iPhone

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iPhone
IPhone Logo 2016.svg
IPhone 14 Pro vector.svg
The front face of an iPhone 14 Pro in Deep Purple
DeveloperApple Inc.
ManufacturerFoxconn, Pegatron, Wistron
(contract manufacturers)
TypeSmartphone
Units sold2.2 billion (as of November 1, 2018)[1]
Operating systemiOS
Online services
Websiteapple.com/iphone/

The iPhone is a series of smartphones made by Apple Inc since 2007. It is a mobile phone, meaning that it makes calls and sends text messages without wires. There are many types of iPhones, such as the main models and others, such as the mini or pro editions.

The iPhone can access the Internet as well, either using a cellular network or over Wi-Fi. Like an iPod, it can play music and videos that have been downloaded from the Internet directly, or which have been put on it by connecting it to a personal computer.

The iPhone doesn't have as many buttons as other phones, such as those made by companies like Motorola and Nokia. Instead, it had a touch screen that covers much of the front of the phone. People control the phone by touching the screen.

All iPhones run on a mobile operating system which Apple calls "iOS". A new version of iOS comes out every year, each having more features than the one before. Each new iPhone comes with the latest version of iOS, and older iPhones usually also get a software update to the latest version.

Models[change | change source]

iPhone and iPhone plus

There have been ten types of iPhone models.

The first iPhone, iPhone 2G was released on June 29, 2007. In the first month on sale (Jul 2007), it sold 2.315 million units.[2] On July 11, 2008, the iPhone 3G was released which, hence the name, got upgraded with 3G wireless internet. On June 17, 2009, Apple released the iPhone 3GS which featured a compass and a 3.2-megapixel video camera.

On June 24, 2010, a new version of the iPhone, the iPhone 4, was released. It has the forward camera included, which is placed on the screen and allows taking self-portraits. This camera is less advanced than the back camera, but can be used for video-telephone, where the members of the talking can see each other on the screen. Additionally, it has an updated operating system that allows quicker navigation of all the features. This operating system is called IOS. The iPhone 4 also has more pixels (326 ppi; 960×640) on the screen than previous version of the iPhone.

A minor upgrade to the iPhone 4 was the iPhone 4S. It came on October 14, 2011, and had a new feature called Siri, which is a voice activation system. Additionally, it is able to record videos in 1080p resolution, which is 2.25× times higher than 720p, so that each still frame from the video contains more details. This makes it possible to see smaller items on the footage in a sharper, clearer way. Additionally, it allows zooming into the video to see more details.

The iPhone 5 was released on September 21, 2012. On September 10, 2013, two new iPhones called the 5C and 5S were announced. They were released on September 20, 2013. The iPhone 5S has a new unlocking system called Touch ID which reads your fingerprint. The iPhone 5C is a cheaper model of the iPhone 5S which is also the first iPhone available in different colors that aren't black and white.

The iPhone 6 and iPhone 6 Plus were released on September 19, 2014. They both have bigger screens than the iPhone 5, measuring at 4.7 inches and 5.5 inches, respectively.

A new iPhone has come out each year since 2016.

Jailbreaking[change | change source]

Some people "jailbreak" their iPhones to allow them to do more things. Apple does not allow many of these changes. In hopes of discouraging this, Apple voids the warranty when an iPhone is "unlocked" or "jailbroken." Though in August 2011 jailbreaking was declared legal.

Apps[change | change source]

Apple made a Software Development Kit for the iPhone, which lets people make their own software for it. However, the software cannot be sold without Apple's permission. The software that is made is sold at the App Store. More than a million apps are available to buy.

Emergency alerts[change | change source]

Another feature that is being added to almost every iPhone in the world is an Emergency Alert notification system. For most countries, the standard Emergency warning signal will sound in an event of a worldwide disaster. It consists of audio speaker icon"two-tone"  of 853hz and 960hz sine waves which will signal in a pattern.[3]

References[change | change source]

  1. "How Many iPhones have been sold". Lifewire. Retrieved July 27, 2019.
  2. Guinness world records 2009. Craig Glenday, Guinness World Records Limited. [London]. 2008. ISBN 978-1-904994-37-4. OCLC 225870383.{{cite book}}: CS1 maint: others (link)
  3. "Government Emergency Alerts". Apple. Retrieved 23 July 2022.

Other websites[change | change source]