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IPhone OS 3

iPhone OS 3 is the third major release of the iOS mobile operating system developed by Apple Inc., succeeding iPhone OS 2. It was announced on March 17, 2009, and was released on June 17, 2009. It was succeeded by iOS 4 on June 21, 2010, dropping the "iPhone OS" naming convention.

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iTunesApp StoreTextCalendarPhotosCameraYouTubeStocksMapsWeatherClockCalculatorNotesSettings Default dockPhoneMailSafariiPod/Music == System features ==
System features
Cut, copy, or paste iPhone OS 3 introduced a "cut, copy, and paste" bubble dialog when users press and hold text. The "paste" button would incorporate anything stored in the device's clipboard into the marked area. Spotlight Spotlight is a system-wide indexing and search feature that helps users search their device for specific contacts, email messages, calendar appointments, multimedia files, apps, and more. It is accessed by swiping to the right from the home screen. VoiceOver VoiceOver is a screen reader accessibility feature for blind or low-vision users that reads the text on the screen. This feature was first introduced with OS X 10.4 Tiger in 2005. Home screen iPhone OS 3 increased the maximum number of home screen pages to 11, for a total of 180 apps. Find My iPhone Users with MobileMe subscriptions could remotely track, lock, and erase their iPhones if they were lost. == App features ==
App features
Messages The Messages app received native support for the Multimedia Messaging Service (MMS), allowing users to send and receive messages that include pictures, contacts, locations, voice recordings, and video. The Photos app featured a new copy button and the ability to delete multiple photos at once. ==Cost==
Cost
Upgrading to iPhone OS 3 was free for iPhone users. Upgrading to iPhone OS 3 originally cost iPod Touch users $9.95; updating to 3.1.x from 2.x cost only $4.95. iPhone OS 3 was the last major version of iOS for which iPod Touch users had to pay to upgrade. Starting with iOS 4, iOS upgrades became free for all users, including users of the iPod Touch, as the Sarbanes–Oxley Act was revised to allow software upgrades for free with hardware that is not subscription-based. ==Supported devices==
Supported devices
All devices that supported iPhone OS 1 and 2 support iPhone OS 3; however, only the iPhone 3GS supports video recording. iPhoneiPhone (1st generation)iPhone 3GiPhone 3GS iPod TouchiPod Touch (1st generation)iPod Touch (2nd generation)iPod Touch (3rd generation) iPadiPad (1st generation) ==Version history==
Reception
Reception for iPhone OS 3 was overwhelmingly positive, as it addressed nearly all the major functional features that critics had highlighted since the iPhone's debut. However, it was criticized for being slower on older hardware, adding an upgrade fee for iPod touch users, lacking multitasking, and having terrible carrier dependencies. ==References==
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