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This is a list and comparison of devices designed and marketed by Apple Inc. that run a Unix-like operating system named iOS, often colloquially referred to simply as iDevices.[1][2] The devices include the iPhone multimedia smartphone, the iPod Touch handheld PC which, in design, is similar to the iPhone but has no cellular radio and other cell phone hardware, and the iPad tablet computer. All three devices function as digital audio and portable media players and Internet clients. The Apple TV, which ran iOS from the second generation of hardware onwards, is a set-top box for streaming media from local sources and from certain internet services to a connected television set, and has no screen of its own.
The operating system on iOS devices can be updated through iTunes, or, on iOS 5 or later, using firmware-over-the-air (OTA) updates. A major version of iOS tends to be released every time a new type of iPhone is launched, (about once a year) and is normally free, although iPod Touch users were formerly required to pay for the update. Apple upgrades its products' hardware periodically (approximately yearly). There have been ten major releases of iPhone (original iPhone, iPhone 3G, iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5, iPhone 5C, iPhone 5S, iPhone 6, and iPhone 6 Plus), five of iPod Touch (first to fifth generations, six of iPad (first generation, iPad 2, third and fourth generations, iPad Air, and iPad Air 2), and three of iPad Mini (first generation, iPad Mini 2, and iPad Mini 3).
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The second generation of Apple TV onwards runs iOS. (The first generation ran a modified version of OS X instead of iOS.)
Apple runs tests on pre-production units to determine battery life. However, these are purported maximums ("up to"), and actual user experiences vary.[48][130][131][132][133] All numbers are in hours unless specified.
Apple has increased the storage capacity of its devices over time. Units were or are available with a given storage capacity as indicated.
Later versions of the iOS operating system do not support earlier devices. This table indicates the highest version of iOS available for each generation of device.
The 3½-inch display introduced with the original iPhone was almost unchanged in all models before 2010. The iPad has a larger display and also uses a different aspect ratio and resolution. The iPhone 4, iPhone 4S, and fourth generation iPod Touch keep the physical dimensions of prior models, but double the resolution in both dimensions, thereby quadrupling the number of pixels in the same amount of space. The iPhone 5 was the first departure from the traditional iPhone and iPod Touch screen size, increasing it from 3.5" to 4", and the resolution was increased to include the extra screen space.
International System of Units, Second, Heinrich Hertz, Electromagnetism, Frequency
Ethernet, Amateur radio, Ieee 802.11, Bluetooth, Wireless
Apple Inc., Windows XP, Ios, Windows 2000, IPhone
Apple Inc., IPod, ITunes, Os X, IPad
Apple Inc., Ios, IPod, Steve Jobs, IPhone
Apple Inc., Steve Jobs, IPod, Ios, IPad
Wi-Fi, Apple Inc., Steve Jobs, Ios, BlackBerry
Apple Inc., IPod, IPhone, Steve Jobs, IPad