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The iPhone X (
Roman numeral Roman numerals are a that originated in and remained the usual way of writing numbers throughout Europe well into the . Numbers in this system are represented by combinations of letters from the . Modern style uses seven symbols, each with a ...
"X" pronounced "ten") is a
smartphone A smartphone is a portable device A mobile device (or handheld computer) is a computer A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. Modern computers can per ...

smartphone
designed, developed, marketed, produced, and sold by
Apple Inc. Apple Inc. is an American multinational Multinational may refer to: * Multinational corporation, a corporate organization operating in multiple countries * Multinational force, a military body from multiple countries * Multinational state, a ...
The 11th generation of the
iPhone {{Infobox information appliance , name = iPhone , logo = , image = , caption = The front face of an iPhone 13 Pro The iPhone 13 Pro and iPhone 13 Pro Max are smartphones designed and marketed by Apple Inc. They are the flagship smart ...

iPhone
, it was available to pre-order on October 27, 2017, and was released on November 3, 2017. 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 A light-emitting diode (LED) is a semiconductor A semiconductor material has an Electr ...
screen. The home button's fingerprint sensor was replaced with a new type of authentication called
Face ID Face ID is a facial recognition system designed and developed by Apple Inc. for the iPhone and iPad Pro. The system allows Biometrics, biometric authentication for unlocking a device, making Apple Pay, payments, accessing sensitive data, providing ...
, 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). 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. The iPhone X received positive reviews. Its display and build quality were universally 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 Preferences is an Application software, application included with the macOS operating system that allows users to modify various system settings which are divided into separate Preference Panes. The System Preferences application was intro ...
. Along with the
iPhone 6S The iPhone 6S and iPhone 6S Plus (stylized and marketed as iPhone 6s and iPhone 6s Plus) are smartphones that were designed, developed, and marketed by Apple Inc. Apple Inc. is an American multinational technology company headquartered ...
, 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
iPhone XS, iPhone XS Max
and
iPhone XR The iPhone XR (stylized and marketed as iPhone Xʀ; Roman numeral Roman numerals are a that originated in and remained the usual way of writing numbers throughout Europe well into the . Numbers in this system are represented by combinat ...
devices. As a result, with a shelf life of just over 10 months, the iPhone X had the shortest ever tenure as the flagship device in the history of the iPhone. On November 22, 2018, Apple reportedly resumed production of the iPhone X due to weak sales of its successors. The iPhone X remains discontinued, but as of February 2019, Apple started selling refurbished models of the iPhone X.


History

The technology 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 del ...
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 Co ...
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, California, San Jose on the western edge of the Santa Clara Valley with portions extending into the foothills of the Santa Cruz Mountains. The p ...
. 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. 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 Sofi Tukker (stylized in all caps In typography, all caps (short for "all capitalization, capitals") refers to text or a typeface, font in which all letters are capital letters, for example: TEXT IN ALL CAPS. All caps may be used for emphas ...

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 DCI-P3, or DCI/P3, is a common RGB color space for digital movie projection from the American film industry. __TOC__ History Early history In the CIE 1931 xy chromaticity diagram the DCI-P3 color space covers 45.5% of all chromaticities and 86.9 ...
wide color gamut, sRGB, and
high dynamic range High dynamic range (HDR) is a dynamic range higher than usual. The term is often used in discussing display devices, photography Photography is the art, application, and practice of creating durable images by recording light, either electronic ...
, and has a contrast ratio of 1,000,000:1. The Super Retina display has the True Tone technology found on the
iPad Pro iPad Pro is a premium professional sub-lineup of the iPad iPad is a line of tablet computers designed, developed and marketed by Apple Inc., which run the iOS and iPadOS mobile operating systems. The iPad (1st generation), first iP ...

iPad Pro
, which uses
ambient light sensor An ambient light sensor is a component in smartphone A smartphone is a mobile device that combines cellular and mobile computing functions into one unit. They are distinguished from feature phones by their stronger hardware capabilities and ...
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 iPad Pro is a premium professional sub-lineup of the iPad iPad is a line of tablet computers designed, developed and marketed by Apple Inc., which run the iOS and iPadOS mobile operating systems. The iPad (1st generation), first iP ...

iPad Pro
, 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 Burn-in is the process by which components of a system are exercised prior to being placed in service (and often, prior to the system being completely assembled from those components). This testing process will force certain failures to occur und ...
" 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, Future 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. ...
'' that the OLED panels Apple used in the iPhone X had been engineered to avoid the "oversaturation" 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 IP code or ingress protection code is defined in International Electrotechnical Commission, IEC 60529 which classifies and rates the degree of protection provided by mechanical casings and electrical enclosures against intrusion, dust, accidenta ...
water and dust resistant.


Chipsets

The iPhone X contains Apple's
system-on-chip A system on a chip (SoC; or This article uses the convention that SoC is pronounced . Therefore, it uses the convention "an" for the indefinite article corresponding to SoC ("an SoC"). Other sources may pronounce it as and therefore use "a ...
, also used in the , 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 200px, A circuit built on a printed circuit board (PCB). An electronic circuit is composed of individual electronic component An electronic component is any basic discre ...
and a
Neural Engine The Apple A11 Bionic is a 64-bit In computer architecture, 64-bit Integer (computer science), integers, Memory address, memory addresses, or other Data#Uses%20of%20data%20in%20computing, data units are those that are 64 bits (8 Octet (comput ...
, which powers an
artificial intelligence Artificial intelligence (AI) is intelligence Intelligence has been defined in many ways: the capacity for abstraction Abstraction in its main sense is a conceptual process where general rules and concept Concepts are defined as abstra ...

artificial intelligence
accelerator.


Biometric authentication

Face ID Face ID is a facial recognition system designed and developed by Apple Inc. for the iPhone and iPad Pro. The system allows Biometrics, biometric authentication for unlocking a device, making Apple Pay, payments, accessing sensitive data, providing ...
replaces the
Touch ID Touch ID is an electronic fingerprint recognition feature designed and released by Apple Inc. Apple Inc. is an American multinational Multinational may refer to: * Multinational corporation, a corporate organization operating in multipl ...
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 ray (optics), rays that come to a focus (optics), focus ...
, 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. ...

face detection
,
high dynamic range High dynamic range (HDR) is a dynamic range higher than usual. The term is often used in discussing display devices, photography Photography is the art, application, and practice of creating durable images by recording light, either electronic ...
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 The term structural system or structural frame in structural engineering refers to the load-resisting sub-system of a building or object. The structural system transfers loads through interconnected elements ...
, or 1080p video at 30, 60, 120 or 240 frames per second. A secondary,
telephoto A telephoto lens, in photography Photography is the art, application, and practice of creating durable images by recording light, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as p ...

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. ; 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 Emoji ( ; from Japanese language, Japanese 絵文字 ; plural ''emoji'' or ''emojis'') are pictograms, logograms, ideograms and smileys used in electronic messages and web pages. The emoji’s primary function is not to usurp language but to ...
; 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 Data rate units, bit per second unit (symbol: ''bit/s' ...
of 96 kbit/s, while earlier mobile phones by competing vendors have been recording with
stereo audio Stereophonic sound or, more commonly, stereo, is a method of sound reproduction that creates an illusion of multi-directional audible perspective. This is usually achieved by using two or more independent audio channels through a configuration ...
(two audio channels for spatiality) and higher bit rates, such as the Samsung Galaxy S3 and Sony Xperia S, both unveiled in 2012.


Wireless charging

iPhone X also supports Qi-standard
wireless charging Wireless charging pad used to charge devices with the Qi standard. Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction Electromagnetic or magnetic ...
. In tests conducted by ''
MacRumors MacRumors.com is a website that aggregates Mac and Apple An apple is an edible fruit produced by an apple tree (''Malus domestica''). Apple fruit tree, trees are agriculture, cultivated worldwide and are the most widely grown species in th ...
'', the iPhone X's charging
speed In everyday use and in kinematics Kinematics is a subfield of physics, developed in classical mechanics, that describes the Motion (physics), motion of points, bodies (objects), and systems of bodies (groups of objects) without considerin ...

speed
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.


Reception


General reviews

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 smartphone. Google's
Pixel 2 The Pixel 2 and Pixel 2 XL are a pair of Android Android may refer to: Science and technology * Android (robot), a humanoid robot or synthetic organism designed to imitate a human * Android (operating system), Google's mobile operating system ...
received a rating of 98.
Consumer Reports Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization Consumer organizations are advocacy Advocacy is an activity by an individual or group that aims to influence decisions within political, ...
, a non-profit, independent organization aiming to write impartial reviews of consumer products, ranked iPhone X below , as well as below
Samsung The Samsung Group (or simply Samsung) ( ko, 삼성) is a South Korean Multinational corporation, multinational manufacturing Conglomerate (company), conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affil ...

Samsung
's 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. Nilay Patel of ''The Verge'' 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. Chris Velazco of ''Engadget'' also 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. 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 American microblogging Microblogging is an online Broadcasting, broadcast medium that exists as a specific form of blogging. A micro-blog differs from a traditional blog in that its content is typically smaller in both actu ...

Twitter
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 The United States Senate is the upper chamber of the United States Congress The ...

Al Franken
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 Vietnamese may refer to: * Something of, from, or related to Vietnam, a country in Southeast Asia ** A citizen of Vietnam. See Demographics of Vietnam. * Vietnamese people, or Kinh people, a Southeast Asian ethnic group nati ...
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 Android may refer to: Science and technology * Android (robot), a humanoid robot or synthetic organism designed to imitate a human * Android (operating system), Google's ...
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 Multinational may refer to: * Multinational corporation, a corporate organization operating in multiple countries * Multinational force, a military body from multiple countries * Multinational state, a ...

AT&T
. 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 as reddit) is an American social news news aggregator, aggregation, web content rating site, rating, and Internet forum#Discussion, discussion website. Registered members submit content to the site such as links, text posts, ...
that the device's screen would become unresponsive after experiencing rapid temperature drops. Apple released the iOS 11.1.2 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 Delaware General Corporation Law, incorporated in Delaware. It creates semiconductors, software, and services related to wireless technology. It ow ...

Qualcomm
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 The iPhone 7 and iPhone 7 Plus are smartphones designed, developed, and marketed by Apple Inc. They are the List of iOS devices, tenth generation of the iPhone. They were announced on September 7, 2016, at the Bill Graham Civic Auditorium in ...
, 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 Telecommunication is the transmission of information by various types of technologies over , radio, , or other systems. It has its ...
, in order to get the models featuring the faster Qualcomm modem. Additionally, ''
CNET ''CNET'' (short for "Computer Network"), stylised C, net, is an American media website that publishes reviews, news, articles, blogs, podcasts, and videos on technology and consumer electronics Consumer electronics or home electronics ...
'' reported in September 2017 that the new iPhone models, including X, , do not have the ability to connect to the next-generation of wireless LTE data connection, despite 10 new
Android Android may refer to: Science and technology * Android (robot), a humanoid robot or synthetic organism designed to imitate a human * Android (operating system), Google's mobile operating system ** Android (operating system)#Mascot, Unnamed Androi ...

Android
devices, including flagships from main smartphone competitor
Samsung The Samsung Group (or simply Samsung) ( ko, 삼성) is a South Korean Multinational corporation, multinational manufacturing Conglomerate (company), conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affil ...

Samsung
, all having the capability to do so. While Apple's new smartphones have support for "
LTE Advanced LTE Advanced is a mobile communication standard and a major enhancement of the Long Term Evolution In telecommunications Telecommunication is the transmission of information by various types of technologies over , radio, , or other s ...
", with a theoretical peak speed of 500
megabit The megabit is a multiple of the unit bit The bit is a basic unit of information in computing Computing is any goal-oriented activity requiring, benefiting from, or creating computing machinery. It includes the study and experimentation of ...
s per second, the Android models have the ability to connect to "Gigabit LTE", allowing theoretical speeds up to 1
gigabit The gigabit is a multiple of the unit bit The bit is a basic unit of information in computing Computing is any goal-oriented activity requiring, benefiting from, or creating computing machinery. It includes the study and experimentation of a ...
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 This is a list and comparison of devices designed and marketed by Apple Inc. Apple Inc. is an American multinational Multinational may refer to: * Multinational corporation, a corporate organization operating in multiple countries ...
*
History of iPhone The history of the iPhone development by Apple Inc. spans from the early 2000s to about 2010. The first iPhone The iPhone is a line of smartphone A smartphone is a mobile device that combines cellular and mobile computing func ...
*
Comparison of smartphones This is a comparison of the various internal components and features of many smartphone A smartphone is a portable device A mobile device (or handheld computer) is a computer A computer is a machine that can be programmed to carry ...
*


References


External links

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