The Samsung Galaxy M31 is an Android smartphone manufactured by

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

as part of the Galaxy M series. It was unveiled on 25 February 2020. Its key features include a 6.4 inch

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 ...

display, a quad-camera setup and a 6000 mAh battery.

Specifications

Design

The Samsung Galaxy M31 has a plastic unibody design with a glossy gradient finish. On the side frame; there is a power button and a volume rocker at the right, there is a SIM card/microSD card tray at the left, and there is a 3.5 mm headphone jack, a

USB-C USB-C (properly known as USB Type-C) is a 24-pin USB connector system with a rotationally symmetrical connector. The designation C refers only to the connector's physical configuration or form factor and should not be confused with the conne ...

port, a microphone and a speaker at the bottom. The rear camera setup paired with an LED flash and the capacitive fingerprint reader are located at the back. The phone has a 6.4 inch Infinity-U display with a U-shaped notch for the front-facing camera and a sizable bottom bezel. The phone measures 159.2 mm x 75.1 mm x 8.9 mm and weighs 191 grams. It is available in Ocean Blue, Space Black and Red.

Hardware

The Samsung Galaxy M31 has a 6.4 inch 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 electroluminescence, electroluminescent materia ...

display with 1080×2340 pixels resolution, 19.5:9 aspect ratio and ~403 ppi pixel density. It is powered by

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. Exy ...

9611

system-on-chip A system on a chip or system-on-chip (SoC ; pl. ''SoCs'' ) is an integrated circuit that integrates most or all components of a computer or other electronic system. These components almost always include a central processing unit (CPU), memory ...

with an octa-core (4x2.3 GHz

Cortex-A73 The ARM Cortex-A73 is a central processing unit implementing the ARMv8-A 64-bit instruction set designed by ARM Holdings' Sophia design centre. The Cortex-A73 is a 2-wide decode out-of-order superscalar pipeline. The Cortex-A73 serves as the ...

& 4x1.7 GHz

Cortex-A53 The ARM Cortex-A53 is one of the first two central processing units implementing the ARMv8-A 64-bit instruction set designed by ARM Holdings' Cambridge design centre. The Cortex-A53 is a 2-wide decode superscalar processor, capable of dual-iss ...

) CPU and

ARM In human anatomy, the arm refers to the upper limb in common usage, although academically the term specifically means the upper arm between the glenohumeral joint (shoulder joint) and the elbow joint. The distal part of the upper limb between the ...

Mali Mali (; ), officially the Republic of Mali,, , ff, 𞤈𞤫𞤲𞥆𞤣𞤢𞥄𞤲𞤣𞤭 𞤃𞤢𞥄𞤤𞤭, Renndaandi Maali, italics=no, ar, جمهورية مالي, Jumhūriyyāt Mālī is a landlocked country in West Africa. Mali ...

-G72 MP3 GPU. It comes with either 6 GB or 8 GB

RAM Ram, ram, or RAM may refer to: Animals * A male sheep * Ram cichlid, a freshwater tropical fish People * Ram (given name) * Ram (surname) * Ram (director) (Ramsubramaniam), an Indian Tamil film director * RAM (musician) (born 1974), Dutch * Ra ...

and 64 GB or 128 GB internal storage. It has a 6000 mAh non-removable

lithium polymer A lithium polymer battery, or more correctly lithium-ion polymer battery (abbreviated as LiPo, LIP, Li-poly, lithium-poly and others), is a rechargeable battery of lithium-ion technology using a polymer electrolyte instead of a liquid electrolyt ...

(Li-Po) battery with 15 W fast charging.

Cameras

The Samsung Galaxy M31 has a quad-camera setup with a 64 MP main camera, an 8 MP wide-angle camera, a 5 MP macro camera and a 5 MP depth sensor. It also has a 32 MP front-facing camera. Both the front-facing camera and the main camera can record 4K video at 30

fps FPS may refer to: Arts and entertainment * "F.P.S." (''Law & Order: Criminal Intent''), an episode of the TV show ''Law & Order: Criminal Intent'' * '' fps magazine'', a defunct magazine about animation * ''The Fabulous Picture Show'', a televi ...

Software

The Samsung Galaxy M31 comes

Android 10 Android 10 ( codenamed Android Q during development) is the tenth major release and the 17th version of the Android mobile operating system. It was first released as a developer preview on March 13, 2019, and was released publicly on Septembe ...

with

One UI One UI is a user interface developed by Samsung Electronics for its Android devices running Android 9 "Pie" and later. Succeeding Samsung Experience and TouchWiz, it is designed to make using larger smartphones easier and be more visually appea ...

2.preinstalled. The phone also received One UI 2.1 and One UI 2.5 user interface updates before getting a Android version update. It was then revealed that the Samsung Galaxy M31 was eligible for Android 11 version update. On 19 January 2021, the phone started receiving

Android 11 Android 11 is the eleventh major release and 18th version of Android, the mobile operating system developed by the Open Handset Alliance led by Google. It was released on September 8, 2020. The first phone launched in Europe with Android 11 ...

update with One UI 3 user interface. The phone then received an update for One UI 3.1 user interface in March 2021. In April 2022, the phone started receiving

Android 12 Android 12 is the twelfth major release and 19th version of Android, the mobile operating system developed by the Open Handset Alliance led by Google. The first beta was released on May 18, 2021. Android 12 was released publicly on October 4 ...

version update with One UI 4.1 user interface.

References