iPhone Series

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iPhone is a line of smartphones designed and marketed by Apple Inc. They run Apple’s i OS mobile operating system. The first-generation iPhone was released on June 29, 2007, and there have been multiple new hardware iterations with new i OS releases since.

3G

The iPhone 3G is a smartphone that was designed and marketed by Apple Inc. It is the second generation of iPhone, successor to the original iPhone, and was introduced on June 9, 2008, at the WWDC 2008 at the Moscone Center in San Francisco, United States.

The iPhone 3 G is internally similar to its predecessor, but included several new hardware features, such as GPS, 3 G data and t r i-band U M T S/H S D P A. The device was originally loaded with the concurrently launched iPhone OS 2.0. In addition to other features (including push email and turn-by-turn navigation), this new operating system introduced the App Store—Apple’s new distribution platform for third-party applications.

3 G S

This iPhone is named “3 GS” where “S” stood for Speed .Improvements include performance, a 3-megapixel camera with higher resolution and video ability, voice control, and support for 7.2 M bit/s H S D P A downloading (but remains limited to 384 kbps uploading as Apple had not implemented the H S U P A protocol). It was released in the United States, Canada, and six European countries on June 19, 2009, in Australia and Japan on June 26, and internationally in July and August 2009.

The iPhone 3 GS runs Apple’s i OS operating system. It is controlled mostly by a user’s fingertips on a multi-touch display. It was succeeded as Apple’s flagship smartphone in 2010 by the iPhone 4; however, the 3 GS continued in production until September 2012 when the iPhone 5 was announced.

4

The iPhone 4 introduced a new hardware design to the iPhone family, which Apple’s CEO Steve Jobs touted as the thinnest smartphone in the world at the time; it consisted of a stainless steel frame which doubles as an antenna, with internal components situated between  silicate glass. The iPhone 4 also introduced Apple’s new high-resolution “Retina Display” with a pixel density of 326 pixels per inch while maintaining the same physical size and aspect ratio as its precursors. The iPhone 4 also introduced Apple’s A 4 system-on-chip, along with i OS 4—which notably introduced multitasking functionality and Apple’s new Face Time video chat service. The iPhone 4 was also the first iPhone to include a front-facing camera, and the first to be released in a version for C D MA networks, ending AT&T’s period as the exclusive carrier of iPhone products in the United States.

4 S

This iPhone was named “4 S” where “S” stood for S i r i – an iPhone 4 S-exclusive intelligent personal assistant that was later included in future generations of mobile Apple products. Retaining most of the external design of the iPhone 4, the 4 S hosted major internal upgrades, including an upgrade to the Apple A 5 chip set, and an 8-megapixel camera with 1080 p video recording. It debuted with i OS 5, the fifth major version of i OS, Apple’s mobile operating system, that introduced features including i Cloud, i Message, Notification Center, Reminders, and Twitter integration.

5

The iPhone 5 featured major design changes in comparison to its predecessor. These included an aluminum-based body which was thinner and lighter than previous models, a taller screen with a nearly 16:9 aspect ratio, the Apple A 6 system-on-chip, L T E support, and Lightning, a new compact dock connector which replaced the 30-pin design used by previous iPhone models. This was the second Apple phone to include its new Sony-made 8 MP camera, which was first introduced on the iPhone 4 S.

5 S

The iPhone 5 S was the first Apple device to ship with i OS 7, which introduced a revamped visual appearance and other new features. Designed by Jonathan I v e , i OS 7 departed from elements used by previous versions of i OS in favor of a flat, colorful design. Among new software features introduced to the iPhone 5 S were Air Drop, an ad-h o c W i-F i sharing platform; Control Center, a control panel containing a number of commonly used functions; and iTunes Radio, an internet radio service. Earphones known as Ear Pods were included with the 5 S, and Apple released accessories including a case and a dock. The 5 S is the third iPhone to support five major versions of i OS after the iPhone 4 S and iPhone 5. The 5 S supports i OS 7 up to version 11, being the oldest iPhone to support i OS 11 since it was the earliest to have incorporated a 64-bit S o C processor.

5 C

The iPhone 5 C is a variant of the iPhone 5, with similar hardware specifications but a hard-coated poly carbonate shell instead of the aluminium of the original iPhone 5. The iPhone 5 C was available in several color options, and shipped with i OS 7. The iPhone 5 C was sold at a discounted price point in comparison to the 5 S: unlike Apple’s prior practice of lowering the price of the previous model upon release of a new version, the iPhone 5 was explicitly discontinued and replaced by the 5 C. On September 9, 2014, the 16 and 32 GB iPhone 5 C models were replaced by the 8 GB model with the announcement of the iPhone 6 and iPhone 6 Plus. On September 9, 2015, the 8 GB version was discontinued upon the announcement of the iPhone 6 S.

6/6+

The iPhone 6 and 6 Plus received positive reviews, with critics regarding their improved design, specifications, camera, and battery life as being improvements over previous iPhone models. However, aspects of the design of iPhone 6 were also panned, including plastic strips on the rear of the device for its antenna that disrupted the otherwise metal exterior, and the screen resolution of the standard-sized iPhone 6 being lower than other devices in its class. P re-orders of the iPhone 6 and iPhone 6 Plus exceeded four million within its first 24 hours of availability—an Apple record. More than ten million iPhone 6 and iPhone 6 Plus devices were sold in the first three days, another Apple record. During its lifespan, the iPhone 6 and 6 Plus sold 220 million in total, making them the best selling iPhone models, so far, and one of the most successful phones to date.

5 SE

The iPhone SE was received positively by critics, who noted its familiar form factor and design, improved hardware over previous 4-inch iPhone models, as well as its overall performance and battery life.

6 S / 6 S+

The iPhone 6 S has a similar design to the iPhone 6 but includes updated hardware, including a strengthened chassis and upgraded system-on-chip, a 12-megapixel camera, improved fingerprint recognition sensor, and L T E Advanced support. The iPhone 6 S also introduces a new hardware feature known as “3 D Touch”, which enables pressure-sensitive touch inputs.

iPhone 6 S had a mostly positive reception. While performance and camera quality were praised by most reviewers, the addition of 3 D Touch was liked by one critic for the potential of entirely new interface interactions, but disliked by another critic for not providing users with an expected intuitive response before actually using the feature. The battery life was criticized, and one reviewer asserted that the phone’s camera was not significantly better than the rest of the industry. The iPhone 6 S set a new first-weekend sales record, selling 13 million models, up from 10 million for the iPhone 6 in the previous year. However, Apple saw its first-ever quarterly year-over-year decline in iPhone sales in the months after the launch, credited to a saturated smartphone market in Apple’s biggest countries and a lack of iPhone purchases in developing countries.

7/7+

The iPhone 7’s overall design is similar to the iPhone 6 S, but introduces new color options, water and dust resistance, a new static home button, and removes the 3.5 mm headphone jack. The device’s internal hardware also received upgrades, including a heterogeneous quad-core system-on-chip with improved system and graphics performance, and upgraded 12 megapixel rear-facing cameras with optical image stabilization on all models and an additional telephoto lens on the iPhone 7 Plus model to provide enhanced zoom capabilities.

8/8+

Besides the addition of a glass back, the designs of iPhone 8 and 8 Plus are largely similar to that of their predecessors. Notable changes include the addition of wireless charging, a faster processor, and improved cameras and displays. The iPhone 8 and 8 Plus share most of their internal hardware with the iPhone X.

Reception of the phones was mixed, with reviewers praising the addition of wireless charging and the new Apple A 11 processor, while significantly criticizing the aging design.

X

The iPhone X is intended to showcase what Apple thinks is technology of the future, specifically adopting O L E D screen technology for the first time in iPhone history, as well as using a glass and stainless-steel form factor, offering wireless charging, and removing the home button in favor of introducing Face ID, a new authentication method using advanced technologies to scan the user’s face to unlock the device, as well as for the use of animated emojis called A n i m o j i. The new, nearly bezel-less form factor marks a significant change to the iPhone user interaction, involving swipe-based gestures to navigate around the operating system rather than the typical home button used in every previous iteration of the iPhone lineup. At the time of its November 2017 launch, its price tag of US$999 also made it the most expensive iPhone ever, with even higher prices internationally due to additional local sales and import taxes.

 

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