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IOS 4

iOS 4 is the fourth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iPhone OS 3. It was announced at the Apple Special Event on April 8, 2010, and released on June 21, 2010. iOS 4 was the first version branded as "iOS" rather than "iPhone OS", due to the release of the iPad. It was succeeded by iOS 5 on…

History, Overview & System features

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IOS 4 at a glance

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Overview

21 related topics

System features

9 related topics

History

1 related topic

Apps

3 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developer
Apple Inc.
Initial release
June 21, 2010; 16 years ago (2010-06-21)
Kernel type
Hybrid (XNU)
Latest release
iPhone 3G, iPod Touch (2nd generation) 4.2.1 (November 22, 2010; 15 years ago (2010-11-22)) [±] iPhone 4 (CDMA) 4.2.10 (July 25, 2011; 15 years ago (2011-07-25)) [±] iPhone 3GS,…
License
Proprietary EULA except for open-source components
Official website
Apple – iPhone – New features in the iOS 4 Update at the Wayback Machine (archived June 30, 2010)

Topics to explore

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Overview

Apps

History

System features

Supported devices

Advanced semantic analysis

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How this topic connects Entity context

Quick relationship hints grouped by predicate. Useful for spotting recurring semantic connections around the current entity.

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IOS 4

Top relations

related to history · 7
IOS 4 → Apple Special Event, April, At, June, OS, Touch, WWDC
related to Multitasking · 7
IOS 4 → Fast App Switching, Internet, It, Multitasking, Tapping, This, Touch
related to Apps · 5
IOS 4 → Exchange, Game Center, It, MobileMe, The Mail
related to Performance and battery issues · 5
IOS 4 → Apple, August, Consumer Legal Remedies Act, In November, July
related to Safari · 5
IOS 4 → Beginning, Bing, Google, The Safari, Yahoo
related to Reception · 4
IOS 4 → FaceTime, However, Retina Display, Touch
related to Supported devices · 4
IOS 4 → Apple, The, This, Touch
related to Antenna problems · 3
IOS 4 → Antennagate, Apple, Upon
related to FaceTime · 3
IOS 4 → FaceTime, This, Touch
is a · 2
IOS 4 → final version of iOS that features the iPod app for music and videos on iPhones and iPads, fourth major release of the iOS mobile operating system developed by Apple Inc

Important terminology Word statistics

Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.

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Important terminology

ios iphone apple ipod app touch apps added issues support feature 3g due introduced ipad performance users also home version

Entity relationships Subject–Predicate–Object triples

Extracted RDF-like relationships with confidence and source. The table includes structured facts and lower-confidence contextual relations.
SubjectPredicateObjectConfidenceSrc
IOS 4DeveloperApple Inc.1.00infobox
IOS 4Initial releaseJune 21, 2010; 16 years ago (2010-06-21)1.00infobox
IOS 4Kernel typeHybrid (XNU)1.00infobox
IOS 4Latest releaseiPhone 3G, iPod Touch (2nd generation) 4.2.1 (November 22, 2010; 15 years ago (2010-11-22)) [±] iPhone 4 (CDMA) 4.2.10 (July 25, 2011; 15 years ago (2011-07-25)) [±] iPhone 3GS,…1.00infobox
IOS 4LicenseProprietary EULA except for open-source components1.00infobox
IOS 4Official websiteApple – iPhone – New features in the iOS 4 Update at the Wayback Machine (archived June 30, 2010)1.00infobox
IOS 4Package managerApp Store1.00infobox
IOS 4Preceded byiPhone OS 31.00infobox
IOS 4Source modelClosed, with open source components1.00infobox
IOS 4Succeeded byiOS 51.00infobox
IOS 4Supported platformsiPhone, iPod Touch, iPad1.00infobox
IOS 4Update methodiTunes through a computer1.00infobox
IOS 4Working stateNo longer supported1.00infobox
IOS 4is afourth major release of the iOS mobile operating system developed by Apple Inc0.90text
IOS 4is afinal version of iOS that features the iPod app for music and videos on iPhones and iPads0.90text

Related concept clusters Concept neighborhoods

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    Connections between topic areas Semantic bridges

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    Map overview Semantic statistics

    Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.

    IOS 4

    Nodes43
    Edges42
    Triples64
    Avg. degree1.95
    Density0.046512
    Components1
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