The Samsung Galaxy Note 4 is an Android

smartphone A smartphone is a portable computer device that combines mobile telephone and computing functions into one unit. They are distinguished from feature phones by their stronger hardware capabilities and extensive mobile operating systems, which ...

developed and produced by

Samsung Electronics Samsung Electronics Co., Ltd. (, sometimes shortened to SEC and stylized as SΛMSUNG) is a South Korean multinational electronics corporation headquartered in Yeongtong-gu, Suwon, South Korea. It is the pinnacle of the Samsung chaebol, a ...

. It was unveiled during a Samsung press conference at

IFA Berlin The IFA ( ) or Internationale Funkausstellung Berlin (International radio exhibition Berlin, a.k.a. 'Berlin Radio Show') is one of the oldest industrial exhibitions in Germany. Between 1924 and 1939 it was an annual event, but from 1950 it was ...

on 3 September 2014 and was released globally in October 2014 as successor to the

Samsung Galaxy Note 3 The Samsung Galaxy Note 3 is an Android phablet smartphone produced by Samsung Electronics as part of the Samsung Galaxy Note series. The Galaxy Note 3 was unveiled on September 4, 2013, with its worldwide release beginning later in the month. S ...

. Improvements include expanded

stylus A stylus (plural styli or styluses) is a writing utensil or a small tool for some other form of marking or shaping, for example, in pottery. It can also be a computer accessory that is used to assist in navigating or providing more Accuracy an ...

-related functionality, an optically stabilized rear camera, significantly increased charging rate, revised multi-windowing, and

fingerprint A fingerprint is an impression left by the friction ridges of a human finger. The recovery of partial fingerprints from a crime scene is an important method of forensic science. Moisture and grease on a finger result in fingerprints on surfac ...

unlocking. It is the last in the

Samsung Galaxy Note series The Samsung Galaxy Note series is a discontinued line of high-end Android phablets and smartphones developed and marketed by Samsung Electronics. The line is primarily oriented towards pen computing; all Galaxy Note models ship with a stylu ...

with interchangeable battery. Its subsequent model, the

Samsung Galaxy Note 5 The Samsung Galaxy Note 5 (stylized as SΛMSUNG Galaxy Note5) is an Android-based phablet designed, developed, produced and marketed by Samsung Electronics. Unveiled on 13 August 2015, it is the successor to the Galaxy Note 4 and part of the S ...

, was unveiled on 20 July 2015.

Specifications

Hardware

Display

The Samsung Galaxy Note 4 features a 2560×1440 Quad HD (“ WQHD”)

Super AMOLED AMOLED (active-matrix organic light-emitting diode, ) is a type of OLED display device technology. OLED describes a specific type of thin-film-display technology in which organic compounds form the electroluminescent material, and active matrix ...

5.7-inch display with 2.5D damage-resistant

Gorilla Glass Gorilla Glass is a brand of chemically strengthened glass developed and manufactured by Corning, now in its seventh generation. Designed to be thin, light and damage-resistant, the glass gains its surface strength, ability to contain flaws, and ...

4 and provides a pixel density of 515 ppi (pixels-per-inch).

Chipsets

The Note 4 came in two variants, one powered by a 2.7 GHz quad-core

Qualcomm Snapdragon Snapdragon is a suite of system on a chip (SoC) semiconductor products for mobile devices designed and marketed by Qualcomm Technologies Inc. The Snapdragon's central processing unit (CPU) uses the ARM architecture. A single SoC may include mu ...

805 chipset with Adreno 420 GPU, the other powered by Samsung's

ARMv8 ARM (stylised in lowercase as arm, formerly an acronym for Advanced RISC Machines and originally Acorn RISC Machine) is a family of reduced instruction set computer (RISC) instruction set architectures for computer processors, configured ...

-A

Exynos Exynos, formerly Hummingbird (), is a series of ARM-based system-on-chips developed by Samsung Electronics' System LSI division and manufactured by Samsung Foundry. It is a continuation of Samsung's earlier S3C, S5L and S5P line of SoCs. Ex ...

7 Octa SoC with two clusters of four cores; four Cortex-A57 cores at 1.9 GHz, and four Cortex-A53 cores at 1.3 GHz, which is the same processor cluster sold for the

in markets that mostly use or only have 3G (such as

HSUPA High Speed Packet Access (HSPA) is an amalgamation of two mobile protocols—High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA)—that extends and improves the performance of existing 3G mobile telecommunic ...

and

HSPA HSPA may refer to: * High Speed Packet Access, a mobile broadband technology * Hawaiian Sugar Planters' Association Education * High School Proficiency Assessment The High School Proficiency Assessment (HSPA, pronounced "hess-pah" (/ˈhɛspə/) ...

), and/or '2G', such as unaltered

GSM The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation ( 2G) digital cellular networks used by mobile devices such as ...

and

CDMA Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication ...

networks, similar to how the Galaxy Note 3 is sold. The phone has metal edges with a plastic, faux leather back.

Connectivity

Both devices that use 4G, LTE/

LTE-A LTE Advanced (LTE+) is a mobile communication standard and a major enhancement of the Long Term Evolution (LTE) standard. It was formally submitted as a candidate 4G to ITU-T in late 2009 as meeting the requirements of the IMT-Advanced standard ...

and Hybrid 4G-LTE Networks were only sold in Canada, Australia, the

U.S. The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territo ...

, the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and Nor ...

(for some carriers),

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and th ...

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , established ...

, and

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korean Peninsula and sharing a land border with North Korea. Its western border is formed by the Yellow Sea, while its ea ...

, which have widespread 4G LTE Markets, or are solely 4G/LTE/LTE-A dependant such as Canada and Denmark, which did not use any 3G or older networks, except for

(Used as a fall back network should the signal strength be weak due to being underground or in the middle of a building), as well as

HSPA+ Evolved High Speed Packet Access, HSPA+, HSPA (Plus) or HSPAP, is a technical standard for wireless broadband telecommunication. It is the second phase of HSPA which has been introduced in 3GPP release 7 and being further improved in later 3GPP ...

, which is a 3G network, though considered by some to be the Original 4G. The

GPU A graphics processing unit (GPU) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. GPUs are used in embedded systems, mobil ...

in charge in the Exynos chipset is the Mali-T760. The Chinese variant utilizes the

TD-LTE In telecommunications, long-term evolution (LTE) is a standard for wireless broadband communication for mobile devices and data terminals, based on the GSM/ EDGE and UMTS/ HSPA standards. It improves on those standards' capacity and speed ...

and

TD-SCDMA The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP (3rd Generation Partnership Project), UMTS is a component of the Int ...

Plus Network.

Storage

Both variants came with 3 GB of

LPDDR3 Low-Power Double Data Rate (LPDDR), also known as LPDDR SDRAM, is a type of synchronous dynamic random-access memory that consumes less power and is targeted for mobile computers and devices such as mobile phones. Older variants are also known as ...

RAM and 32 GB of internal memory that can be expanded using

MicroSD Secure Digital, officially abbreviated as SD, is a proprietary non-volatile flash memory card format developed by the SD Association (SDA) for use in portable devices. The standard was introduced in August 1999 by joint efforts between SanD ...

-XC cards. The memory card slot has been relocated to allow

hot swapping Hot swapping is the replacement or addition of components to a computer system without stopping, shutting down, or rebooting the system; hot plugging describes the addition of components only. Components which have such functionality are said ...

without physical blockage by the battery.

Design

The Note 4's back-cover has a strong resemblance to the Note 3, with a faux leather texture (although without the simulated stitching). It has a new aluminum frame design, bearing resemblance from the Samsung Galaxy Alpha, but lacks an

IP67 The IP code or ingress protection code indicates how well a device is protected against water and dust. It defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 which classifies and pro ...

certification (water and dust resistance), which was present in Samsung's other flagship, the Galaxy S5, released half a year earlier.

Stylus

Like the predecessors, the Note 4 also includes a

pen, branded ''

S-Pen Samsung Galaxy (, stylised as SΛMSUNG Galaxy since 2015 (except Japan where it omits the Samsung branding), previously stylised as Samsung GALAXY; abbreviated as SG) is a series of computing and mobile computing devices that are designed, m ...

'', incorporated into the design. Samsung touted new S-Pen features including tilt and rotation recognition but these features were either not implemented or not supported. The

Wacom () is a Japanese company headquartered in Kazo, Saitama, Japan, that specializes in manufacturing graphics tablets and related products. Headquarters locations The main headquarters are located in Kazo, Saitama, Japan. Its office in the USA ...

digitizer has been upgraded to be able to distinguish between 2048 pressure sensitivity levels, twice as much as the predecessor. The ''Scrapbook'' feature introduced on the Galaxy Note 3 has been extended by a so-called ''Intelligent Selection'' feature that allows for

optical character recognition Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a sc ...

of highlighted screen areas.

Battery

The Note 4 also incorporates a user-removable 3,220

mAh ''Mångha'' (') is the Avestan for "Moon, month", equivalent to Persian ''Māh'' (; Old Persian ). It is the name of the lunar deity in Zoroastrianism. The Iranian word is masculine. Although Mah is not a prominent deity in the Avestan scrip ...

lithium-ion A lithium-ion or Li-ion battery is a type of rechargeable battery which uses the reversible reduction of lithium ions to store energy. It is the predominant battery type used in portable consumer electronics and electric vehicles. It also see ...

battery for the global model and a 3,000mAh non-removable lithium battery variant for the model sold in China. The global model is the last Samsung Mobile flagship to be equipped with user-replaceable battery. The device is the first flagship phone by Samsung to support

Qualcomm Quick Charge Quick Charge (QC) is a proprietary battery charging protocol developed by Qualcomm, used for managing power delivered over USB, mainly by communicating to the power supply and negotiating a voltage. Quick Charge is supported by devices such as ...

2.0 for fast charging up to 15 Watts. The Note 4 features a

USB 2.0 Universal Serial Bus (USB) is an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers. A broad ...

charging port instead of

USB 3.0 USB 3.0, released in November 2008, is the third major version of the Universal Serial Bus (USB) standard for interfacing computers and electronic devices. Among other improvements, USB 3.0 adds the new transfer rate referred to as '' ...

(as was in the Note 3 and S5), in favor of a new feature called ''Fast Charge'', which Samsung claims can charge the phone from 0% to 50% in about 30 minutes and from 0% to 100% in less than 100 minutes. With the wireless charging rear cover accessory, which exists in both a plain rear cover form factor and an S View flip cover (or ''S Charger View'') form factor, the battery can be charged wirelessly using Qi technology.

Miscellaneous

The Galaxy Note 4 uniquely features an

ultraviolet Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency around 30 PHz) to 400 nm (750 THz), shorter than that of visible light, but longer than X-rays. UV radiatio ...

ray measurement sensor. Like the Galaxy S5, it is also equipped with heart-rate monitor, oximeter, among other, more common sensors (

barometer A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis ...

, digital compass, front-facing proximity sensor,

accelerometer An accelerometer is a tool that measures proper acceleration. Proper acceleration is the acceleration (the rate of change of velocity) of a body in its own instantaneous rest frame; this is different from coordinate acceleration, which is accel ...

gyroscope A gyroscope (from Ancient Greek γῦρος ''gŷros'', "round" and σκοπέω ''skopéō'', "to look") is a device used for measuring or maintaining orientation and angular velocity. It is a spinning wheel or disc in which the axis of rot ...

). However, the Note 4 lacks the

thermometer A thermometer is a device that temperature measurement, measures temperature or a temperature gradient (the degree of hotness or coldness of an object). A thermometer has two important elements: (1) a temperature sensor (e.g. the bulb of a merc ...

and

hygrometer A hair tension dial hygrometer with a nonlinear scale. A hygrometer is an instrument used to measure the amount of water vapor in air, in soil, or in confined spaces. Humidity measurement instruments usually rely on measurements of some other qu ...

sensors which the

Galaxy S4 The Samsung Galaxy S4 is an Android smartphone produced by Samsung Electronics as the fourth smartphone of the Samsung Galaxy S series and was first shown publicly on March 14, 2013, at Samsung Mobile Unpacked in New York City. It is the succes ...

and Galaxy Note 3 from 2013 were equipped with. The ''

Air View The Samsung Galaxy S4 is an Android smartphone produced by Samsung Electronics as the fourth smartphone of the Samsung Galaxy S series and was first shown publicly on March 14, 2013, at Samsung Mobile Unpacked in New York City. It is the succes ...

'' feature is no longer useable with fingers like it is on the S4, Note 3, S5 and

Alpha Alpha (uppercase , lowercase ; grc, ἄλφα, ''álpha'', or ell, άλφα, álfa) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter aleph , whic ...

. However, it is still useable with the stylus. The capacitive key on the left side of the home button is now a task key, whereas it has been a menu key for previous

Galaxy Note series The Samsung Galaxy Note series is a discontinued line of high-end Android phablets and smartphones developed and marketed by Samsung Electronics. The line is primarily oriented towards pen computing; all Galaxy Note models ship with a styl ...

models. However, holding the task key for one second simulates a press of the menu key.Review of the Galaxy Note 4 by GSM Arena – Page 2: Retail package, 360-degree spin, design and handling, controls
/ref> Unlike its successor, the Galaxy Note 4 supports

Mobile High-Definition Link Mobile High-Definition Link (MHL) is an industry standard for a mobile audio/video interface that allows the connection of smartphones, tablets, and other portable consumer electronics devices to high-definition televisions (HDTVs), audio rece ...

(MHL), which can be used to connect the mobile phone to an

HDMI High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, ...

display. Next to the wireless charging S View cover, another accessory for the device is the ''LED flip wallet'' (or ''LED dot case''), which allows displaying the clock time through barely visible small pin holes on the front cover while closed.

S-View cover

The ''S-View cover'', a horizontal flip

case Case or CASE may refer to: Containers * Case (goods), a package of related merchandise * Cartridge case or casing, a firearm cartridge component * Bookcase, a piece of furniture used to store books * Briefcase or attaché case, a narrow box to ca ...

with preview window, shares the functionality of the predecessor's, except the ability to create ''Action Memos'' (digital

post-it notes A Post-it Note (or sticky note) is a small piece of paper with a re-adherable strip of glue on its back, made for temporarily attaching notes to documents and other surfaces. A low- tack pressure-sensitive adhesive allows the notes to be easil ...

) without unfolding the cover. A

flashlight A flashlight ( US, Canada) or torch ( UK, Australia) is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes (LEDs) since the ...

shortcut, optional analogue clock designs (next to the default,

digital clock A digital clock is a type of clock that displays the time digitally (i.e. in numerals or other symbols), as opposed to an analogue clock. Digital clocks are often associated with electronic drives, but the "digital" description refers only to ...

), as well as the ability to record video, a shortcut to dial contacts (phone numbers) marked as ''favourite'', and access to the

heart rate monitor A heart rate monitor (HRM) is a personal monitoring device that allows one to measure/display heart rate in real time or record the heart rate for later study. It is largely used to gather heart rate data while performing various types of phy ...

, all without opening the cover, have been added.

Software

The Samsung Galaxy Note 4 originally shipped with Google's mobile operating system, Android, specifically KitKat 4.4.4, with its user interface modified with Samsung's custom skin named

TouchWiz TouchWiz was a user interface developed by Samsung Electronics, Samsung Electronics Co., Ltd with partners, featuring a full touch user interface. It is sometimes incorrectly referred to as an operating system. TouchWiz is used internally by Samsu ...

Nature UX 3.0. The Note 4 contains most of the original Note's software features and functions, but also adds more significant upgrades from the predecessors, such as a new multitasking interface, expanded S-Pen functions, gestures, and refreshed menus and icons. However, some Samsung ''Smart Screen'' and air gesture control functionality which was present on the

, Galaxy Note 3, Galaxy S5 and Galaxy Alpha, including ''Air Browse'', ''Smart Pause'', ''Smart Scroll'' and ''Air Call Accept'', has been removed.Samsung Galaxy Note 4 review – Page 4: User interface
/ref> How to enable motion and gesture controls on the Galaxy Note 4
– AndroidPit – March 21, 2015

Software updates

The device can be updated to Android 5.0.1 Lollipop in many regions, bringing a new, refined UI, and new runtime. This version has been criticized for poor battery life. A further update to 5.1.1 is available, depending on the wireless carrier. Most Note 4 devices can also be updated to Android 6.0.1 Marshmallow, bringing Android features like Android Doze (a feature introduced in Marshmallow that saves battery life) and greater control over app permissions to the device. The Note 4 TouchWiz UI was also evolved featuring the home screen icon pack known from the

Galaxy S6 The Samsung Galaxy S6 is a line of Android-based smartphones manufactured, released and marketed by Samsung Electronics. Succeeding the Samsung Galaxy S5, the S6 was not released as a singular model, but instead in two variations unveiled and ...

and also features new S Pen features known from the

Galaxy Note 5 The Samsung Galaxy Note 5 (stylized as SΛMSUNG Galaxy Note5) is an Android-based phablet designed, developed, produced and marketed by Samsung Electronics. Unveiled on 13 August 2015, it is the successor to the Galaxy Note 4 and part of the Sa ...

such as the new Air command menu design with custom shortcuts and Screen-off memo. However, the UI is still very similar to the previous UI and slightly similar to the S6 UI, but most of the

UI resembles the original UI for the Note 4.

Multi-window

The new multitasking interface merges the Galaxy Note 3's “S-Pen window” feature and the split-screen feature known from the Galaxy Note 2,

, Galaxy Note 3 and Galaxy S5, into one feature. Applications (including the camera application) can be transitioned from floating pop-up view to flexible split-screen view and vice versa, and can be put from normal into pop-up view by dragging diagonally from an upper corner.Review of the Galaxy Note 4 user interface by GSMArena
/ref> Samsung_Galaxy_Note_4_Tip:_How_to_use_the_Multiwindow_feature
(5_minutes,_October_22nd_2014)

__Gallery_software_

The_Galaxy_Note_4_uses_a_gallery_software_very_similar_to_Samsung_Galaxy_S5#Camera_and_gallery_software.html" ;"title="ideo
Samsung Galaxy Note 4 Tip: How to use the Multiwindow feature
(5 minutes, October 22nd 2014)

Gallery software

The Galaxy Note 4 uses a gallery software very similar to Samsung Galaxy S5#Camera and gallery software">the one of the Galaxy S5, with support for functionality such as ''"Shot & More"'' and ''"Selective Focus"''. Additional camera modes can be downloaded from a store provided by Samsung.Samsung Galaxy Note 4 camera tips and tricks — AndroidCentral.com
/ref>''"How to add more camera modes on Galaxy S5 and Note 4"'' — CNet.com
/ref> The gallery software is compatible with the

feature that allows previewing photos from albums when hovering the stylus above it. User reports suggest that the Exif (meta data) viewer has been removed from Galaxy Note 4.

Camera

The main (rear-facing) camera is a 16 Megapixel (5312×2988) autofocus camera with 16:9 aspect ratio

image sensor An image sensor or imager is a sensor that detects and conveys information used to make an image. It does so by converting the variable attenuation of light waves (as they pass through or reflect off objects) into signals, small bursts of cu ...

(Sony

Exmor Exmor is the name of a technology Sony implemented on some of their CMOS image sensors. It performs on-chip analog/digital signal conversion and two-step noise reduction in parallel on each column of the CMOS sensor. Exmor RS is the world's ...

RS IMX240), featuring Smart OIS (Optical Image Stabilization + software image stabilization), being the first mobile phone of the

and the first original variant Samsung flagship phone to feature an optically stabilized rear camera. It allows optically stabilized 4K (2160p)

video recording Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media. Video was first developed for mechanical television systems, which were quickly replaced by cathode-ray tube (CRT) system ...

at 30 fps, 1080p video recording with 30 fps and 60 fps (''Smooth Motion'') options and also 120 fps

slow-motion Slow motion (commonly abbreviated as slo-mo or slow-mo) is an effect in film-making whereby time appears to be slowed down. It was invented by the Austrian priest August Musger in the early 20th century. This can be accomplished through the use ...

video recording in 720p resolution. An option for

1440p 1440p is a family of video display resolutions that have a vertical resolution of 1440 pixels. The ''p'' stands for progressive scan, i.e. non-interlaced. The 1440 pixel vertical resolution is double the vertical resolution of 720p, and one-third ...

video has been added in the camera software. Like the Galaxy S5, its rear camera supports

high dynamic range High dynamic range (HDR) is a dynamic range higher than usual, synonyms are wide dynamic range, extended dynamic range, expanded dynamic range. The term is often used in discussing the dynamic range of various signals such as images, videos, a ...

(HDR) video recording with up to 1080p at 30fps. While the camera software and user interface is largely inherited from the Galaxy S5, some changes have been made.

Digital zoom Digital zoom is a method of decreasing the precise angle of view of a digital photograph or video image. It is accomplished by cropping an image down to an area with the same aspect ratio as the original, and scaling the image up to the dime ...

is allowed up to eight times, twice as much as on the S5, Note 3 and earlier. The option to separately preserve the standard dynamic range version from

(HDR) photographs and the

Wi-Fi Direct Wi-Fi Direct (formerly Wi-Fi Peer-to-Peer) is a Wi-Fi standard for peer-to-peer wireless connections that allows two devices to establish a direct Wi-Fi connection without an intermediary wireless access point, router, or Internet connection. Wi- ...

remote viewfinder have been removed. The secondary (front-facing) camera is a 3.7 MP camera with an f1.9

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opti ...

that can record 2560×1440 QHD videos and capture wide-angle pictures. The Galaxy Note 4's front camera is the first front camera in any mobile phone that is able to record videos at

( WQHD) resolution. After the

LG G3 The LG G3 is an Android smartphone developed by LG Electronics as part of the LG G series. First released in South Korea on May 28, 2014, it is a successor to 2013's LG G2. Inheriting design elements from the G2, such as its thin screen bezels a ...

, the Galaxy Note 4 is the second mobile phone to be able to record optically stabilized 2160p (4K) video.Samsung Galaxy Note 4 review − Page 8: Camera
/ref>

Sales

Samsung Galaxy Note 4 was released around the start of October 2014 and was available in most major markets by the middle of October. The first regions to receive the device were South Korea and China where it gained huge popularity. In the first month only, the Galaxy Note 4 reportedly sold 4.5 million units, which is a little less than its predecessor, the Galaxy Note 3, which was able to report 5 million sales in the first month after release. Samsung says that sales of the Note 4 were lower than those of the Note 3 at launch because the Note 4 was initially unavailable in some major international markets due to manufacturing issues, delaying release until early November in markets including the United Kingdom and India.

Plug-in for Samsung Gear VR

Only Snapdragon variants of the Samsung Galaxy Note 4, sold by US and European mobile carriers, may be plugged into the

Samsung Gear VR The Samsung Gear VR is a virtual reality headset developed by Samsung Electronics, in collaboration with Oculus VR, and manufactured by Samsung. The headset was released on November 27, 2015. When in use, a compatible Samsung Galaxy device acts ...

headset, which was created in partnership with

Oculus VR Reality Labs is a business of Meta Platforms (formerly Facebook Inc.) that produces virtual reality (VR) and augmented reality (AR) hardware and software, including virtual reality headsets such as Quest, and online platforms such as Horizon Wo ...

Reception

The phone was met with critical acclaim. When the Note 4 was released in late 2014, DisplayMate measured the performance of the display and said it was the best performing smartphone display ever tested and raised the bar for display performance. Note 4s were used to film ''Cai Lan Gong'', the world's first feature film shot with a smartphone at 4K resolution.

Issues

eMMC class action

Many users reported that their Snapdragon Note 4 phones failed to boot with the error of "mmc_read failed". Some of them are reporting that the problem only occurs after the OTA Marshmallow update, but the other said that even without the update, they also got the same error. Related with this boot error, the same affected phones may freeze and eventually reboot after the screen locked, and in severe cases, reboot randomly during usage. A workaround of preventing the CPU from going into deep sleep is available. A class action lawsuit against Samsung about the eMMC problem in the United States is availabl

Owners of a Note 4 exhibiting the defect may submit a claim evaluation with the certified legal counsel, Kantrowitz, Goldhamer & Graifman, P.C, using th
form on their website

Battery Recall

Batteries are being recalled for overheating risk from counterfeit batteries that were installed on devices refurbished by

AT&T AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile te ...

Successors

The

(branded and marketed as ''Samsung Galaxy Note 5'') is an Android

phablet A phablet (, ) is a mobile device combining or straddling the size formats of smartphones and tablets. The word is a portmanteau of ''phone'' and ''tablet''. Phablets feature large displays that complement screen-intensive activity such as mo ...

smartphone developed and produced by

. The Galaxy Note 5, along with the Galaxy S6 Edge+, was unveiled during a Samsung press conference in

New York City New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the Un ...

on 13 August 2015. It is the successor to the Samsung Galaxy Note 4. The phone became available in the

on 21 August 2015. In Europe, the successor to the Note 4 is the Samsung Galaxy Note 8, as the Note 5 was never released in that region, and the

Note 7 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. I ...

was withdrawn from sales due to battery hazard.

References

External links

{{Authority control 4 Mobile phones introduced in 2014 Mobile phones with stylus Mobile phones with user-replaceable battery Mobile phones with infrared transmitter Mobile phones with 4K video recording Discontinued smartphones