The Samsung Galaxy Note 7 (marketed as Samsung Galaxy Note7) is a discontinued Android phablet smartphone that was produced and marketed by Samsung Electronics. Unveiled on 2 August 2016,[5] it was officially released on 19 August 2016 as a successor to the Galaxy Note 5. Although it is the sixth main device in the Galaxy Note series, Samsung branded its series number as "7" instead, so that consumers would not perceive it as being inferior to the flagship Samsung Galaxy S7.
The Galaxy Note 7 is an evolution of the Galaxy Note 5 that inherited hardware components and improvements from the Galaxy S7, including the restoration of expandable storage and IP68 water resistance, and new features such as a dual-sided curved display, support for high-dynamic-range (HDR) color, improvements to the bundled stylus and new software features which utilize it, an iris recognition system, and a USB Type-C port. Demand for the Galaxy Note 7 on-launch was high, breaking pre-order records in South Korea and causing international releases to be delayed in some markets due to supply shortages. The Galaxy Note 7 also received positive reviews from critics, praising the quality of its construction, HDR support, as well as its streamlined user interface, although it was panned for its high price and increasing similarities in overall specifications to the main Galaxy S series phones.
On 2 September 2016, Samsung suspended sales of the Galaxy Note 7 and announced an informal recall, after it was found that a manufacturing defect in the phones' batteries had caused some of them to generate excessive heat, resulting in fires. A formal U.S. recall was announced on 15 September 2016.[6][7] Samsung exchanged the affected phones for a new revision, which utilized batteries sourced from a different supplier. However, after reports emerged of incidents where these replacement phones also caught on fire, Samsung recalled the Galaxy Note 7 worldwide on 10 October 2016, and permanently ceased production of the device on 11 October. Due to the recalls, Samsung has issued software updates in some markets that are intended to "eliminate their ability to work as mobile devices", including restricting battery capacity, and blocking their ability to connect to wireless networks. Samsung has stated that it intends to recycle reusable silicon and components from the recalled models, and release refurbished models "where applicable".
The recall had a major impact on Samsung's business in the third quarter of 2016, with the company projecting that its operating profits would be down by 33% in comparison to the previous quarter. Credit Suisse analysts estimated that Samsung would lose at least US$17 billion in revenue from the production and recall of the Galaxy Note 7.
Hardware!!he Galaxy Note 7's hardware is similar in overall specifications and design to the Galaxy S7, with a metal and glass chassis, IP68 water resistance, and a microSD card slot.[8] The Note 7 is equipped with an octa-core Exynos 8890 system-on-chip in most markets, and 4 GB of RAM. In China, Japan, and the United States, the Note 7 uses the quad-core Qualcomm Snapdragon 820instead (which supports older CDMA networks that are extensively used by wireless carriers in these markets),[9][10][11] Unlike the S7, which uses Exynos chips in this market, Canadian models of the Note 7 also use the Snapdragon 820.[12] The Note 7 uses a USB Type-C port—marking Samsung's first mobile phone with the symmetrical connector.[8][13][14]
The Galaxy Note 7 features a 5.7 inches (140 mm) 1440p Super AMOLED display. Similarly to the "Edge" models of the S6 and S7, the display curves over the side bezels of the device; the curvature allows the Note 7 to be 2.2 millimetres (0.087 in) narrower than the Galaxy Note 5.[8] The display supports high-dynamic-range video,[15] and is coated in Gorilla Glass 5.[16] As with all Galaxy Note models, the device is supplied with an active stylus branded as "S Pen". The Note 7 stylus supports 4,096 levels of pressure sensitivity and is water resistant.[8] The Note 7 features the same 12-megapixel rear-facing camera as the S7,[8] with a "Dual Pixel" image sensor and f/1.7 aperture lens.[4][17]
The Galaxy Note 7 also offers an iris recognition system, using a front-facing camera and infrared illumination. The iris scanner can be used for unlocking, and as authentication for other features of the device (such as Samsung Pay and Secure Folder). A fingerprint reader is also embedded in the home button.[
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