Revision 253437638 of "IPhone OS version history" on enwiki{{lowercase}}
[[Image:IPhonehomescreen.PNG|right|200px]]
The '''version history''' of [[iPhone OS]] begins with the release of the [[iPhone]] on [[June 29]] [[2007]] and is still under active development. This [[operating system]] from [[Apple Inc.]] did not have an official name until the release of the [[iPhone SDK]] on [[March 6]], [[2008]]. Before then, Apple marketing literature simply stated that the iPhone runs "OS X", an ambiguous reference to iPhone OS's parent, [[Mac OS X]].<ref>[http://web.archive.org/web/20071006005308/http://www.apple.com/iphone/features/index.html iPhone - Features - OS X] - [[Apple Inc.]], Archived version from 2007-10-06</ref>
Apple provides updates to the iPhone's and [[iPod Touch]]'s operating system through [[iTunes]], similar to the way that other [[iPod]]s are updated, and touts this as an advantage compared to other mobile phones and devices.<ref name=VersatileFlash>Haslam, Karen. [http://www.macworld.co.uk/ipod-itunes/news/index.cfm?newsid=16927 Macworld Expo: Optimised OS X sits on 'versatile' flash], ''[[Macworld|Macworld UK]]'', ([[2007-01-12]]){{accessdate|2007-01-16}}</ref> [[Computer security|Security]] patches, as well as new and improved features, are released in this fashion.<ref>Kharif, Olga. [http://www.businessweek.com/the_thread/techbeat/archives/2007/07/coming_soon_iph.html Coming Soon: iPhone Software Updates], ''[[BusinessWeek]]'', ([[2007-07-10]]){{accessdate|2007-07-24}}</ref>
Apple concurrently provides the same version of the iPhone OS for the iPod Touch. iPhone users receive all software updates free, but iPod Touch users are charged for some major software updates.
{{clear}}
== iPhone and iPod Touch releases ==
{| class="wikitable"
|style="background-color:#FF8080;" align="center"|Old version
|style="background-color:#40CC40;" align="center"|Current version
|style="background-color:#2FC0FF;" align="center"|Developer beta
|}
{| class="wikitable"
|-
! Version
! Build
! Modem Firmware (Baseband)
! Release date
! Features
! SDK version
|-
! style="white-space: nowrap;background-color:#FF8080;" | 1.0
| style="white-space: nowrap;" | 1A543a
| 03.11.02_G
| [[June 29]], [[2007]]
|
*'''Initial release on iPhone.'''
|
|-
! style="white-space: nowrap;background-color:#FF8080;" | 1.0.1
| style="white-space: nowrap;" | 1C25
| 03.12.08_G
| [[July 31]], [[2007]]
|
*Safari security update
|
|-
! style="white-space: nowrap;background-color:#FF8080;" | 1.0.2
| style="white-space: nowrap;" | 1C28
| 03.14.08_G
| [[August 21]], [[2007]]
|
*Fixed bugs
**Items deleted on phone no longer sync back to phone
**Able to process multi-line addresses in Maps
**Custom ringtones no longer lost on restore
|
|-
! style="white-space: nowrap;background-color:#FF8080;" | 1.1
| style="white-space: nowrap;" | 3A100a,
3A101a
|
| [[September 14]], [[2007]]
|
*'''Initial Release on iPod Touch'''
*[[iTunes Wi-Fi Music Store]] with home screen icon
|
|-
! style="white-space: nowrap;background-color:#FF8080;" | 1.1.1
| style="white-space: nowrap;" | 3A109a,
3A110a
| 04.01.13_G
| [[September 27]], [[2007]]<ref>{{cite web|url=http://www.macrumors.com/2007/09/27/apple-releases-iphone-1-1-1-update/|title=Apple Releases iPhone 1.1.1 Update|publisher=[[MacRumors]]|accessdate=2008-08-13}}</ref><ref>{{cite web|url=http://www.macrumors.com/2007/09/27/ipod-touch-1-1-1-update/|title=iPod Touch 1.1.1 Update (Screen Fix?)|publisher=[[MacRumors]]|accessdate=2008-08-13}}</ref>
|
*This update is also called the iPhone "September '07" update by Apple<ref>{{cite web|url=http://www.apple.com/iphone/gettingstarted/guidedtourupdate1|title=September ’07: Wi-Fi Store and more.|publisher=[[Apple Inc.]]|accessdate=2008-06-07}}</ref>
*Louder speakerphone and receiver volume
*Home button double-click shortcut to phone favorites or music controls
*Spacebar double-tap shortcut to intelligently insert period and space (ie: ". ")
*Mail attachments are viewable in portrait and landscape modes
*Stocks and cities in Stocks and Weather can be reordered
*[[Apple Inc.]] [[Bluetooth]] Headset battery status in the Status Bar
*Support for TV out
*Preferences to turn off [[Enhanced Data Rates for GSM Evolution|EDGE]]/[[GPRS]] when roaming internationally
*New Passcode lock time intervals
*Adjustable alert volume
*New interface for the Calculator application.
|
|-
! style="white-space: nowrap;background-color:#FF8080;" | 1.1.2
| style="white-space: nowrap;" | 3B48b
| 04.02.13_G
| [[November 12]], [[2007]]
|
*Battery charge level shown in [[iTunes]]
*International language & keyboard support
*Patched the TIFF security bug
*Adds custom [[ringtone]] field
*Fixed bugs
|
|-
! style="white-space: nowrap;background-color:#FF8080;" | 1.1.3
| style="white-space: nowrap;" | 4A93
| 04.03.13_G
| [[January 15]], [[2008]]
|
*This update is commonly called the iPhone "January '08 Update" and January Software Upgrade by Apple <ref>[http://www.apple.com/iphone/features/jan08update.html Apple - iPhone - January '08 Update<!-- Bot generated title -->]</ref>
*Charge on iPod Touch for the January '08 Software Upgrade'''
*Recent calls contact details now show most recent call times
*[[Google Maps]] on iPhone gains the 'Locate Me' feature which can determine the phone's approximate location, using a combination of cellular triangulation and [[Wi-Fi]] data from [[Skyhook Wireless]]; also adds hybrid map support and the 'Drop Pin' feature.
*Icons on the home screen can be rearranged and placed on multiple home screens (up to nine).
*iTunes [[gift card]]s can be redeemed on the iTunes Wi-Fi Music Store.
*Movies downloaded through iTunes have chapter support.
*Music has lyrics-support feature
*[[Web Clip]]s can be added to (and subsequently removed from) the home screen.
*SMS messages can be sent to multiple contacts.
*SMS storage capacity increased from 1,000 to 75,000 messages
*Default [[Gmail]] [[IMAP]] setup for new accounts (previously was defaulted as [[POP3]]).
*Multi-touch keyboard (e.g., simultaneously pressing "Shift" + "a")
*The clock timer now remembers the last used options. (bug fix)
*Incoming SMS messages now prompts the user to "Close" or "Reply" (previously "Ignore" or "Reply"). Pressing either option now marks the message as "seen".
*Labels for contact data can now be deleted.
*Applications on the phone no longer run as root; they run as the user "mobile" instead
*Ability to listen to music through a bluetooth headset by going to the voicemail and choosing "bluetooth" as the audio source no longer works (still works as long as phone is not locked or voicemail screen is active).
|
|-
! style="white-space: nowrap;background-color:#FF8080;" | 1.1.4
| style="white-space: nowrap;" | 4A102
| 04.04.05_G
| [[February 26]], [[2008]]
|
*Bug fixes
*[[SMS]] scramble order fix
*More carriers names now fit without scrolling - for roaming on other carriers
*The camera's [[frame rate]] dramatically improved
*Interface speed improvements
|
|-
! rowspan="1" style="white-space: nowrap;background-color:#FF8080;"| 1.1.5
| style="white-space: nowrap;" | 4B1
| (iPod Touch only)
| [[July 15]], [[2008]]
|
*Security fixes for iPod Touch users who choose not to pay for upgrade to version 2.0
|
|-
! rowspan="1" style="white-space: nowrap;background-color:#FF8080;" | 2.0
| style="white-space: nowrap;" | 5A347
| 04.05.04_G , 01.45.00 (3G model)
| [[July 11]], [[2008]]<ref name=releasedate>{{cite web|url=http://www.apple.com/pr/library/2008/06/09iphone.html|title=Apple Introduces the New iPhone 3G|quote=iPhone 2.0 software will be available on July 11 as a free software update via iTunes® 7.7 or later for all iPhone customers|work=[[Apple Inc.]]|date=[[2008-06-09]]}}</ref>
| [[Image:iphone2calc.jpg|thumb|right|The updated calculator in the iPhone 2.0 firmware.]]
*'''Initial release on iPhone 3G'''
*Upgrade charge for previous iPod Touch owners
*OS Enhancements
**Certificates and Identities
**[[WPA2]]/[[802.1X]]
**Ability to turn Wi-Fi back on while in Airplane mode
**[[Cisco]] [[IPsec]] [[VPN]] support
**Ability to take screen-capture by holding the Sleep/Wake button and pressing Home
**Ability to save pics from Safari.app or Mail.app to Photos.app <ref name="Saving images in Safari">[http://www.iphonehacks.com/2008/04/save-images.html#more iPhone Hacks : Pre-Release iPhone Firmware 2.0 reveals ability to save Images straight from iPhone's Safari browser<!-- Bot generated title -->]</ref>
**[[Bonjour (software)|Bonjour]] service discovery protocol
**Support for [[SVG]]
**Parental controls
**[[App Store]] (to manage third-party applications) with home screen icon
**Password letters are momentarily visible while typing
**Ability to turn Location Services on or off
**Applications that use Location Services prompt user for confirmation 3 times.
**Tapping the title bar scrolls to the top in most apps
*Language Support
**[[Norwegian language|Norwegian]], [[Swedish language|Swedish]], [[Danish language|Danish]], [[Finnish language|Finnish]], [[Polish language|Polish]], [[Dutch language|Dutch]], [[Korean language|Korean]], and [[Brazilian Portuguese]] language interface in iPhone, previously these languages were only in the iPod Touch since 1.1.1<ref>[http://www.modmyifone.com/forums/news/108471-new-iphone-firmware-seeded-iphone-coming-more-countries.html NEW iPhone firmware seeded - iPhone coming to more countries? - ModMyiFone.com | iPhone forums, iPhone hacks, iPhone unlock]</ref>
**Extra keyboard languages including Chinese and Korean and Russian
**Support for Traditional and Simplified Chinese handwriting recognition
*Mail/Contacts/Calendars
**settings grouped
**[[Microsoft Exchange]] [[ActiveSync]] support
**Support for Apple's new [[MobileMe]] service
**Mail
***[[Push email]]
***Ability to select an outgoing email account within Mail appliction<ref>[http://arstechnica.com/reviews/hardware/iphone3g-review.ars/3 The Second Coming: Ars goes in-depth with the iPhone 3G]</ref>
***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<ref name="iPhone-Software-Update">{{cite web|url = http://www.apple.com/iphone/softwareupdate |title = Apple - iPhone - Software Update |accessdate = 2008-07-01}}</ref>
**Contacts
***Contacts icon on "Home" screen
***Ability to search contacts
***Global Address List
***Push contacts
***Ability to import SIM contacts
**Calendar
***Multiple calendars supported in Calendar.app with color coding (desktop colors only preserved if using Mobile Me)
***New "Calendar" menu in "Settings"<ref name="FW2 vid">[http://www.youtube.com/watch?v=q-4vXbhiZSY YouTube - iPhone 2.0 Firmware<!-- Bot generated title -->]</ref>
***Push calendar
*Enterprise enhancements
**Enforced security policies
**Device configuration
**Remote wipe
*iPod
**Video can be shown in either landscape orientation (instead of just landscape left)
**Videos in playlists & music videos can be shown in portrait or landscape orientation
**Sound fade-out when exiting a video
*Other Apps
**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.app now supports [[Geotagging]]<ref name="Geotagging">[http://www.iphonehacks.com/2008/05/geotaggingphoto.html#more iPhone Hacks : Pre-release iPhone firmware 2.0 adds Geo-Tagging to Photos<!-- Bot generated title -->]</ref>
**YouTube plugin for Safari<ref>[http://www.iphoneatlas.com/2008/04/10/iphone-os-20-has-embedded-youtube-support-screenshot/ iPhone OS 2.0 has embedded YouTube support (screenshot)]</ref>
|
|-
! rowspan=1 style="white-space: nowrap;background-color:#FF8080;" | 2.0.1
| style="white-space: nowrap;" | 5B108
| 04.05.04_G , 01.48.02 (3G model)
|[[August 4]], [[2008]]
|
*'''Release Focusing on speed and bug fixes within the Operating System'''
*Performance and Stability of Contacts and Calendar applications dramatically improved
*Performance while flipping to landscape mode in Safari improved
*Performance in Mail app improved
*Release improves application crash rates
*Keyboard responsiveness improved
|
|-
! rowspan=1 style="white-space: nowrap;background-color:#FF8080;" | 2.0.2
| style="white-space: nowrap;" | 5C1
| 04.05.04_G , 02.08.01 (3G model)
|[[August 18]], [[2008]]
|
*Bug fixes
*Improved communication with 3G networks<ref>{{cite web | url=http://news.yahoo.com/s/usatoday/20080820/tc_usatoday/appletriestodebugiphone | title=Apple Tries to de-bug iPhone | publisher=USA Today | date=2008-08-20}}</ref>
*Transition from music list to Cover Flow has changed<ref>{{cite web | url=http://www.appleinsider.com/articles/08/08/18/apple_launches_iphone_2_0_2_update.html | title=Apple launches iPhone 2.0.2 update | publisher=Apple Insider | date=2008-08-18}}</ref>
*Tilt to left from landscape no longer switch to portrait when watching video, fixes 2.0 bug
*The <nowiki>"Update All"</nowiki> button in the App Store's update tab has been removed<ref>{{cite web | url=http://www.ilounge.com/index.php/news/comments/apple-releases-iphone-software-202/ | title=Apple releases iPhone Software 2.0.2 [updated] | publisher=iLounge | date=2008-08-18}}</ref>
|
|-
! rowspan=1 style="white-space: nowrap;background-color:#FF8080;" | 2.1
| style="white-space: nowrap;" | 5F136 (iPhone),
5F137 (iPod touch)
| 04.05.04_G , 02.11.07 (3G model)
| [[September 9]], [[2008]] (iPod touch 1st Gen)
[[September 12]], [[2008]] (iPhone 1st and 2nd Gen)
|
*Free for iPod Touch users, who have upgraded to iPhone OS 2.0.
*Companion Changes in/with [[iTunes]] 8 for this release
**Now displays how much information is taken by up applications installed on your iPhone.<ref name=iLounge2.1>{{cite web | url=http://www.ilounge.com/index.php/articles/comments/instant-expert-secrets-features-of-iphone-21 | title=Instant Expert: Secrets & Features of iPhone 2.1 | publisher=iLounge | date=2008-10-20}}</ref>
**Dramatically reduced time to backup to iTunes<ref name=mac135454 />
**Faster firmware installation and data sync
**Significantly faster restores (no longer have to re-sync media and apps to the device... restore leaves device exactly as it was when restored)
**Application updates downloaded from iTunes have new finder naming convention
*Bug Fixes and 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.app stability
**Improved email reliability, notably fetching email from POP and Exchange accounts
**Faster loading and searching of contacts
**Auto-correct now appears above the text instead of below (fixing a usability problem people were having where auto-correct would appear above the first row of keys).
**Smoother browsing in Safari, particularly when scrolling up/down on a web page
**Significantly better battery life for most users <ref name=mac135454>{{cite web | url=http://www.macworld.com/article/135454/2008/09/iphone21.html?lsrc=rss_weblogs_iphonecentral | title=Apple promises fewer dropped calls with iPhone 2.1 | publisher=MacWorld | date=2008-9-10}}</ref>
**Decrease in call set-up failures and dropped calls<ref name=mac135454 />
**Improved accuracy of the 3G signal strength display.
**Some bluetooth headsets which didn't originally work with visual voicemail on previous firmware versions have been reported to be working on 2.1.{{Fact|date=October 2008}}
**The 12/24 hour clock which has been available in previous versions is now usable to UK iPhone users.{{Fact|date=October 2008}}
**Auto rebooting once the Apple Boot logo dims fixes the "ALoD" issue.{{Fact|date=October 2008}}
**Third-party application settings are loaded after loading the main Settings.{{Fact|date=October 2008}}
**With the UK English keyboard setting, when entering URLs, holding down the '.com' button would bring up shortcuts to other TLDs, but for some reason it would drop '.net' to make room for '.co.uk'. 2.1 adds '.net' for the UK English keyboard.{{Fact|date=October 2008}}
**Apple have fixed the grammar in the App Store when all apps up to date. Prior to 2.1, the update page would display the text "All Apps Are Up-To-Date." (hypenated with a period). The update page now displays the text "All Apps Are Up to Date".{{Fact|date=October 2008}}
**Double tapping (the standard gesture for zooming) didn't work in prior firmware versions in the Mail application. The only way to zoom into content (e.g. a HTML attachment/web page) was to use the 'pinch' method. 2.1 now adds the functionality of double tapping to zoom in the Mail application.{{Fact|date=October 2008}}
**Calculator bug fixed affecting calculations involving Pi.<ref name=iLounge2.1>{{cite web | url=http://www.ilounge.com/index.php/articles/comments/instant-expert-secrets-features-of-iphone-21 | title=Instant Expert: Secrets & Features of iPhone 2.1 | publisher=iLounge | date=2008-10-20}}</ref>
* New OS features
** Triple-click on the control button of headphones now jumps music to previous track played.
** SMS app can alert up to two additional times if you don’t acknowledge an incoming text message. (will play the alert sound/vibrate again after a period of time as if a new message just came in).<ref name=iLounge2.1>{{cite web | url=http://www.ilounge.com/index.php/articles/comments/instant-expert-secrets-features-of-iphone-21 | title=Instant Expert: Secrets & Features of iPhone 2.1 | publisher=iLounge | date=2008-10-20}}</ref>
** When receiving a text message, it used to display "Sender - Text Message" when the message preview was off, e.g "Pete - Text Message". After updating to 2.1, it now just displays "New Text Message".{{Fact|date=October 2008}}
**Update Supporting Languages
**Option to wipe data after ten failed passcode attempts. (After 5 attempts, the device will disable itself for 1 minute. After the 6th attempt, it will disable itself for 5 minutes. In the 10th attempt, it will wipe all data.)<ref name=iLounge2.1>{{cite web | url=http://www.ilounge.com/index.php/articles/comments/instant-expert-secrets-features-of-iphone-21 | title=Instant Expert: Secrets & Features of iPhone 2.1 | publisher=iLounge | date=2008-10-20}}</ref>
**3G, EDGE, and GPRS indicators changed.<ref name=iLounge2.1>{{cite web | url=http://www.ilounge.com/index.php/articles/comments/instant-expert-secrets-features-of-iphone-21 | title=Instant Expert: Secrets & Features of iPhone 2.1 | publisher=iLounge | date=2008-10-20}}</ref>
**The camera can now be turned off within the restrictions page.<ref name=iLounge2.1>{{cite web | url=http://www.ilounge.com/index.php/articles/comments/instant-expert-secrets-features-of-iphone-21 | title=Instant Expert: Secrets & Features of iPhone 2.1 | publisher=iLounge | date=2008-10-20}}</ref>
**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{{Fact|date=October 2008}}
**Updated apps now keep their original position in the Home Screen.{{Fact|date=October 2008}}
**iPod volume/application volume setting is now independent of the phone ringer volume setting.{{Fact|date=October 2008}}
**iPhone never gets locked when placed in dock and play music.
*New Application features
**Genius playlist creation
**More information provided within iPod Music lists (artist and album are now shown below song title when selecting music in addition to remaining time on podcasts)
**More information is provided for audiobooks, such as displaying time left in active audiobook.<ref name=iLounge2.1>{{cite web | url=http://www.ilounge.com/index.php/articles/comments/instant-expert-secrets-features-of-iphone-21 | title=Instant Expert: Secrets & Features of iPhone 2.1 | publisher=iLounge | date=2008-10-20}}</ref>
**New podcasts & videos had "filled" blue bubbles next to them to indicate that they were new, but with 2.1, if you have "half-played" a podcast or video, it will include a half filled blue bubble.<ref name=iLounge2.1>{{cite web | url=http://www.ilounge.com/index.php/articles/comments/instant-expert-secrets-features-of-iphone-21 | title=Instant Expert: Secrets & Features of iPhone 2.1 | publisher=iLounge | date=2008-10-20}}</ref>
**Sound from iPod now "fade out" if you start syncing device with [[iTunes]]. <ref name=cazisoft21>[http://iphone.cazisoft.com/?p=64 The iPhone - iPhone OS 2.1 Features]</ref>
**Options to load & display earlier text message in a conversation.{{Fact|date=October 2008}}
**EXIF data information now remains on photos/pictures when emailed from your iPhone. Sites such as Flickr are now able to show geotag and other information.{{Fact|date=October 2008}}
**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. Originally, you would have the option to turn it on when the notification appeared.{{Fact|date=October 2008}}
**Bookmarked home screen apps open in full screen.<ref>http://www.appleinsider.com/articles/08/10/03/latest_iphone_software_supports_full_screen_web_apps.html</ref>
*Only available in the iPod touch
**Settings for individual speaker sounds. Sounds can no longer be turned off en mass. All sounds must be turned off individually to mute sounds.
**New speaker sound when sending mail.
| 9M2517
|-
! rowspan=1 style="white-space: nowrap;background-color:#FF8080;" | 2.1.1
| style="white-space: nowrap;" | 5F138
| (2nd generation iPod Touch only)
| [[September 9]], [[2008]]
|
*'''Initial Release on iPod touch 2nd Generation'''
*Nike+ Support<ref>{{cite web | url=http://www.engadget.com/2008/09/09/ipod-touch-updated-same-screen-new-case/ | title=iPod Touch updated--same screen, new case, Nike+ integration | publisher=Engadget | date=2008-9-10}}</ref>
|
|-
! style="white-space: nowrap;background-color:#40CC40;" | 2.2
| style="white-space: nowrap;" | 5G77
| 02.28.00 (3G model) 04.05.04 (2G model) <ref>http://iphone.cazisoft.com/?p=444 The iPhone - More about iPhone 2.2</ref>
| [[November 21]], [[2008]]
|
* Free Update to all iPhone and iPod Touch Users.
*Enhancements to Maps '''(For the iPod Touch; the iPod Maps app is unchanged from the previous version.<ref>http://gizmodo.com/5095448/ipod-touch-denied-street-view-other-google-maps-upgrades-in-firmware-22</ref>)''':
**Google Street View
**Public transit and walking directions
**Display address of dropped pins
**Share location via email
**Cache of recent locations
*Enhancements to Mail
**Resolve isolated issues with scheduled fetching of email
**Improved formatting of wide HTML email
*App Store changes
**"Categories" section has been altered to display icons instead of a list.<ref name="iclarified">[http://www.iclarified.com/entry/index.php?enid=1944 iPhone Software v2.2 Beta 1 Tweaks]</ref>
**Individual applications pages now have 'Tell A Friend' and 'Report A Problem' buttons.<ref name="iclarified" />
**In an app's description, multiple screen shots can now be viewed, instead of just one.
**"Update All" button added to "Updates" section.
**Option added to rate an application that is about to be deleted.<ref>http://www.iphonehellas.gr/3308/iphone-v22-beta-2-please-rate-app-before-deleting/ iPhone v2.2 beta 2: “Please rate app before deleting”</ref>
**Improved touch response when purchasing or downloading an application.
*Safari Enhancements
**Improved stability and performance of [[Safari (web_browser)|Safari]]
**Layout changes for the address bar in Safari<ref>[http://gizmodo.com/5055274/mobile-safari-redesign-is-subtle-logical Mobile Safari Redesign Is Subtle, Logical]</ref>
*iPod Player changes
**The icons on the on-the-go playlist have been changed.
**Podcasts now are been shown in catalogs.
*Other Enhancements
**Podcasts are now available for download 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 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 <ref>[http://iphone.cazisoft.com/?p=445 The iPhone | iPhone OS 2.2 Updates]</ref>
**[[Line-in recording|Line-in audio]] has been enabled through the [[Headphones|headphone]] [[Jack (connector)|jack]].
**[[Emoji]] for Softbank users in [[Japan]].<ref name="Apple - Technote on Emoji for 2.2">http://www.macrumors.com/c.php?u=http%3A%2F%2Fsupport.apple.com%2Fkb%2FTS2404&t=1227253801</ref>
**Add the Remote button to control other devices (Like [[AppleTV]], ...) on the Nike + iPod menu.
**Some minor bugfixes and improvements.
| 9M2621<ref>[http://iphone.cazisoft.com/?p=444 The iPhone | More about iPhone OS 2.2]</ref>
|-
|}
==References==
{{reflist|2}}
==See also==
*[[IPhone|iPhone]]
*[[IPhone OS|iPhone OS]]
{{iPhone}}
[[Category:iPhone OS|IPhone OS]]
[[Category:Apple Inc. operating systems]]
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