Thumbnail of product Galaxy A31 from brand Samsung
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Smartphone Samsung Galaxy A31

Samsung
Phones
Smartphone

The Samsung Galaxy A31 is a modern and versatile smartphone aimed at a wide audience. Equipped with a 6.4-inch Super AMOLED display with a resolution of 2400 x 1080 pixels, it offers an exceptional visual experience, ideal for watching videos and browsing the web.

With an 8-core processor running at 2 GHz and 4 GB of RAM, the Galaxy A31 ensures smooth performance for multitasking and demanding applications. Its internal storage capacity of 128 GB, expandable via a MicroSD card up to 512 GB, allows for a large amount of files and applications to be stored.

The photography aspect is not lacking with a quadruple rear camera of 48 MP, offering impressive quality shots, even in low light conditions thanks to its f/2.0 aperture. The 20 MP front camera is perfect for capturing selfies and making quality video calls.

With a 5000 mAh battery, the Galaxy A31 ensures extended battery life, allowing users to enjoy its features without worrying about frequent recharging. Additionally, it is equipped with wireless charging technology and a fingerprint reader for added security.

In terms of connectivity, this smartphone supports 4G networks, Wi-Fi, Bluetooth 5.0, and has a USB Type-C port for fast data transfer. Weighing 185 g and with compact dimensions, the Galaxy A31 is both lightweight and easy to handle, making it an ideal companion for everyday use.

In summary, the Samsung Galaxy A31 combines advanced technical features and a user-friendly interface, making it a wise choice for those seeking a reliable and high-performing smartphone.

Manuals of product Galaxy A31

First page image of the manual for Galaxy A31

User Manual
182 pages
View manual
First page image of the manual for Galaxy A31

Instructions / Assembly
977 pages
View manual
First page image of the manual for Galaxy A31

Safety Instructions
942 pages
View manual
8 10

Editorial note

The Samsung Galaxy A31 stands out with its 6.4-inch Super AMOLED display, offering exceptional display quality and vibrant colors, ensuring an immersive user experience. Its 5000 mAh battery provides extended battery life, allowing for intensive use without frequent recharging. Additionally, its sleek and lightweight design, weighing 185 g, makes it easy to hold and carry. However, some drawbacks deserve to be highlighted. The lack of wireless charging may disappoint users seeking convenience. Furthermore, although the versatile camera system with a 48 MP rear camera allows for capturing good quality images, the presence of only one rear camera limits versatility compared to other models offering more advanced camera systems. The processor, while efficient for everyday tasks, shows its limits against newer models, which can affect performance during demanding tasks. Finally, while the Samsung Galaxy A31 offers good value for money with its modern features such as 4G connectivity and Bluetooth 5.0, the absence of FM radio and a repairability index of 5.9 still leave room for improvements. In summary, this smartphone is a solid choice for those looking for a high-performing and aesthetically pleasing device, despite some limitations.

Score details

User experience

The user experience is generally positive thanks to a 6.4-inch Super AMOLED display that offers exceptional picture quality and vibrant colors, although the lack of wireless charging may disappoint some users.

Performance

The processor of the Samsung Galaxy A31 is efficient for everyday tasks, but it can show its limits against newer or more powerful models, which may affect performance in demanding tasks.

Battery life

The 5000 mAh battery ensures extended battery life, allowing for intensive use without frequent recharging.

Design

The sleek and lightweight design (185 g) makes it easy to hold and carry, while offering a modern aesthetic.

Features

The versatile camera system with a 48 MP rear camera allows for capturing high-quality images in various lighting conditions, although the presence of only one rear camera limits versatility compared to other models.

Value for money

Although the Samsung Galaxy A31 offers good value for money with its modern features such as 4G connectivity and Bluetooth 5.0, the lack of FM radio and a repairability score of 5.9 still leave room for improvement.

Advantages

6.4-inch Super AMOLED display, vibrant colors

5000 mAh battery, extended battery life

48 MP rear camera, quality photos

4G connectivity, Bluetooth 5.0, fast Wi-Fi

Lightweight and sleek design, easy to carry

Fingerprint reader for quick security

Disadvantages

No wireless charging

Less versatile rear camera

Absence of FM radio

Processor less powerful than the competition

Weight of 185 g considered heavy

Repairability index of 5.9

Repairability index

5.9 / 10

The Galaxy A31 from Samsung has a good repairability index. It is relatively easy to repair, and parts are generally accessible. Some repairs can be done yourself without much difficulty.

Technical Specifications Galaxy A31

General Information

Screen

  • Screen shape
    -
  • Screen size
    6.4 "
  • Screen resolution
  • Number of colors displayed
    2400 x 1080 pixels
  • Rounded screen corners
  • Second LCD screen
    16 million colors
  • Display the name of technology marketing
  • Type of panel
    Yes
  • No
  • Super AMOLED
  • OLED

Other features

  • Touch screen
    Yes

Design

  • Format
    Bar
  • Product color
    Black

Representation / realization

  • Fingerprint reader
    Yes
  • Fingerprint reader
    Yes
  • Wireless charging
    No
  • Country of origin
    South Korea
  • Wireless charging
    No

Processor

  • Processor family
    -
  • Processor model
    -
  • Processor frequency
    2 GHz
  • Number of processor cores
    8
  • Coprocessor
    Yes
  • Coprocessor frequency
    1.7 GHz

Navigation

  • Galileo
    Yes
  • Galileo
    Yes
  • Galileo
    Yes
  • Galileo
    Yes
  • Galileo
    Yes

Storage support

  • RAM capacity
    4 GB
  • Internal storage capacity
    128 GB
  • User memory
    104.6 GB
  • Compatible memory cards
    MicroSD (TransFlash)
  • Maximum memory card size
    512 GB

Multimedia

  • FM Radio
    -

Software

  • Installed operating system
    -
  • Platform
    Android
  • Application distribution platform
    Google Play

Camera

  • Rear camera type
    Four cameras
  • Resolution of the rear camera (digital)
    48 MP
  • Resolution of the fourth rear camera (digital)
    5 MP
  • Resolution of the third rear camera (digital)
    8 MP
  • Resolution of the fourth rear camera (digital)
    5 MP
  • Rear camera opening number
    2
  • Opening number of the fourth rear camera
    2.4
  • Front camera opening number
    2.2
  • Opening number of the fourth rear camera
    2.4
  • Angle of the field of view of the third rear camera
    123 °
  • Front camera type
    Single camera
  • Front camera resolution (digital)
    20 MP
  • Auto focus
    Yes
  • Video capture resolution
    1920 x 1080 pixels
  • Maximum cadence
    60 fps
  • Front camera opening number
    2.2
  • Auto focus
    Yes
  • Quick shot resolution
    1920x1080@30fps
  • Video recording modes
    1080i, 1080p

Battery

  • Battery technology
    -
  • Battery capacity
    5000 mAh
  • Waiting time (3G)
    - h
  • Conversation duration (4G)
    33 h
  • Waiting time (3G)
    - h
  • Browsing duration (4G)
    20 h
  • Browsing duration (4G)
    20 h
  • Streaming audio playback
    97 h
  • Continuous video playback
    22 h

Detectors

  • Proximity sensor
    Yes
  • Proximity sensor
    Yes
  • Proximity sensor
    Yes
  • Proximity sensor
    Yes
  • Proximity sensor
    Yes

Weight and dimensions

  • Weight
    185 g
  • Width
    73.1 mm
  • Depth
    8.6 mm
  • Height
    159.3 mm

Network

  • SIM card capacity
    -
  • Mobile network generation
    4G
  • SIM card type
    NanoSIM
  • 3G Standards
    UMTS
  • 4G standard
    LTE-TDD & LTE-FDD
  • Contactless payment
    Yes
  • Wifi standards
    802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
  • Contactless payment
    Yes
  • Bluetooth model
    5.0
  • 3G bands supported
    850,900,1900,2100 MHz
  • 4G support
    700,800,850,900,1800,1900,2100,2300,2500,2600 MHz
  • Contactless payment
    Yes
  • Contactless payment
    Yes

Registration

  • Registration type
    -

Connectivity

  • USB connector
    USB Type-C
  • USB port
    Yes
  • USB Version
    2.0
  • Lightning Connector
    No
  • Headset connection
    3.5 mm
  • Lightning Connector
    No

Certificate

  • DAS head (EU)
    0.488 W/kg
  • DAS body (EU)
    1.68 W/kg

Technical details

  • The repairability index
    5.9

Frequently Asked Questions

How do I reset my Samsung Galaxy A31?
To reset your Galaxy A31, press and hold the volume up, power, and home buttons simultaneously during startup.
What should I do if my SIM card is too small for my Samsung phone?
You can use a SIM card adapter to insert the undersized SIM card. This adapter will then fit into the phone.
What is the IMEI number?
The IMEI, or "International Mobile Equipment Identity," is a unique fifteen-digit number that identifies your Samsung phone among other devices.
What are the dimensions of my smartphone's screen?
The size of your smartphone is measured in inches, where 1 inch equals 2.54 centimeters. This measurement corresponds to the diagonal of the screen, which you should measure from the bottom left corner to the top right corner.
Can my smartphone's battery explode?
Ensure that your smartphone's battery does not overheat, as there is a very low risk of it exploding.
What is the operating system of the Samsung Galaxy A31?
The Samsung Galaxy A31 runs on the Android operating system.
What is the weight of the Samsung Galaxy A31?
The Samsung Galaxy A31 weighs 185 g.
What is the size of the Samsung Galaxy A31's screen?
The screen of the Samsung Galaxy A31 measures 6.4 inches.
What is the height of the Samsung Galaxy A31?
The height of the Samsung Galaxy A31 is 159.3 mm.
What is the resolution of the Samsung Galaxy A31's screen?
The resolution of the Samsung Galaxy A31's screen is 2400 x 1080 pixels.
What is the width of the Samsung Galaxy A31?
The width of the Samsung Galaxy A31 is 73.1 mm.
What is the depth of the Samsung Galaxy A31?
The Samsung Galaxy A31 has a depth of 8.6 mm.
What type of USB connection does the Samsung Galaxy A31 use?
The Samsung Galaxy A31 is equipped with a USB Type-C port.
What is the storage capacity of the Samsung Galaxy A31?
The storage capacity of the Samsung Galaxy A31 is 128 GB.
How do I set up biometric authentication on my Samsung Galaxy A31?
To set up biometric authentication, go to Settings, select Biometrics and security, then choose the desired type of biometrics, such as fingerprint or facial recognition, and follow the on-screen instructions.
How do I transfer files from my computer to my Samsung Galaxy A31?
To transfer files from your computer to the Samsung Galaxy A31, connect the phone to the computer with a USB cable. Then, open the notification panel on your phone, tap the USB connection notification, select 'Transfer files', and your phone will be visible as a device on your computer. You can then drag and drop the files to transfer.
How do I take a screenshot on the Samsung Galaxy A31?
To take a screenshot, press the power button and the volume down button simultaneously until a visual and sound confirmation appears. The screenshot will be saved in your phone's gallery.
How do I clear the app cache on my Samsung Galaxy A31?
To improve performance, you can clear the app cache. Go to Settings, select Apps, choose the relevant app, then tap Storage and select 'Clear cache'. You can repeat this process for other apps.
How do I enable dark mode on the Samsung Galaxy A31?
To enable dark mode, go to Settings, select Display, then tap Dark mode and turn it on. This will change the system interface and compatible apps to a darker design, reducing eye strain and saving battery on OLED screens.
Does the Samsung Galaxy A31 have a touchscreen?
Yes, the Samsung Galaxy A31 is equipped with a touchscreen, allowing users to interact directly with the device.
What is the display resolution of the Samsung Galaxy A31?
The display resolution of the Samsung Galaxy A31 is 2400 x 1080 pixels, providing sharp and detailed visuals.
Does the Samsung Galaxy A31 have a fingerprint reader?
Yes, the Samsung Galaxy A31 features a fingerprint reader, allowing users to securely unlock their device and protect their personal information.
Is the Samsung Galaxy A31 made in South Korea?
Yes, the Samsung Galaxy A31 is made in South Korea, ensuring it comes from Samsung's home country, known for the quality of its products.
Does the Samsung Galaxy A31 have GPS for location tracking?
Yes, the Samsung Galaxy A31 is equipped with GPS, allowing users to accurately locate their position and navigate using mapping applications.
Is the manual for the Samsung Galaxy A31 available in French?
Yes, the manual for the Samsung Galaxy A31 is available in French.

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Presentation of product Galaxy A31 specifications from brand Samsung

General Information

The Samsung Galaxy A31 is an innovative smartphone from the Samsung brand, known for its excellence in electronics. This model, referenced as Galaxy A31 | SM-A315GZKVXSA, is designed to provide an optimal user experience. Its EAN code, 8806090450822, allows for precise identification in the distribution system.

Screen

The smartphone features a 6.4-inch display with a resolution of 2400 x 1080 pixels, ensuring sharp images and vibrant colors. With 16 million colors displayed, every content, whether videos or photos, is presented with impressive clarity. Additionally, its rounded corners add a modern aesthetic touch. The Super AMOLED technology and the OLED panel type ensure excellent display quality.

Other Features

This model is also equipped with a touchscreen, offering intuitive and responsive navigation.

Design

With a bar format and a Black finish, the Samsung Galaxy A31 stands out with its elegant and contemporary design, combining practicality and aesthetics.

Representation / Realization

The phone allows for quality video calls, facilitating real-time communication. It is also equipped with a fingerprint reader for enhanced security. Although it does not have iris recognition, it benefits from wireless charging, adding convenience to its daily use. Originating from South Korea, this product embodies both quality and authenticity.

Processor

The Samsung Galaxy A31 is powered by a 2 GHz processor, providing good performance for everyday tasks. With 8 cores, it efficiently manages multitasking. A co-processor running at 1.7 GHz further enhances the smoothness of applications.

Navigation

The smartphone integrates an advanced positioning system with GPS, GLONASS, BeiDou, and Galileo, ensuring precise location for your travels.

Storage Support

With 4 GB of RAM and an internal storage of 128 GB, the Samsung Galaxy A31 offers sufficient capacity for your applications and files. It also supports MicroSD cards up to 512 GB, allowing for storage expansion as needed.

Multimedia

This model does not have an FM radio, which may be a disadvantage for users wishing to listen to radio stations without a data connection.

Software

The smartphone runs on Android, providing a smooth interface and various application possibilities, although it is not specified which operating system is pre-installed.

Camera

The Samsung Galaxy A31 is equipped with a rear camera setup that includes a main sensor of 48 MP, as well as additional sensors of 5 MP, 8 MP, and another 5 MP for increased versatility in image capture. The front camera, with a resolution of 20 MP, allows for quality selfies. Video capabilities include a resolution of 1920 x 1080 pixels, ensuring clear and detailed recordings.

Battery

The 5000 mAh battery offers impressive autonomy, allowing for prolonged use without frequent recharging. The nickel-metal hybrid (NiMH) battery technology ensures durability and optimal performance.

Sensors

The Galaxy A31 is equipped with various sensors, including an accelerometer, a gyroscope, a geomagnetic sensor, an ambient light sensor, and a proximity sensor, thus enriching its functionalities.

Weight and Dimensions

Weighing 185 g, this smartphone is lightweight and easy to handle. Its dimensions of 73.1 mm width, 8.6 mm depth, and 159.3 mm height ensure a pleasant grip.

Network

The Samsung Galaxy A31 supports a single SIM card and is compatible with 4G mobile networks, offering fast connectivity. It uses a NanoSIM port and supports 3G and 4G standards for an optimal communication experience.

Connectivity

With a USB Type-C connector, the smartphone allows for fast data transfer and efficient charging. It is also equipped with Bluetooth 5.0 for convenient wireless connectivity.

Certificate

The head SAR (EU) of the product is 0.488 W/kg and the body SAR (EU) is 1.68 W/kg, ensuring user safety in terms of exposure to electromagnetic waves.

Technical Details

The repairability index of the Samsung Galaxy A31 is 5.9, indicating a certain ease of repair, promoting sustainable use.