iPhone XiPhone X (X pronounced “ten”) is a smartphone designed, developed, and marketed by Apple Inc. Apple CEO Tim Cook announced the iPhone X on September 12, 2017, alongside the iPhone 8 and iPhone 8 Plus at the Steve Jobs Theater in the Apple Park campus. The phone is slated for release on November 3, 2017. This iPhone marks the iPhone’s tenth anniversary, “X” being the symbol for “ten” in Roman numerals.

Within Apple’s line-up, the iPhone X is positioned as a high-end, premium model intended to showcase advanced technologies. Leaks, including those from case manufacturers, as well as HomePod firmware and the final version of iOS 11, revealed various aspects of the device prior to its unveiling, including the fact that it would have a nearly bezel-less design and no physical home button, an OLED display, dual cameras with improved depth sensing, and a face recognition unlock system known as Face ID.

 

Face ID replaces the Touch ID system entirely on this model. An infrared camera reads the dot pattern, captures an infrared image, then sends the data to the secure enclave in the A11 Bionic chip (which contains a dedicated AI accelerator) to confirm a match. The Flood illuminator is an invisible infrared light that helps identify the user’s face in the dark. A dot projector uses more than 30,000 invisible dots are projected onto it to build its unique facial map.

The system will not work with eyes closed—preventing access if unattended.
The iPhone X features two cameras, an 12 MP wide-angle camera with six-element lens, autofocus, IR filter, Burst mode, f/1.8 aperture, digital image stabilization, and optical image stabilization. It can record 4K video at 24, 30, or 60 fps or 1080p at 30 or 60 fps, and slow-motion video (1080p at 120 or 240 fps), timelapse with stabilization. It can capture panoramas, can recognize faces. The telephoto lens has 2× optical zoom / 10× digital zoom, Portrait Lighting (beta), f/2.4 aperture, and optical image stabilization. It also has a quad-LED “True Tone” flash with Slow Sync.

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