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iPhone X is a smartphone designed, developed, and marketed by Apple Inc. It was announced on September 12, 2017, alongside the iPhone 8 and iPhone 8 Plus at the Steve Jobs Theater in the Apple Park campus. The phone was released on November 3, 2017. This device marks the iPhone series' tenth anniversary, with "X" being the symbol for "ten" in Roman numerals.

iPhone X
IPhone X Wordmark.svg
IPhone X vector.svg
Brand Apple Inc.
Manufacturer
Slogan Say hello to the future
Model A1865 (with Qualcomm modem)
A1901 (with Intel modem)
A1902 (sold in Japan)
Compatible networks GSM, CDMA2000, EV-DO, HSPA+, LTE, LTE Advanced
First released November 3, 2017; 3 months ago (2017-11-03)
Availability by country
Related iPhone 8 (Plus)
Type Phablet
Form factor Slate
Dimensions H: 143.6 mm (5.65 in)
W: 70.9 mm (2.79 in)
D: 7.7 mm (0.30 in)
Weight 174 g (6.1 oz)
Operating system Original: iOS 11.0.1
Current: iOS 11.2.6, released February 19, 2018 (2018-02-19)
System on chip Apple A11 Bionic
CPU 2.39 GHz hexa-core 64-bit
Modem Models A1865/1902: Qualcomm MDM9655 Snapdragon X16 LTE
Model A1901: Intel XMM 7480
Memory 3 GB LPDDR4X RAM
Storage 64 or 256 GB
Removable storage None
Battery 3.81 V 10.35 W·h (2716 mA·h) Li-ion
Display 5.8 in (150 mm) Super Retina HD: AMOLED, 2436×1125 px resolution, (458 ppi)
625 cd/m max. brightness (typical), with dual-ion exchange-strengthened glass
Rear camera 12 MP with six-element lens, quad-LED "True Tone" flash with Slow Sync, autofocus, IR filter, burst mode, f/1.8 aperture, 4K video recording at 24, 30, or 60 fps or 1080p at 30 or 60 fps, slow-motion video (1080p at 120 or 240 fps), timelapse with stabilization, panorama, facial recognition, digital image stabilization, optical image stabilization,
telephoto lens with 2× optical zoom / 10× digital zoom
Portrait Lighting (in beta), f/2.4 aperture, optical image stabilization
Front camera 7 MP, f/2.2 aperture, burst mode, exposure control, face detection, auto-HDR, auto image stabilization, Retina flash, 1080p HD video recording
Portrait Mode, Portrait Lighting (in beta) and Animoji
Sound Stereo speakers
Connectivity
Other IP67 IEC standard 60529 (splash, water, and dust resistant), Qi wireless charging, USB-C to Lightning (connector) fast charging
SAR Model A1865: Head: 1.09 W/kg
Body: 1.17 W/kg
Model A1901: Head: 1.08 W/kg
Body: 1.17 W/kg
Model 1902: Head: 1.12 W/kg
Body: 1.19 W/kg
Hearing aid compatibility M3, T4
Website www.apple.com/iphone-x/

iPhone X ("X" pronounced "ten" /tɛn/) is a smartphone designed, developed, and marketed by Apple Inc. It was announced on September 12, 2017, alongside the iPhone 8 and iPhone 8 Plus at the Steve Jobs Theater in the Apple Park campus. The phone was released on November 3, 2017. This device marks the iPhone series' tenth anniversary, with "X" being the symbol for "ten" in Roman numerals.

The iPhone X is intended to showcase what Apple thinks is technology of the future, specifically adopting OLED 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 Animoji. 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.

The iPhone X received mixed to positive reviews. Its display and build quality were universally praised, and the camera also scored positively on tests. The phone received particularly polarized reception due to the sensor housing "notch" at the top of the screen and the introduction of an all-new authentication method. 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. Reviewers had mixed reactions, with some condemning it and others acknowledging it as unusual in the first moments of use before getting accustomed to its presence. 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 systems preferences.

Additionally, Face ID has sparked a debate about security and privacy. Apple claims it is significantly more advanced than Touch ID, having far less false positives, though media reports have discussed the fact that Face ID and other biometric unlocking systems do not have the same level of constitutional privacy as a passcode in the United States. Face ID has shown mixed results when trying to separate identical twins, and the promise of enhanced security has been challenged by hackers and mask makers trying to infiltrate it; at least one of such attempts has been successful, though difficult to perform. Third-party app developers can also request access to "rough maps" of user facial data for their apps, causing concerns among privacy advocates despite rigid requirements by Apple of how developers handle facial data.