Making sense of Samsung's Galaxy A and M series models is getting harder by the month, as new models are brought in with minor refreshes, but don't always line up in a logical order. For example, the very recent Galaxy M21 (Review) was basically a Galaxy M30s (Review) with a different selfie camera, but going by the model names, it's impossible to make that connection.

Read complete Samsung Galaxy A31 Review

Samsung Galaxy A31 Summary

Even though the design of the Galaxy A31 isn't exactly fresh for a budget Samsung device, I do like the fact that it's slim and light. The all-polycarbonate body feels quite sturdy but it does pick up fingerprints easily. Overall, the Galaxy A31 was comfortable to use on a daily basis during this review.

The Galaxy A31 has a sharp 6.4-inch full-HD+ (1080x2400 pixels) Super AMOLED display. I found it to be more than adequate in terms of brightness, even in the daytime. There's an in-display fingerprint sensor, which isn't very quick but works well as long as you give it a firm press.

Samsung has used the MediaTek Helio P65 octa-core SoC, and I would have no problem with it on a phone that costs Rs. 10,000, but I certainly don't expect it on something that costs above Rs. 20,000. Samsung's One UI v2.1, based on Android 10, also feels a bit sluggish overall.

The four cameras on the back include a primary 48-megapixel sensor, an 8-megapixel sensor with a wide-angle lens, a 5-megapixel depth camera, and a 5-megapixel macro camera. Overall, the cameras on the Galaxy A31 are very underwhelming and lack many features that you'd find in many phones that cost a lot less.

Brand	Samsung
Model	Galaxy A31
Price in India	₹14,999
Release date	24th March 2020
Launched in India	Yes
Form factor	Touchscreen
Dimensions (mm)	159.30 x 73.10 x 8.60
Weight (g)	185.00
Battery capacity (mAh)	5000
Removable battery	No
Fast charging	Proprietary
Wireless charging	No
Colours	Prism Crush Black, Prism Crush Blue, Prism Crush White

Screen size (inches)	6.40
Touchscreen	Yes
Resolution	1080x2400 pixels
Aspect ratio	20:9

Processor	2GHz octa-core (2x2GHz + 6x1.7GHz)
Processor make	MediaTek Helio P65
RAM	6GB
Internal storage	128GB
Expandable storage	Yes
Expandable storage type	microSD
Expandable storage up to (GB)	512

Rear camera	48-megapixel (f/2.0) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4)
Rear autofocus	Yes
Rear flash	Yes
Front camera	20-megapixel (f/2.2)

Wi-Fi	Yes
Wi-Fi standards supported	802.11 a/b/g/n
GPS	Yes
Bluetooth	Yes
NFC	Yes
USB Type-C	Yes
Number of SIMs	2
SIM 1
SIM Type	Nano-SIM
GSM/CDMA	GSM
3G	Yes
4G/ LTE	Yes
Supports 4G in India (Band 40)	Yes
SIM 2
SIM Type	Nano-SIM
GSM/CDMA	GSM
3G	Yes
4G/ LTE	Yes
Supports 4G in India (Band 40)	Yes

Face unlock	Yes
In-Display Fingerprint Sensor	Yes
Compass/ Magnetometer	Yes
Proximity sensor	Yes
Accelerometer	Yes
Ambient light sensor	Yes

Operating system	Android 10
Skin	One UI 2.1

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