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Samsung Galaxy M31

Samsung Galaxy M31

Samsung Galaxy M31 is a one of the higher brands in the Galaxy M series; it is an upgrade of the M30, although there is another version of this smartphone that comes with a lot similar features which is called the Samsung Galaxy M31S that will be discussed in the next article.

It is hard to discuss this smartphone without mentioning its predecessor but as far as it features and specifications are concerned, this device comes with more improved specs such as its camera setup, battery capacity etc. This device is very sleek, it has a thickness of 8.9 mm which is one of the nicest things about this smartphone but you can easily carry it about.

This is a top mid-range smartphone, it comes with lots of amazing features and specs beginning from its body design to its hardware features. The Samsung Galaxy M31 comes in three different colors such as Space Black, Red and Ocean Blue. Before we explore the full specs and features of this device let’s take a look at its price in the market.

Samsung Galaxy M31

Samsung Galaxy M31 Price in Nigeria and Availability

The Samsung Galaxy M31 price in Nigeria starts from 125,000 to 137,500 Naira. There are three models of this device each having a different memory capacity. The internal memory is 6GB/64GB, 6GB/128GB, or 8GB/128GB. The price of these three models are not the same, usually, the one with a biggest memory capacity (8GB/128GB) is the most expensive.

Where to Buy Samsung Galaxy M31

The Samsung Galaxy M31 was released in March 2020 after its announcement the previous month. You can find this device in mobile phone retail outlets in the your city but just in case you don’t find the model you want, you can place your order online from any of the leading online stores regardless of your location, this device will be delivered to you within 3-5 working days.

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Top mid-range devices comes with some certain kind of design, the design of this smartphone is not so different from its predecessor. it is built with both glass and plastic, the rear which is built with plastic houses four cameras with an LED flash. These quad cameras are arranged in a rectangular box and just beside it is the fingerprint scanner. The front is built with glass; the front camera is placed at the center of the screen while the power and volume buttons are on the right side of the device

The device weighs 195 grams, and uses dual Nano-SIM; it is a 4G LTE device.


The Samsung Galaxy M31 features a Super AMOLED display measuring 6.4 inch with a screen resolution of 1080 x 2340 pixels, the display comes with 420 nit brightness at its peak with an aspect ratio of 19:5:9. The screen-t-body ratio is 84.1% and a display density of 403 PPI. The screen is comes with a Corning Gorilla Glass 3 protection which makes it difficult for it to easily get damaged or cracked.

Camera Setup

There is a substantial upgrade in the camera setup in comparison with its predecessor, here; there is four cameras on the back and a single one at the front. The main camera on the back is a 64MP wide camera with f/1.8 aperture, there is an 8MP ultrawide camera with f/2.2 aperture and 123 degree field view. There is a 5MP macro camera with f/2.2 aperture and 5MP depth sensor camera with f/2.2 aperture. These four cameras working together are amazing, they can record videos in 4K at 3ofps and 1080p videos at 30fps. They feature HDR, Panorama, and LED flash.

At the front is the selfie camera featuring a 32MP wide camera with an aperture of f/2.0. This front camera features HDR and it also capable of shooting videos capped at 4K@30fps and also 1080p videos at 30fps. It can take high quality images as well.

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The operating system that runs on the Samsung Galaxy M31 is Android 10.0 together with One UI 2.0 user interface. These are the two operating systems powering this smartphone. The memory of the smartphone varies depending on the model, the RAM is 6GB or 8GB while the ROM is 64GB or 128GB. There is a slot for a memory card which means that whichever model you purchase you can increase the internal memory with the help of a memory card.


The chipset of the Samsung Galaxy M31 is a Exynos 9611 based on 10mn, the CPU features an Octa-core running at 6.7 GHz and 4.7 GHz respectively, the graphics for the GPU features Mali-G72 MP3.

Powering this smartphone is a massive 6000 mAh Li-PO non-removable battery, this is really huge and it comes with a 15W fast charging support. Although this could have been higher but for some reason best known by the manufacturers they chose this.

Samsung Galaxy M31 main Features and Specs

• 6.4 inch Super AMOLED display, 1080 x 2340 pixels (~403 PPI)
• Fingerprint scanner (side)
• Back Cameras – Quad 64 / 8 / 5 / 5 Mega Pixels
• Front Camera – 32 Mega Pixels
• Operating System – Android 10, One UI 2.0
• 6GB / 8GB RAM (Random Access Memory)
• 64GB / 128GB ROM (Read-Only Memory)
• Supports 4G LTE
• 6000 mAh Li-Po non-removable battery, 15W fast charging
• Octa-core Exynos 9611 (10 nm)

Samsung Galaxy M31 Complete Specs & Features

Dimensions 159.2mm x 75.1mm x 8.9mm
Body Glass front, Plastic back, Plastic frame
Weight 191 grams
Colors Red, Ocean Blue, Space Black.
Selfie Camera 32MP
Selfie Camera Features HDR
Rear Camera Quad 64MP, 8MP, 5MP, 5MP
Rear Camera Features LED flash, HDR, (photo/panorama)
Video Resolution 4K@30fps, 1080p@30fps
Screen Type Super AMOLED, 420 nits (peak)
Screen Size 6.4 inches
Screen Resolution 1080 pixels by 2340 pixels
Screen To Body Ratio 84.1%
Pixel Density 403 PPI
Screen Protection Corning Gorilla Glass 3
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Operating System Android 10, One UI 2.0
Chipset Exynos 9611 (10nm)
CPU Octa-core (4×2.3 GHz Cortex-A73 & 4×1.7 GHz Cortex-A53)
GPU Mali-G72 MP3
Internal Storage 64GB, 128GB
External storage Yes
Network GSM / CDMA / HSPA / EVDO / 4G LTE
2G Yes
3G Yes
4G Yes
5G No
SIM Dual SIM (Nano-SIM, dual stand-by)
Bluetooth 5.0 A2DP
Radio Yes
USB USB Type-C 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Other features
Sensors Fingerprint (side mounted) accelerometer, proximity, Virtual proximity sensing
Earphone Jack Yes
Speaker Yes
Battery 6000 mAh, Li-Po non-removable battery
15W fast charging




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