capability to import contacts to the Contacts App which are in the SIM.
  • Capability to view multiple calendars in Calendar app with color coding.
  • Capability to experience the new calendar menu in the Settings of iPhone.
  • Capability to push calendar.
  • Capability to experience enforced security policies for enterprise enhancements.
  • Capability to experience the device configuration for enterprise enhancements.
  • Capability to experience the Remote Wipe feature.
  • Capability to view the video in landscape or portrait depending on the orientation of the device.
  • Capability to view the videos in playlist in landscape or portrait depending on the orientation of the device.
  • Capability to experience the sound fade-out when exiting the video.
  • Capability to access the App Store where the user can gain access to manage third party apps.
  • Capability to view the certificates and identities.
  • Capability to experience WPA2/802.1x security measures.
  • Capability to turn WiFi back on when in Airplane mode.
  • Capability to experience Cisco IPsec VPN support.
  • Capability to take screen captures.
  • Capability to save photos or images to the device from Safari Web Browser or Mail App to Photos.
  • Capability to experience Bonjour service discovery protocol.
  • Capability to experience supporting to SVG format.
  • Capability to experience and use addition of parental controls in the device.
  • Capability to experience the visibility of the characters in the password for a moment while typing them.
  • Capability to turn on and turn off location services.
  • Capability to grant access to third party apps with prompted menu with confirmation for 3 times.
  • Capability to experience tapping status bar to scroll to top shortcuts.
  • Capability to experience the calculator update with extra features in portrait mode and scientific calculator in the landscape mode.
  • Capability to experience iTunes with a new icon and reordered category icons within iTunes app.
  • Capability to experience camera which supports Geo-tagging.
  • Capability to use YouTube plugin for Safari browser.
  • Capability to experience enhanced security features.

2.2 Features of iPhone OS 2.0.1

The 1st update to the iPhone OS 2 got released under the version code of 2.0.1 and the build code of 5B108 and the baseband of 04.05.04_G, 01.48.02. The update release version was released on 4th August 2008.

The iPhone OS 2.0.1 was carried majorly the bug fixes to the operating system to enhance the user experience and the usability.


  • Capability to experience performance and stability of the Contacts App, Calendar App.
  • Capability to experience the performance enhancement in the Safari browser when switching from portrait to landscape mode.
  • Capability to experience performance enhancement in the Mail App.
  • Capability to experience low crash rates in Apps with the update.
  • Capability to experience the improved and fast response in the keyboard.

2.3 Features of iPhone OS 2.0.2

The 2nd release to the iPhone OS 2 got released under the version code of 2.0.2 and the build code of 5C1 and the baseband code of 04.05.04_G, 02.08.01. The version 2.0.2 got released out on 18th August 2008.

The release update majorly carried out the bug fixes for the solution.
  • Capability to experience the enhancements made to the communication with the 3G networks.
  • Capability to experience the transition changes of the music list to cover flow.
  • Capability to experience the the bug fix on tilt to left from landscape no longer switch to portrait when watching videos.
  • Capability to experience the removal of Update All button in App Store's update tab. 

2.4 Features of iPhone OS 2.1/ 2.1.1

The 3rd release to the iPhone OS 2 got released to the general public under the version code of 2.1 and 2.1.1 with multiple build codes for different devices as 5F136, 5F137, 5F138 and under the baseband codes of 04.05.04_G, 02.11.07. The releases got out on 9th September 2008 and 12th September 2008.

The initial release of the iPhone OS 2.1/ 2.1.1 was released for the iPod Touch 2nd generation devices. For the users who were using the iPod Touch 1st generation devices which upgraded to the iPhone OS 2, they were also eligible for the iPhone OS 2.1.1 upgrade.
  • Capability to view the capacity of the device and the used space information of the device.
  • Capability to experience the low time consumption to load up the iTunes app.
  • Capability to keep some types of data in the device even after the restore.
  • Capability to experience faster data sync and faster firmware installation to the device.
  • Capability to experience the bug fixes which prevents on bypassing the double tap on the home button exploit.
  • Capability to experience smoother and reduced crashes and hangups in third party apps in the device.
  • Capability to experience faster installation and updating on 3rd party apps.
  • Capability to experience the non moving of the app icons after updates.
  • Capability to experience the stability in the Mail.
  • Capability to experience the enhanced and improved email reliability and fetching emails from POP and exchange type accounts.
  • Capability to experience faster loading and search in contacts.
  • Capability to experience appear of auto correct from the above instead of the bottom.
  • Capability to experience smoothness when using Safari browser when scrolling up or down.
  • Capability to experience better battery life.
  • Capability to experience enhanced and the decrease in call set up failures and call drops.
  • Capability to view the enhanced accuracy of 3G signal strength in display.
  • Capability to experience bug fixes in calculator.
  • Capability to jump to the earlier track which played in the list by clicking three times or making triple click on control buttons of the headphones.
  • Capability to get notified by the alerts when receiving and SMS and when not acknowledging the incoming text message for additional two times.
  • Capability to access more supported languages.
  • Capability to wipe up all data in the phone after ten failed passcode attempts of the device.
  • Capability to experience the changed 3G, EDGE and GPRS indicators.
  • Capability to turn off the camera within the restriction pages.
  • Capability to experience the shutter noise when taking a screenshot of the device.
  • Capability to experience the not locking feature when docked into the dock and playing music in the device.
  • Capability to create genius playlist.
  • Capability to view more info provided in iPod Music Lists.
  • Capability to view more info provided for audiobooks.
  • Capability to view the how many minutes played in podcasts and videos with the "filled" blue bubbles which appears next to the videos or podcasts.
  • Capability to experience the sound from iPod fades out when the user start sync the device iTunes.
  • Capability to open bookmarked apps in home screen in full screen mode.
  • Capability to set individual speaker sounds by settings option in iPod Touch.
  • Capability to experience new speaker sound when sending mail in iPod Touch.
  • Capability to support Nike+ in 2nd generation iPod Touch devices.
  • Capability to experience enhanced security features in iPod Touch (https://support.apple.com/en-asia/HT3026) and iPhones(https://support.apple.com/en-asia/HT3129). 

2.5 Features of iPhone OS 2.2

The 4th update to the iPhone OS 2 was released under the version code of 2.2 and two build codes of 5G77, 5G77a and two baseband codes 04.05.04_G, 02.28.00. The 4th version of the iPhone OS 2.2 was released on 21st of November 2008.

iPhone OS version 2.2 was major update to the iPhone OS which made by the Apple Inc. Apple has focused on developing the smother and much user friendly devices for the consumers where it can make the user's life easier.

iPhone OS version 2.2 was a free update for iPod Touch users who upgraded to iPhone OS 2.0 or 2.1 prior by purchasing the version upgrade from iTunes.
  • Capability to access Google Street View.
  • Capability to access public transit and walking directions in Google Maps.
  • Capability to view address of dropped pins in Google Maps.
  • Capability to share location via email by using Google Maps.
  • Capability to cache of recent locations in Google Maps to save data usage.
  • Capability to experience the resolved isolated issues with scheduled fetching of emails.
  • Capability to experience improved formatting of wide HTML email.
  • Capability to view apps in categories list by the icons instead of the list view.
  • Capability to access the feature of "Tell A Friend" or "Report A Problem" in each every app page of the App Store.
  • Capability to view multiple screenshots of an App in App's description page instead of one screenshot which shown prior.
  • Capability to view the "Update All" button in the Updates section of the App Store.
  • Capability to rate the app which is about to be deleted by the user in App Store.
  • Capability to experience the improved touch response when downloading or purchasing an app in App Store.
  • Capability to view the App installation progress as progress is in place in App Store.
  • Capability to experience improved stability and performance in Safari browser.
  • Capability to experience the layout change for the address bar in Safari.
  • Capability experience the changed edit/clear icons on the on-the-go playlist in iPod.
  • Capability to view podcasts in catalogs in iPod.
  • No gain of capability to delete audiobooks via the device in iPod.
  • Capability to view the audiobooks without the artwork in an icon of a "Note Icon".
  • Capability experience the US phone numbers in correctly grouped in Contacts app.
  • Capability to download or stream podcasts via iTunes App over WiFi or Cellular network data connectivity.
  • Capability to experience further decrease of call drops and call set-up failures.
  • Capability to experience the improved sound quality of visual voicemail messages.
  • Capability to experience the unavailability of visual voicemail service in the screen as a pop-up instead of inactive voicemail button.
  • Capability to experience enhanced performance of overall performance of the device and Notes and Camera App.
  • Capability to use Emoji for softbank users in Japan.
  • Capability to go the first home screen by pressing on the home screen button when the user is in any home screen of the device.
  • Capability to set preference to turn on and off the keyboard auto correction feature.
  • Capability to access new language supported by the iPhone OS.
  • Capability to view the update or the restore progress in iTunes.
  • Capability to access the security enhancements to the iPhone OS.
  • Capability to pipe video out to an external device for developers of the how the app works and etc...
  • Capability to access better shift key behavior.
  • Capability to access automatic webclip icon change.
  • Capability to take screenshots of locked screen.
  • Capability to record from devices which are connected through the dock port when the device is docked.
  • Capability to use iTunes when using EDGE and 3G networks including WiFi connectivity.
  • Capability to experience line in Audio by headphone jack in iPod Touch 2nd generation devices.
  • Capability to add remote button to control other devices like Apple TV on the Nike+ iPod menu.
  • Capability to experience additional security features embedded to the iPhone OS.

2.6 Features of iPhone OS 2.2.1

The 5th or the final release update to the iPhone OS was released under the version code of 2.2.1 and the build code of 5G11, 5H11a and the baseband code of 04.05.04_G, 02.30.03. The version 2.2.1 was released on 27th January 2009.
  • Capability to experience improved general stability in Safari web browser.
  • Capability to experience fixed issues where some images saved from Mail do not display correctly in the Camera Roll.
  • Capability to access the updated baseband.
  • Capability to access the fixed issue that caused some Apple Lossless audio files to skip during playback.
  • Capability access the calendar color syncing issue in iTunes 8.1.
  • Capability access the new baseband which patches the exploit formerly used to unlock the iPhone 3G.