The Samsung Galaxy Note 7 is a discontinued Android-based phablet designed, developed, produced and marketed by Samsung Electronics. Unveiled on 2 August 2016, it was officially released on 19 August 2016 as a successor to the Galaxy Note 5. It is Samsung's first phone with a USB-C connector, and the last phone in the Galaxy Note series to have a physical home button. Although it is the sixth main device in the Galaxy Note series, Samsung branded its series number as "7" instead of "6" so consumers would not perceive it as being inferior to the flagship Samsung Galaxy S7, and to prevent confusion about the order of release due to the same release year (2016).
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-C port. Demand for the Galaxy Note 7 upon 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 received positive reviews from critics, who praised the quality of its construction, its HDR support, as well as its streamlined user interface, although it was criticized for its high price and increasing similarities in overall specifications to the main Galaxy S series of phones.
Samsung suspended sales of the Galaxy Note 7 and announced an informal recall on 2 September 2016 after it was found that a manufacturing defect in the phones' batteries caused some of them to generate excessive heat, resulting in fires. After a formal U.S. recall was announced on 15 September 2016, Samsung exchanged the affected phones for a new revision which utilized batteries sourced from a different supplier. However, after reports emerged of incidents where the replacement phones also caught fire, Samsung recalled the Galaxy Note 7 worldwide on 10 October 2016, and permanently ceased production of the device a day later. As a safety precaution, they distributed multi-layer fireproof boxes with packing instructions. Due to the recalls, Samsung issued software updates in some markets that were intended to "eliminate their ability to work as mobile devices", including restricting battery capacity and blocking their ability to connect to wireless networks. Samsung 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. In July 2017, nine months after the Note 7 recall, Samsung released a refurbished version of the Galaxy Note 7, known as Galaxy Note Fan Edition (marketed as Samsung Galaxy Note FE). It has a smaller battery of 3200 mAh and is supplied with Android Nougat with Samsung Experience UI, the operating system of the Galaxy S8. The successor to the Galaxy Note 7, the Galaxy Note 8, was announced on 23 August 2017 and released almost a month later.
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