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  2. iOS 4 - Wikipedia

    en.wikipedia.org/wiki/IOS_4

    Drops support for the iPhone (1st generation), iPod Touch (1st generation) and, from iOS 4.3 onwards, for the iPhone 3G and iPod Touch (2nd generation). 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 ...

  3. Issues relating to iOS - Wikipedia

    en.wikipedia.org/wiki/Issues_relating_to_iOS

    The iOS mobile operating system developed by Apple has had a wide range of bugs and security issues discovered throughout its lifespan, including security exploits discovered in most versions of the operating system related to the practice of jailbreaking (to remove Apple's software restrictions), bypassing the user's lock screen (known as lock screen bypasses), issues relating to battery ...

  4. iOS version history - Wikipedia

    en.wikipedia.org/wiki/IOS_version_history

    iOS version history. iOS is a mobile operating system developed by Apple Inc. and was first released as iPhone OS in June 2007, coinciding with the launch of the first generation iPhone. [ 1] iPhone OS was renamed iOS following the release of the iPad, starting with iOS 4. [ 2] With iOS 13, Apple began offering a separate operating system ...

  5. Fix problems with the AOL app on iOS

    help.aol.com/articles/fix-problems-with-the-aol...

    Verified for iOS 9.3 and later. 1. Double press the Home button or swipe up and hold. 2. Swipe up on the image of the app. 3. Re-launch the app and attempt to reproduce the issue.

  6. iPad (1st generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_(1st_generation)

    The iPad originally shipped with iPhone OS 3.2.On September 1, 2010, it was announced the iPad would get iOS 4.2 by November 2010; [37] to fulfill this, Apple released iOS 4.2.1 to the public on November 22. [38]

  7. List of unsolved problems in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Many mathematical problems have been stated but not yet solved. These problems come from many areas of mathematics, such as theoretical physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete and Euclidean geometries, graph theory, group theory, model theory, number theory, set theory, Ramsey theory, dynamical systems, and partial differential equations.

  8. Internet of things - Wikipedia

    en.wikipedia.org/wiki/Internet_of_things

    A problem specific to IoT systems is that buggy apps, unforeseen bad app interactions, or device/communication failures, can cause unsafe and dangerous physical states, e.g., "unlock the entrance door when no one is at home" or "turn off the heater when the temperature is below 0 degrees Celsius and people are sleeping at night". [279]

  9. Internet - Wikipedia

    en.wikipedia.org/wiki/Internet

    The Internet (or internet) [a] is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) [b] to communicate between networks and devices.