Samsung Galaxy S7 in White (left) and S7 Edge (right)
|Codename||Project Lucky (herolte, hero2lte)
Poseidon (S7 Active)
|First released||March 12, 2016
(S7, S7 Edge)|
June 10, 2016 (S7 Active)
|Units sold||According to a report from Strategy Analytics, the combined sales of the two smartphones reached 55 million units at the end of the first quarter of 2017. In the first three months of the year, the tech giant sold 7.2 million units of last year’s flagships.|
|Predecessor||Samsung Galaxy S6/S6 Edge/S6 Edge+/S6 Active|
|Successor||Samsung Galaxy S8/S8+/S8 Active|
|Related||Samsung Galaxy Note 7/Note FE|
|Type||Smartphone (S7, S7 Active)
Phablet (S7 Edge)
|System on chip|
|Memory||4 GB LPDDR4 RAM|
|Storage||32, 64 or 128 GB UFS 2.0|
|Removable storage||microSDXC, expandable up to 256 GB|
|Rear camera||Samsung ISOCELL S5K2L1 or Sony Exmor RS IMX260 12 MP (1.4 µm), f/1.7 aperture, 4K at 30 fps, 1080p at 60 fps, 720p at 240 fps|
|Front camera||Samsung S5K4E6 5 MP, f/1.7 aperture |
Samsung Galaxy S7, Samsung Galaxy S7 Edge and Samsung Galaxy S7 Active are Android smartphones manufactured and marketed by Samsung Electronics. The S7 series serves as the successor to the Galaxy S6, S6 Edge, S6 Edge+ and S6 Active released in 2015. The S7 and S7 Edge were officially unveiled on 21 February 2016 during a Samsung press conference at Mobile World Congress, with a European and North American release on 11 March 2016. The S7 Active was unveiled on 4 June 2016, and released on AT&T in the United States on 10 June 2016.
The Galaxy S7 is an evolution of the prior year's model, with upgraded hardware, design refinements, and the restoration of features removed from the Galaxy S6, such as IP certification for water and dust resistance, as well as expandable storage. Succeeding the S6 and S6 Edge+, respectively, the S7 is produced in a standard model with a display size of 5.1-inch (130 mm), as well as an Edge variant whose display is curved along the wide sides of the screen and also has a larger 5.5-inch (140 mm) display. The S7 Active featuring a thicker more rugged frame and an increased battery capacity. The Galaxy S7 and S7 Edge are the last two phones in the Samsung Galaxy S series to have a physical home button with a front-sided fingerprint sensor embedded in the button (the S7 Active being the last in the Active series to feature three physical buttons with the fingerprint reader embedded home button), and the last Samsung Galaxy S series phones to use MicroUSB charging.
The Galaxy S7's hardware design is largely identical to that of the S6; Unlike the S6 though, Samsung has decided to remove the built-in IR Blaster due to low demand. The device retains its metal and glass chassis, but with refinements such as a square home button, and a thinner protrusion for the camera. Both models are available in black and gold colors; white, pink, blue and silver versions are available depending on market. As a Worldwide Olympic Partner, special editions of the Galaxy S7 Edge were released by Samsung for the 2016 Summer Olympics, with a dark blue body and hardware and software accents inspired by the colors of the Olympic rings. The devices were sold in limited quantities in selected markets, and were given to nearly all athletes participating in the 2016 Summer Olympics (the 31 phones meant for the North Korean team were confiscated by order of the country's government). In October 2016, Samsung announced a new light blue ("Blue Coral") color option, as previously offered on the recalled Galaxy Note 7.
The S7, S7 Edge & S7 Active are IP68-certified for dust and water resistance; unlike the Galaxy S5, the ports are sealed and thus do not require protective flaps. The S7, S7 Edge & S7 Active feature a 1440p Quad HD Super AMOLED display; the S7 & S7 Active both have a 5.1-inch panel, while the S7 Edge uses a larger 5.5-inch panel. As with the prior model, the S7 Edge's screen is curved along the side bezels of the device. All three models (S7, S7 Edge & S7 Active) have larger batteries in comparison to the S6, with 3000 mAh, 3600 mAh & 4000 mAh capacity respectively and support for AirFuel Inductive (formerly PMA) and Qi wireless charging standards; however, the S7 does use MicroUSB charging. They also feature a 12-megapixel rear-facing camera with a "Dual Pixel" image sensor and f/1.7 aperture lens.
Galaxy S7 devices are equipped with an octa-core Exynos 8890 system on a chip and 4GB of RAM in China. In the United States the S7 uses the quad-core Qualcomm Snapdragon 820; unlike Exynos, this SoC supports older CDMA networks that are extensively used by carriers in these markets. The heat from the processor is transferred with a 0.4mm thick water-to-steam heat pipe cooling system. The S7 includes either 32, 64 or 128 GB of internal storage (in most markets only the 32 GB model will be available). Storage can be expanded using a microSD card.
S7 devices are packaged with a USB OTG adapter. It can be used with the included "Smart Switch" app to help transfer content and settings from a previous Samsung Galaxy device running Android 4.3 or later, iPhone running iOS 5 or later, or BlackBerry running BlackBerry OS 7 or earlier.
The Galaxy S7 ships with Android Marshmallow (6.0) and Samsung's proprietary TouchWiz software suite. The new TouchWiz also allows the user to disable the app drawer. A new "Always On" functionality displays a clock, calendar, and notifications on-screen when the device is in standby. The display is turned off completely if the device's proximity sensor detects that it is in an enclosed space such as a pocket. Samsung claims this feature would only consume half a percentage of battery capacity per-hour. New widget panes can be displayed on the edge of the S7 Edge, in "Edge Single" and wider "Edge Single Plus" sizes. Android Marshmallow's "adopted storage" feature was disabled by Samsung and is not usable.
An update in September 2016, added support for Vulkan, a new low-level graphics API. In January 2017, Samsung began to deploy Android 7.0 "Nougat" for the S7. It introduces a refreshed interface, Samsung Pass—a platform allowing apps to provide biometric authentication via the fingerprint reader, and new "Performance mode" settings with optimizations for gaming, entertainment, and battery usage.  In the summer of 2018, the S7 received Android 8.0 "Oreo".
The Galaxy S7 received generally positive reviews with critics praising the return of the micro SD card slot and water resistance, while retaining the premium metal design of the preceding Galaxy S6. The design of the larger Galaxy S7 Edge was particularly praised, as its curved sides on the S7 Edge are used to "make the phone much narrower than it would be if it had a flat display. It makes the whole device smaller and easier to use. That becomes readily apparent when you put the S7 Edge next to other devices with 5.5-inch or similar screens" like the iPhone 6s Plus (5.5-inch) and Google Nexus 6P (5.7-inch). The quality of the primary (rear-facing) camera has been further improved, despite the megapixel decrease from 16 MP to 12 MP, it has larger 1.4-micron pixels and even faster focusing than its S6 predecessor.
There was some criticism of the Galaxy S7, due to the removal of MHL support and the IR Blaster of the Galaxy S6, stock music and video player apps have been replaced by the Google Play equivalents,, and the use of an "obsolete" Micro USB charging port instead of USB Type C.
The Exynos version is faster than the Qualcomm Snapdragon version at multitasking where there is a clear difference, as the Qualcomm version fails to keep as many apps in the background and takes more time to switch between apps. However, the Snapdragon version performs better in graphically intensive apps and games.
iFixit gave the S7 a repairability score of 3 out of 10, noting an excessive use of glue and glass panels, as well as it being nearly impossible to service certain components of the device (such as the daughterboard and other components) without removing the screen, which is not designed to be removed, and that "replacing the glass without destroying the display is probably impossible".
Between the Samsung Galaxy S7 and the Samsung Galaxy S7 Edge, approximately 100,000 devices were sold within two days of the official launch in South Korea. The Galaxy S7 had between 7-9 million units shipped in its first month. A total of 48 million units were sold in 2016.
At release, videos recorded at high frame rates stuttered, with both Exynos and Snapdragon models suffering from the issue. A following firmware update claimed to fix "flickering video playback after recording".
Some S7 Edge units have an irremovable vertical pink line on the display, which seems to appear at random. Samsung is offering free repairs/replacements for users in Belgium/Netherlands/Luxembourg (limited to those) under warranty given that the screen isn't externally damaged.
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