Samsung Galaxy M31 Detailed Review and Specification

Samsung has come up with its new smartphone series in 2019 that is Samsung Galaxy M31. The mid-range segment in the Indian smartphone market is becoming one of the competitive and high volumes price brackets. Samsung has understood and revised its strategy according to it. The company has introduced a new series that is M and A series to target this price bracket. Recently, Samsung has come up with there new smartphone in the market which is a successor of Galaxy M30s. It is a Samsung Galaxy M31 and it kindly look promising device, it has some improvements over Galaxy M30s. Generally, we do not feel a killer mid-range vibe from the Samsung M series but this smartphone looks competitive. So, lets checkout can it compete with other mid-range kings.

Hey! Did you check the First 5G smartphone of India


Samsung Galaxy M31 comes with the 6.4 inches Super AMOLED display of Full HD+ resolution. The screen is protected by a Corning Gorilla Glass 3 and has 411 PPI density. It is an Infinity -U display that provides peak brightness up to 420 nits. The display is one of the best in this price range and this is one of the things that you will never get disappointed with Samsung devices.

M31 Display


Design-wise, we get to see a plastic back and it really looks very poor. Moreover, the side grills are also made up of plastic and the smartphone weighs around 191 grams which looks heavier but the weight balance is really very well in the smartphone. Overall design-wise I am not quite happy with the smartphone, we are even not getting the case in the box. So, design-wise it looks some cringy and definitely not gives you the premium feel.

Check Samsung Galaxy S20 



Samsung Galaxy M31 powered by its own Exynos 9611 chipset which is an octa-core processor built on 10nm fabrication with a clock speed up to 2.3GHz.The chipset is coupled with a Mali-G72 GPU. The device comes with a 6 GB Ram and 64/128 GB UFS 2.1 internal storage. Performance-wise, you have an idea that I do not like Exynos chipset, they are not reliable and you can expect them to give you better performance in the future. Besides, gaming performance is not up to the mark. The device gives you the high gameplay setting option but practically it is not playable. Overall, if you are a heavy gamer then it is not definitely for you.


Samsung Galaxy M31 is running on One Ui 2 based on Android 10. We get to see a lot of bloatware on the first look. Also, do not get some major and important features of OneUI like Knox security, Edge screen and many more. Apart from that, OneUI works very seamlessly, the touch response and app speed for the smartphone are good.


In-camera department, we get to see an improvement from the previous device. It has a 64 Megapixel quad camera setup. The primary sensor is a 64 Megapixel Samsung GW1 sensor of aperture f/1.8. The secondary one is an 8 Megapixel wide-angle lens of aperture f/2.2. The third one is a 5 Megapixel macro sensor of aperture f/2.4. The fourth one is a depth sensor of 5 Megapixel sensor of aperture f/2.2.

Galaxy M31

We get the support of gyro-EIS which provides stabilization while shooting video. We can shoot video up to 4k resolution in a 60 fps setting. We get to see a 32 Megapixel selfie camera of aperture f/2.0. Samsung OneUi camera app comes with so many exciting and powerful features that are awesome.

The 64 Megapixel shots in the smartphone are really good, we get to see a lot of details in the pictures. Also, the wide-angle lens looks really improved and gives you a fine output. But in macro shots we feel that is quite shady, we do not see enough detail. Depth pictures are fantastic, we get to see a fine edge detection. The front camera also does well but still, we do not get enough details in the picture.

Battery & Other Features

The battery is one of the key highlights of the M series. The smartphone comes with a massive monster battery of 6000 mAh capacity. You can charge this monster battery with the 15 W fast charger. Battery performance is really fantastic, you can easily get a battery life of up to 1.5 days. We get to see a rear-mounted fingerprint scanner which is quite accurate, but the face unlock on the smartphone is slow. We have all the major sensors that are required but we do not have NFC.

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Display - 9.5
Design - 6
Performance - 5
Camera - 8.5
Battery - 10
Other Features - 8
Value For Money - 7


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Himanshu Parashar

I am a tech blogger and digital marketing expert. I started Techistaan to share my technical knowledge and to connect people with technology.

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