Overview of the Samsung Galaxy A31 smartphone with key features

The South Korean brand Samsung introduced in March 2020 another novelty - a smartphone of the Galaxy line - A31. The device turned out to be stylish, high-quality, with a Super AMOLED matrix, excellent cameras and high-performance hardware. Consider in detail all the characteristics of the smartphone, identify the advantages and disadvantages of the model.

Brand history

For 80 years, Samsung has been producing high-quality appliances purchased all over the world. Gadgets from South Korea differ from products from other manufacturers in excellent build quality, strict design, classic style, ergonomics and durability. The company produces both affordable smartphones with low performance and budget cost, as well as high-performance devices with flagship capabilities and a high price.For 15 years, Samsung appliances have been marked as the best-selling in the world. The Galaxy A line was opened in 2015, the calculation was for Asia and the Middle East, Latin America and Europe. Thanks to high-quality materials, high-performance Snapdragon processor, classic design and high-quality assembly, the products have spread all over the world and become recognizable by users.

Galaxy A31

The launch of the model was announced on March 24, 2020. The release is scheduled for April. Smartphones will go on sale in May-June 2020.

Design and ergonomics

Why are Samsung products popular and in demand among customers? Despite the variety of products from other manufacturers with flagship features and budget prices, Samsung appliances are distinguished by a strict classic design, a powerful processor and cool cameras. When buying, you will have to overpay a little for the brand. Here it is worth making a choice: reliability, warranty and quality or an unknown brand. Smartphone Galaxy A31 is no different from its counterparts. The monoblock case is made in the form of a rectangle with narrow frames.

The severity is smoothed by rounded corners and a U-shaped peephole of the front camera, located in the center at the top of the screen. The upper and side frames are almost invisible, the chin is indicated by a narrow strip. The back cover contains a corporate logo and a large, slightly protruding platform with the main cameras and LED flash. The SIM card tray is on the left, the volume is controlled by the button on the right, the lock / power button is located right there. The weight of the product is 185 gr. The overall dimensions of the case are as follows: 159.3 mm - height, 73.1 mm - width, 8.6 mm - thickness.The latter value directly depends on the capacity of the battery inside the device: the larger the battery, the thicker the case should be.

On sale, the novelty will be available in four bright shades: black Prism Crush Black, red Prism Crush Red, blue Prism Crush Blue, white Prism Crush White. Gadgets with a Prism Crush color prefix are distinguished by a special pattern on the back cover. To create the image, the Glastic material, made with a prismatic layer, is used. The shape of the pattern gives off homely warmth and shimmers in the light, thanks to gradient stylish 3D diamonds. Hue, brightness and color depth depend on the angle of inclination. The ergonomics of the smartphone is due to the size of the case and the quality of the coating: the device is comfortable to hold in your hand, it does not slip or fall out, and does not cause discomfort when held in an upright position during a telephone conversation.

Display characteristics

The screen is capacitive, with thin frames, distinguishes 16 million colors. The Super AMOLED type matrix is ​​active, has the shortest response time, and works instantly. Inside the display are organic elements with low energy consumption. Blacks are deep, with no backlighting in this area. Shades of other colors do not change when the machine is tilted. The screen size ratio is 20 : 9, the diagonal is 6.4 inches, the screen size relative to the body is 84.9%. Matrix resolution 1080 x 2400 pixels, pixel density - 411 units per inch. The display operates on an area of ​​98.9 sq.cm. There is no information about protective glass. Most likely, it is installed, as on the previous similar model Samsung Galaxy A71.

Applied technologies

The device works on the main standards: 2G technologies are used with 4 GSM bands on models with two SIM cards; four bands 3G HSPA and 11 bands 4G LTE. Transfer speed, unfortunately, is not specified. 5G technology is not included in the novelty. One Nano-SIM or two similar Nano-SIM cards with dual standby is suitable for the smartphone. Wired technologies include a 3.5mm mini-jack headset jack, USB 2.0 jack, reversible Type-C 1.0 jack, and USB On-The-Go, which allows you to connect two devices with a USB cable without connecting them to a desktop computer. Without wires within a radius of 10 - 15 meters, you can connect to your smartphone via a Bluetooth 5.0 connection or a dual-band Wi-Fi connection with an access point and Wi-Fi Direct, with an encrypted password. The manufacturer will release two types of models: SM-A315F, SM-A315F/DS. Modifications will have differences in built-in functions (for example, the absence of an NFC chip). During long trips, one of the available navigation systems will suit the driver: GPS, with A-GPS, BDS, GALILEO, GLONASS.

Operating system and interface graphics

Modern models of Samsung smartphones are equipped with interesting and convenient options based on the latest OS versions. The model has the Android 10.0 operating system together with the proprietary One UI 2 shell. The system version has undergone cosmetic changes, quick access has been applied to the settings, applications and functions are located as conveniently as possible, a polished interface helps to quickly open the necessary menu and program pages. When viewed closely, the standard OS Android menu is used with small compact labels and elements.The blue filter in the shutter reduces screen radiation harmful to the user's health. Navigation can be controlled by gestures. Dual control: similar to the iPhone-th menu and the usual control of the sensor. The matrix promotes quick switching and performance. A special feature darkens the wallpaper and lock screen in an unusual way. Added an additional option for the off screen: the time and information about charging the device appeared on it. The option can be disabled if it is not needed. The choice of animation has become more diverse. The images themselves collapse to their own icon, and do not dissolve as in previous versions of the OS. The usual calendar has changed: one click of the finger, and the month is selected. In addition, the calendar now uses stickers for convenience. The user can get acquainted with the rest of the menu and system innovations after purchasing the gadget.

Processor and Memory

There is still little information about hardware, it is known that an 8-core Octa-core processor with an architecture and a frequency of 2 × 2.0 GHz + 6 × 1.7 GHz is installed. The manufacturer claims three types of models with memory capacity: 64 / 4 GB, 128 / 4 GB, 128 / 6 GB of internal and RAM, respectively.

Built-in add-ons and features

Samsung models have a standard set of add-ons. The compass allows you to determine the location and cardinal direction in an unfamiliar place. The proximity sensor saves battery power by turning off the screen when you hold it to your ear during a phone call. The accelerometer is responsible for the horizontal-vertical arrangement of the image in a plane at various, even minimal, rotation angles of the device. You can pay for purchases without a bank card using an NFC chip, but only in a number of countries.Some models with a chip will go on sale, some without a chip - the list of countries needs to be checked with the manufacturer. An optical fingerprint sensor is integrated inside the screen with a Super AMOLED matrix. The matrix provides instant response of the sensor. It remains to describe the gyroscope. Thanks to him, images when shooting photos - videos have high detail and clarity.

multimedia cameras

The main cameras are located in a block on the back cover. Their resolution: 48+8+5+5 MPix. The first camera with a wide lens and 2.0 aperture works with PDAF auto focus; second lens with 123 degree field of view. One 5-megapixel camera is responsible for macro shooting, the second is for color depth in portrait shooting. The unit is equipped with LED flash, panorama and HDR shooting modes.

The output video comes with one size: 1080 pix / 30 fps. The front camera with a resolution of 20 megapixels with a wide lens and an aperture of 2.2 shoots frames in photo and video mode. The video format is the same as that of the main camera.

Sound

The microphone and multimedia speaker are located at the bottom at the end. This location will not muffle the sound of the call if the phone is resting on a soft surface.

Functions and battery capacity

Built-in lithium-polymer battery is not removable, has a capacity of 5000 mAh. This is due to the thickness of the body of the device. Without recharging, the device is able to work in active mode for about two days. As in most modern models, the fast charging option works with a 15W adapter. The smartphone has a plastic case that does not allow the installation and use of wireless charging.

Main characteristics of the model

• reliable manufacturer;
• ergonomic model;
• thin frames;
• capacious battery;
• long battery life;
• a large number of cameras;
• high resolution cameras;
• memory can be expanded with a card;
• modern screen with minimal response time;
• beautiful and convenient proprietary OS shell;
• multifunctional;
• There is a fast charging function.

• The NFC chip is not installed in all countries;
• the average amount of RAM and internal memory;
• no wireless charging;
• games run at low settings.

Conclusion

In the last couple of years, Samsung has caught up with modern emerging brands and began to produce mid-range smartphones with excellent features. As an example, we can note devices of the Galaxy line with macro cameras and a capacious battery. Galaxy A31 is one of these models. To appreciate all the advantages of the device, it remains to wait for its appearance on the country's market.