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The iPhone X (
Roman numeral Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers are written with combinations of letters from the Latin alphabet, ea ...
"X" pronounced "ten", also known as iPhone 10) is a
smartphone A smartphone is a portable computer device that combines mobile telephone and computing functions into one unit. They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, whi ...
designed, developed and marketed by
Apple Inc Apple Inc. is an American multinational technology company headquartered in Cupertino, California, United States. Apple is the largest technology company by revenue (totaling in 2021) and, as of June 2022, is the world's biggest company ...
. It is part of the 11th generation of the iPhone. Available for pre-order from October 27, 2017, it was released on November 3, 2017. The
naming Naming is assigning a name to something. Naming may refer to: * Naming (parliamentary procedure), a procedure in certain parliamentary bodies * Naming ceremony, an event at which an infant is named * Product naming, the discipline of deciding wh ...
of the iPhone X (skipping the iPhone 9) is to mark the 10th anniversary of the iPhone. The iPhone X used a glass and stainless-steel form factor and " bezel-less" design, shrinking the bezels while not having a "chin", unlike many Android phones. It was the first iPhone to use an
OLED An organic light-emitting diode (OLED or organic LED), also known as organic electroluminescent (organic EL) diode, is a light-emitting diode (LED) in which the emissive electroluminescent layer is a film of organic compound that emits light i ...
screen. The home button's fingerprint sensor was replaced with a new type of authentication called Face ID, which used sensors to scan the user's face to unlock the device. This face-recognition capability also enabled emojis to be animated following the user's expression (
Animoji The implementation of emojis on different platforms took place across a three-decade period, starting in the 1990s. Today, the exact appearance of emoji is not prescribed but can vary between fonts and platforms, much like different typefaces. ...
). With a bezel-less design, iPhone user interaction changed significantly, using gestures to navigate the operating system rather than the home button used in all previous iPhones. 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. Along with the iPhone 6S, its Plus variant, and the first-generation iPhone SE, the iPhone X was discontinued on September 12, 2018, following the announcement of the iPhone XS, iPhone XS Max and iPhone XR devices. On November 22, 2018, Apple reportedly resumed production of the iPhone X due to weak sales of its successors. The iPhone X remains discontinued.


History

The history behind the iPhone X was in development for five years, starting as far back as 2012. Rumors of a drastic iPhone redesign began circulating around the time of iPhone 7 announcement in the third quarter of 2016, and intensified when a
HomePod The HomePod is a smart speaker developed by Apple Inc. The HomePod was designed to work with the Apple Music subscription service. The HomePod was announced on June 5, 2017, at the Apple Worldwide Developers Conference. Its launch was later d ...
firmware leak in July 2017 suggested that Apple would shortly release a phone with a nearly bezel-less design, lack of a physical home button, facial recognition, and other new features. A near-final development version of the
iOS 11 iOS 11 is the iOS version history, eleventh major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 10. It was announced at the company's Apple Worldwide Developers Conference, Worldwide Developers C ...
operating system was also leaked in September 2017, confirming the new design and features. On August 31, 2017, Apple invited journalists to a September 12 press event, the first public event held at the Steve Jobs Theater on the company's new Apple Park campus in
Cupertino, California Cupertino ( ) is a city in Santa Clara County, California, United States, directly west of San Jose on the western edge of the Santa Clara Valley with portions extending into the foothills of the Santa Cruz Mountains. The population was 57,82 ...
. The iPhone X was unveiled during that keynote. Its US$999 starting price was the most expensive iPhone launch price ever at the time. The price is even higher in international markets due to currency fluctuations, import fees and
sales taxes A sales tax is a tax paid to a governing body for the sales of certain goods and services. Usually laws allow the seller to collect funds for the tax from the consumer at the point of purchase. When a tax on goods or services is paid to a gover ...
. An instrumental version of the song ''Keep On Lovin’'' by ''MagnusTheMagnus'' was used in the reveal of the device, and the song " Best Friend" by Sofi Tukker was featured in the introductory film and ads. An unlocked version of the phone was made available for purchase in the United States on December 5, 2017. In April 2018, the Federal Communications Commission divulged images of an unreleased gold-colored iPhone X model. As opposed to the space gray and silver color options that the iPhone X ships with, it was divulged that there were initial plans to release a gold option for the device. However, it was put on hold due to production issues. Apple released a revised B model for the iPhone X that fixed NFC issues for users in Japan, China, and the United States.


Specifications


Hardware


Display

The iPhone X has a 5.85 inch (marketed as 5.8 inch) OLED color-accurate screen that supports
DCI-P3 P3 is an RGB color space. DCI-P3 (Digital Cinema Initiative) is used with digital theatrical motion picture distribution (DCDM). Display P3 is a variant developed by Apple Inc. for wide-gamut displays. __TOC__ History Development of the sta ...
wide color gamut, sRGB, and
high dynamic range High dynamic range (HDR) is a dynamic range higher than usual, synonyms are wide dynamic range, extended dynamic range, expanded dynamic range. The term is often used in discussing the dynamic range of various signals such as images, videos, au ...
, and has a contrast ratio of 1,000,000:1. The Super Retina display has the True Tone technology found on the
iPad Pro The iPad Pro is a premium model of Apple's iPad tablet computer. It runs iPadOS, a tablet-optimized version of the iOS operating system. The original iPad Pro was introduced in September 2015, and ran iOS 9. The second-generation iPad P ...
, which uses
ambient light sensor An ambient light sensor is a component in smartphones, notebooks, other mobile devices, automotive displays and LCD TVs. It is a photodetector that is used to sense the amount of ambient light present, and appropriately dim the device's screen ...
s to adapt the display's white balance to the surrounding ambient light. Although the iPhone X does not feature the same "ProMotion" technology used in the displays of the second-generation
iPad Pro The iPad Pro is a premium model of Apple's iPad tablet computer. It runs iPadOS, a tablet-optimized version of the iOS operating system. The original iPad Pro was introduced in September 2015, and ran iOS 9. The second-generation iPad P ...
, where the display delivers a refresh rate of 120 Hz, it does sample touch input at 120 Hz. OLED screen technology has a known negative trend of "burn-in" effects, in which particular elements consistently on the screen for long periods of time leave a faint trace even after new images appear. Apple acknowledged that its OLED screens were not excluded from this issue, writing in a support document that "This is also expected behavior". Greg Joswiak, Apple's vice president of product marketing, told ''
Tom's Guide ''Tom's Hardware'' is an online publication owned by Future plc and focused on technology. It was founded in 1996 by Thomas Pabst. It provides articles, news, price comparisons, videos and reviews on computer hardware and high technology. The si ...
'' that the OLED panels Apple used in the iPhone X had been engineered to avoid the over-saturation of colors that using OLED panels typically results in, having made color adjustments and subpixel-level refinements for crisp lines and round corners. For out-of-warranty servicing for damages not relating to manufacturing defects, screen repairs of iPhone X cost US$279, while other damage repairs cost US$549.


Color options

The iPhone X has two color options; silver and space gray. The sides of the phone are composed of surgical-grade stainless steel to improve durability, and the front and back are made of glass. The design is intended to be IP67 water and dust resistant.


Chipsets

The iPhone X contains Apple's A11 Bionic
system-on-chip A system on a chip or system-on-chip (SoC ; pl. ''SoCs'' ) is an integrated circuit that integrates most or all components of a computer or other electronic system. These components almost always include a central processing unit (CPU), memor ...
, also used in the iPhone 8 and 8 Plus, which is a six-core processor with two cores optimized for performance (25% faster than the A10 Fusion processor), along with four cores optimized for efficiency (70% faster than the previous generation). It also features the first Apple-designed
graphics processing unit A graphics processing unit (GPU) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. GPUs are used in embedded systems, m ...
and a Neural Engine, which powers an
artificial intelligence Artificial intelligence (AI) is intelligence—perceiving, synthesizing, and inferring information—demonstrated by machines, as opposed to intelligence displayed by animals and humans. Example tasks in which this is done include speech ...
accelerator.


Biometric authentication

Face ID replaces the Touch ID authentication system. The facial recognition sensor consists of two parts: a "Romeo" module that projects more than 30,000 infrared dots onto the user's face, and a "Juliet" module that reads the pattern. The pattern is sent to the Secure Enclave in the A11 Bionic chip to confirm a match with the phone owner's face. By default, the system will not work with eyes closed, in an effort to prevent unauthorized access but this requirement can be disabled in settings.


Cameras

The iPhone X has two cameras on the rear. One is a 12-megapixel wide-angle camera with f/1.8
aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An ...
, with support for
face detection Face detection is a computer technology being used in a variety of applications that identifies human faces in digital images. Face detection also refers to the psychological process by which humans locate and attend to faces in a visual scene. ...
,
high dynamic range High dynamic range (HDR) is a dynamic range higher than usual, synonyms are wide dynamic range, extended dynamic range, expanded dynamic range. The term is often used in discussing the dynamic range of various signals such as images, videos, au ...
and
optical image stabilization Image stabilization (IS) is a family of techniques that reduce motion blur, blurring associated with the motion of a camera or other imaging device during exposure (photography), exposure. Generally, it compensates for panning (camera), pan an ...
. It is capable of capturing 4K video at 24, 30 or 60
frames per second A frame is often a structural system that supports other components of a physical construction and/or steel frame that limits the construction's extent. Frame and FRAME may also refer to: Physical objects In building construction *Framing (con ...
, or 1080p video at 30, 60, 120 or 240 frames per second. A secondary,
telephoto A telephoto lens, in photography and cinematography, is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length. This is achieved by incorporating a special lens group known as a ''telephoto ...
lens features 2× optical zoom and 10× digital zoom with an aperture of f/2.4 and optical image stabilization. A Portrait Mode is capable of producing photos with specific depth-of-field and lighting effects. It also has a quad-LED True Tone flash with 2× better light uniformity. Still photos with 6.5 megapixels (3412×1920) can be captured during video recording. iOS 12/13 for the iPhone 12 did not include Smart HDR or Night Mode, which were kept exclusive to the new iPhone XS/iPhone 11. However, third-party apps brought similar features. ; Front camera On the front of the phone, a 7-megapixel True Depth camera has an f/2.2 aperture, and features face detection and HDR. It can capture 1080p video at 30 frames per second, 720p video at 240 frames per second, and exclusively allows for the use of
Animoji The implementation of emojis on different platforms took place across a three-decade period, starting in the 1990s. Today, the exact appearance of emoji is not prescribed but can vary between fonts and platforms, much like different typefaces. ...
; animated emojis placed on top of the user's face that intelligently react to the user's facial expressions. ; Mono audio Criticism has been aimed at video footage being recorded with mono audio (only one audio channel), and at a low
bit rate In telecommunications and computing, bit rate (bitrate or as a variable ''R'') is the number of bits that are conveyed or processed per unit of time. The bit rate is expressed in the unit bit per second (symbol: bit/s), often in conjunction ...
of 96 kbit/s, while earlier mobile phones by competing vendors have been recording with stereo audio (two audio channels for spatiality) and higher bit rates, such as the Samsung Galaxy S3 and
Sony Xperia S The Sony Xperia S (also known as the Sony Ericsson Xperia NX in Japan) is an Android smartphone from Sony launched at the 2012 Consumer Electronics Show. It is the first Sony-only branded smartphone after Sony acquired Ericsson's stake in Sony ...
, both unveiled in 2012.


Wireless charging

iPhone X also supports Qi-standard
wireless charging Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in vehicles, power too ...
. In tests conducted by ''
MacRumors MacRumors.com is a website that aggregates Mac and Apple-related news and rumors. The site launched on February 24, 2000, in Richmond, Virginia, and is owned by Arnold Kim. By consolidating reports and cross-referencing claims, MacRumors aims to ...
'', the iPhone X's charging
speed In everyday use and in kinematics, the speed (commonly referred to as ''v'') of an object is the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; it is thus a scalar quant ...
s varies significantly depending on what types of cables, powerbanks, adapters, or wireless chargers are used.


Software

Due to its different screen layout, iOS developers are required to update their apps to make full use of the additional screen real estate. Such changes include rounded corners, sensor "notch" at the top of the screen, and an indicator area at the bottom for accessing the home screen. Apple published a "Human Interface Guidelines" document to explain areas of focus, and discouraged developers from attempting to mask or call special attention to any of the new changes. Additionally, text within the app needs to be configured to properly reference Face ID rather than Touch ID where the authentication technology is used on iPhone X. In anticipation of the release of the phone, most major apps were quickly updated to support the new changes brought by iPhone X, though the required changes did cause delayed app updates for some major apps. The traditional home button, found on all previous devices in the iPhone lineup, has been removed entirely, replaced by touch-based gestures. To wake up the device, users can tap the display or use the side button; to access the home screen, users must swipe up from the bottom of the display; and to access the multitasking window, users must swipe up similarly to the method of accessing the home screen, but stop while the finger is in the middle of the screen, causing an app carousel to appear. The iPhone X originally shipped with
iOS 11 iOS 11 is the iOS version history, eleventh major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 10. It was announced at the company's Apple Worldwide Developers Conference, Worldwide Developers C ...
at launch. It received
iOS 12 iOS 12 is the twelfth major release of the iOS mobile operating system developed by Apple Inc. Aesthetically similar to its predecessor, iOS 11, it focuses more on performance than on new features, quality improvements and security updates. Anno ...
on September 17, 2018, and is compatible with
iOS 13 iOS 13 is the thirteenth major release of the iOS mobile operating system developed by Apple Inc. for their iPhone, iPod Touch, and HomePod lines. The successor to iOS 12 on those devices, it was announced at the company's Worldwide Develop ...
which was released on September 19, 2019. It received iOS 14 on September 16, 2020, and iOS 15 on September 20, 2021. On September 12, 2022, it became compatible with iOS 16.


Reception


General reviews

The iPhone X received positive reviews. Its display and build quality were strongly praised, and the camera also scored positively on tests. However, the sensor housing " notch" at the top of the screen and the introduction of an all-new authentication method were polarizing for critics and consumers. The notch was heavily mocked by users on social media, although app developers responded either neutrally or positively to the changes it brought to the user experience in their apps and games. Face ID facial recognition was praised for its simple setup, but criticized for requiring direct eyes on the screen, though that option can be disabled within the
system preferences System Settings (System Preferences on macOS Monterey and earlier) is an application included with macOS. It allows users to modify various system settings, which are divided into separate Preference Panes. The System Settings application w ...
. iPhone X's rear camera received an overall rating of 97 from DxOMark, a camera testing company, short of the highest score of 99, awarded to Samsung's Galaxy S9+ smartphone. Google's
Pixel 2 The Pixel 2 and Pixel 2 XL are a pair of Android smartphones designed, developed, and marketed by Google as part of the Google Pixel product line. They collectively serve as the successors to the Pixel and Pixel XL. They were officially announc ...
received a rating of 98.
Consumer Reports Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization dedicated to independent product testing, investigative journalism, consumer-oriented research, public education, and consumer advocacy. Found ...
, a non-profit, independent organization aiming to write impartial reviews of consumer products, ranked iPhone X below iPhone 8 and iPhone 8 Plus, as well as below
Samsung The Samsung Group (or simply Samsung) ( ko, 삼성 ) is a South Korean multinational manufacturing conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affiliated businesses, most of them united under the ...
's Galaxy S8, S8+ and Note 8, due to less durability and shorter battery life, although it praised the X's camera as "the highest-rated smartphone camera" it had ever tested. Chris Velazco of ''Engadget'' praised the display, writing that, in his experience, the sensor "notch" goes from being "weird at first" to not being noticeable due to action in videos usually happening in the center. The build quality was given particular acclaim, being called "a beautifully made device" with the construction that "seamlessly" connects the front and back glass with the stainless-steel frame. Velazco noted that the new gesture-based interaction takes time to get used to, particularly the Control Center being moved from the bottom to the top right of the display. The camera, processor performance, and battery life were also given positive thoughts. Nilay Patel of ''The Verge'' also praised the display, calling it "polished and tight" and "bright and colorful". He criticized the repeated lack of a headphone jack, the device's fragility despite Apple's claims of durability, and the sensor notch, calling it "ugly". Patel highlighted the fact that apps required updates to fit the new screen, writing that not all popular apps had received updates by the time of the review, resulting in some apps with "huge black borders" resembling iPhone 8. He especially criticized the positioning of the sensor notch while holding the phone in landscape mode, causing the notch to go "from being a somewhat forgettable element in the top status bar to a giant interruption on the side of the screen". The cameras were given positive feedback for maintaining detail in low-light. Patel particularly praised Animoji, calling it "probably the single best feature on the iPhone X", writing that "they just work, and they work incredibly well". Finally, he wrote that Face ID was the whole foundation of iPhone X, and stated that it "generally works great", though acknowledging the occasional misstep, in which users must "actively move the phone closer to your face to compensate". He specifically criticized the limited range of Face ID, with authentication only working when holding the phone 25–50 centimeters away from the face. The cost of repairing an iPhone is also very large compared to its predecessors. If the iPhone X is damaged by user damage (not a manufacturing defect), screen repairs cost US$279, and other repairs like replacing iPhone X batteries are more expensive. In a heavily negative review, Dennis Green of ''Business Insider'' significantly criticized the impossible one-handed use of iPhone X, writing that the new gestures to use the phone, such as swiping from the top down to access notifications and the Control Center, did not work when using the phone with only one hand due to not being able to reach the top. His review sparked outrage among
Twitter Twitter is an online social media and social networking service owned and operated by American company Twitter, Inc., on which users post and interact with 280-character-long messages known as "tweets". Registered users can post, like, and ...
users, many of whom used condescending tones, which Green reasoned as "I don't know whether the anger was directed toward me out of loyalty to Apple or to justify their own choice to spend $1,000 on a phone. It was obvious that much of the criticism came from people who had never used the phone". ''Macworld''s Roman Loyola praised the Face ID authentication system, writing that the setup process was "easy" and that its system integration was "more seamless" than the Touch ID fingerprint authentication of the past. That said, Loyola did note the "half-second" slower unlocking time than Touch ID as well as needing to look directly at the screen, making it impossible to unlock with the phone next to the user on a desk.


Face ID security and privacy concerns

Face ID has raised concerns regarding the possibility of law enforcement accessing an individual's phone by pointing the device at the user's face. United States Senator
Al Franken Alan Stuart Franken (born May 21, 1951) is an American comedian, politician, media personality, and author who served as a United States senator from Minnesota from 2009 to 2018. He gained fame as a writer and performer on the television comed ...
asked Apple to provide more information on the security and privacy of Face ID a day after the announcement, with Apple responding by highlighting the recent publication of a security white paper and knowledge base detailing answers. Inconsistent results have been shown when testing Face ID on identical twins, with some tests showing the system managing to separate the two, while other tests have failed. However, despite Apple's promise of increased security of Face ID compared to the Touch ID fingerprint authentication system, there have been multiple media reports indicating otherwise. ''The Verge'' noted that courts in the United States have granted different Fifth Amendment rights in the United States Constitution to biometric unlocking systems as opposed to keycodes. Keycodes are considered "testimonial" evidence based on the contents of users' thoughts, whereas fingerprints are considered physical evidence, with some suspects having been ordered to unlock their phones via fingerprint. Many attempts to break through Face ID with sophisticated masks have been attempted, though all have failed. A week after iPhone X was released, Vietnamese security firm
Bkav Bkav is a Vietnamese security software and electronics company based in Hanoi. It has grown to be the most popular anti-virus software provider in Vietnam, capturing over 70% of the domestic market. The name of the company was based on " Bach Kh ...
announced in a blog post that it had successfully created a $150 mask that tricked Face ID, though ''WIRED'' noted that Bkav's technique was more of a "proof-of-concept" rather than active exploitation risk, with the technique requiring a detailed measurement or digital scan of the iPhone owner's face, putting the real risk of danger only to targets of espionage and world leaders. Additionally, ''Reuters'' reported in early November 2017 that Apple would share certain facial data on users with third-party app developers for more precise selfie filters and for fictional game characters to mirror real-world user facial expressions. Although developers are required to seek customer permission, are not allowed to sell the data to others nor create profiles on users nor use the data for advertising, and are limited to a more "rough map" rather than full capabilities, they still get access to over 50 kinds of facial expressions. The American Civil Liberties Union (ACLU) and the Center for Democracy and Technology raised privacy questions about Apple's enforcement of the privacy restrictions connected to third-party access, with Apple maintaining that its App Store review processes were effective safeguards. The "rough map" of facial data third-parties can access is also not enough to unlock the device, according to ''Reuters''. However, the overall idea of letting developers access sensitive facial information was still not satisfactorily handled, according to Jay Stanley, a senior policy analyst with the ACLU, with Stanley telling ''Reuters'' that "the privacy issues around of the use of very sophisticated facial recognition technology for unlocking the phone have been overblown. ... The real privacy issues have to do with the access by third-party developers".


Sensor housing controversy

Much of the debate about the iPhone X has revolved around the design of the sensor housing, dubbed "notch" by the media, at the top of the display. ''The Outline'' described it as "a visually disgusting element", and ''The Verge'' posted a report focusing on public criticism and people mocking Apple's "odd design choice", but not every reviewer was equally negative in their opinions. Third-party iOS developers interviewed by ''Ars Technica'' said that, despite the work of restructuring design elements in their apps, the notch did not cause any problems, with some even arguing that the notch was a good push to simplify their designs. Just two weeks after iPhone X's release, Apple approved a "notch remover" app through the App Store, that places black bars across the top of the home screen to make the notch visually disappear. The approval was done despite the company's user interface guidelines discouraging developers from specifically masking the design. iPhone X was not the first device with a notch; both the
Essential Phone The Essential Phone (officially Phone or PH-1) is a discontinued Android smartphone designed by Android co-founder Andy Rubin, and manufactured, developed and marketed by Essential Products. The phone was announced on May 30, 2017 and released ...
and Sharp Aquos S2 were announced before it and had a display notch, albeit much smaller, but the iPhone X arguably popularized it.


Issues


Early activation issues

In November 2017, early adopters of the new phone reported that they were experiencing activation issues on certain cellular carriers, most notably
AT&T AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile ...
. AT&T announced within hours that the issue had been fixed on their end, and a spokesperson for the Verizon carrier told the media none of its customers were affected despite some reports of problems.


Cold weather issues

In November 2017, iPhone X users reported on
Reddit Reddit (; stylized in all lowercase as reddit) is an American social news aggregation, content rating, and discussion website. Registered users (commonly referred to as "Redditors") submit content to the site such as links, text posts, imag ...
that the device's screen would become unresponsive after experiencing rapid temperature drops. Apple released the
iOS 11 iOS 11 is the iOS version history, eleventh major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 10. It was announced at the company's Apple Worldwide Developers Conference, Worldwide Developers C ...
.1.2 update on November 16, 2017, fixing the issue. Forbes contributor Gordon Kelly reported in March 2018 that over 1,000 users experienced problems using camera flash in cold weather, with the problem being fixed in a later software update.


Cellular modem differences

Apple has been engaged in a legal battle with
Qualcomm Qualcomm () is an American multinational corporation headquartered in San Diego, California, and incorporated in Delaware. It creates semiconductors, software, and services related to wireless technology. It owns patents critical to the 5G, ...
over allegedly anti-competitive practices and has been dual-sourcing cellular modem chips to reduce reliance on the semiconductor manufacturer. Starting with iPhone 7 in 2016, Apple has used about half Qualcomm modem chips and half Intel. Professional measurement tests performed by wireless signal testing firm ''Cellular Insights'' indicated that, as in the previous-gen iPhone 7, Qualcomm's chips outperform Intel's in LTE download speeds, up to 67% faster in very weak signal conditions, resulting in some sources recommending the purchase of an unlocked iPhone X or one bought through cellular carrier
Verizon Verizon Communications Inc., commonly known as Verizon, is an American multinational telecommunications conglomerate and a corporate component of the Dow Jones Industrial Average. The company is headquartered at 1095 Avenue of the Americas ...
, in order to get the models featuring the faster Qualcomm modem. Additionally, ''
CNET ''CNET'' (short for "Computer Network") is an American media website that publishes reviews, news, articles, blogs, podcasts, and videos on technology and consumer electronics globally. ''CNET'' originally produced content for radio and televi ...
'' reported in September 2017 that the new iPhone models, including X, 8 and 8 Plus, do not have the ability to connect to the next-generation of wireless LTE data connection, despite 10 new Android devices, including flagships from main smartphone competitor
Samsung The Samsung Group (or simply Samsung) ( ko, 삼성 ) is a South Korean multinational manufacturing conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affiliated businesses, most of them united under the ...
, all having the capability to do so. While Apple's new smartphones have support for "
LTE Advanced LTE Advanced (LTE+) is a mobile communication standard and a major enhancement of the Long Term Evolution (LTE) standard. It was formally submitted as a candidate 4G to ITU-T in late 2009 as meeting the requirements of the IMT-Advanced standar ...
", with a theoretical peak speed of 500
megabit The megabit is a multiple of the unit bit for digital information. The prefix mega (symbol M) is defined in the International System of Units (SI) as a multiplier of 106 (1 million), and therefore :1 megabit = = = 1000 kilobits. The megabit ...
s per second, the Android models have the ability to connect to "Gigabit LTE", allowing theoretical speeds up to 1
gigabit The bit is the most basic unit of information in computing and digital communications. The name is a portmanteau of binary digit. The bit represents a logical state with one of two possible values. These values are most commonly represented ...
per second, doubling Apple's speed.


NFC problems

After releasing the iPhone X in Japan and China, customers experienced issues related to the phone's NFC while trying to access public transit smart card readers. In April 2018, Apple released a revision to the iPhone X, that included a vastly improved NFC chip. This solved the problem of NFC reader errors in most cases. Previously around 1 out of 3 NFC attempts would fail after initial reports. This issue also affected users in America.


Display Module Replacement Program

Apple has determined an issue with certain iPhone X devices where the display wouldn't respond to the user's touch, due to a component that might fail on the display module. Apple stated that they will repair the affected devices free of charge, so long as the device is under 3 years old.


See also

* List of iOS devices * History of iPhone *
Comparison of smartphones This is a comparison of the various internal components and features of many smartphones. Hardware and OS 2020s 2022 2021 2020 2010s 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2000s 2009 ...
* Timeline of iPhone models


References


External links

* (archived) {{Authority control * Computer-related introductions in 2017 IOS Mobile phones introduced in 2017 Mobile phones with multiple rear cameras Mobile phones with 4K video recording Mobile phones with pressure-sensitive touch screen Discontinued flagship smartphones