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Samsung Galaxy A31
Samsung Galaxy A31
Samsung Galaxy A31
Samsung Galaxy A31
Samsung Galaxy A31
Samsung Galaxy A31
Samsung Galaxy A31

Informr score
The Samsung Galaxy A31 currently has an Informr score of 6.9 out of 10. This score is based on our evaluation of 8 sources including reviews from users and the web's most trusted critics.

Operating system
Operating system
2 GHz
2 GHz
Screen Size
Screen Size
48+ MP, f/2.0
48+ MP, f/2.0
5000 mAh

What the Critics Are Saying...

Fone Arena
Fone Arena

An sAMOLED display that is great for media consumption, a large solid battery that can handle the most power hungry applications and still last a day, and a camera experience that is quite reasonable. However, the performance of the MediaTek Helio P65 holds it back quite a bit and the design of the...

- Milan Nair, Fone Arena

The Samsung Galaxy A31 proves to be a successful smartphone in our test. Performance is more than sufficient for most everyday applications, and the camera performance is also convincing for a device in this price range. The Samsung Galaxy A31 proves to be a successful smartphone in our test. Perfor...

- Mike Wobker, Notebookcheck

The new Samsung Galaxy A31 proved to me that it is a capable phone in today’s competitive market at this price point. Although it is not using the usual Exynos or Snapdragon processor at its core, the A31 still managed to perform well even when you throw everything at it.

- Ohsem
Gadgets Now
Gadgets Now

The Samsung Galaxy A31 is a decent smartphone but it is facing competition in-house only. Priced at Rs 20,999, the smartphone ticks all the boxes but its M-series sibling the Galaxy M31 is a better and much affordable option. Display and battery are the highlights of the smartphone. And one cannot o...

- Heena Gupta, Gadgets Now

In isolation, the A31 can stand on its own as a decent, if not perfect budget to mid-range offer. If you are after an AMOLED panel on a budget, Samsung is kind of the place to look. Doubly so, after the A31's panel managed solid performance all around in our tests. Furthermore, it has excellent batt...

- GSMArena

Prices (Where to Buy)

Common Questions

We've got you covered! Download a free PDF copy of the Samsung Galaxy A31 user manual here.

Samsung backs up the Galaxy A31 with a 1 Year parts & labour warranty.

If your Galaxy A31 has problems and is still within its warranty period, you could contact Samsung support or the retailer you purchased the phone from. You'll find Samsung's contact information here. If your phone is off warranty and needs repair for a physical problem such as a broken screen or bad battery, you should visit an authorized service centre or a local phone repair shop. You can also connect with others in The Informr Community Forum to find and share answers to questions.

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Screen Size

The Samsung Galaxy A31's screen size is 6.4 inches with 1080 x 2400 pixels resolution.

2 GHz

There is a MediaTek Helio P65 MT6768 Octa-core 2 GHz processor (CPU).


The phone runs on the Android 10.0 operating system (OS).

48+ MP

You can take photos or capture video with the phone's onboard 48+ MP, f/2.0 camera.

There is also a secondary front facing camera with 20+ megapixels resolution.

64/128 GB

Internal memory is 64/128 GB. An external, MicroSD, microSDXC (up to 512 GB) expansion slot is available for increased storage capacity.


The phone is powered by a Lithium Polymer (Li-Pol), 5000 mAh battery. Samsung's performance ratings are 1980 minutes, 1200 minutes Wi-Fi surfing.

Galaxy A31 Specs

Release Date April 30, 2020
Regions Available United Kingdom
Operating System Android 10.0

Compare Android Smartphones

Processor MediaTek Helio P65 MT6768 Octa-core 2 GHz
Internal Storage 64/128 GB
RAM 4/6 GB
Hearing Aid Compatible No
Noise Cancellation Yes
SAR Head: 0.49 W/kg
Body: 1.68 W/kg
Manufacturer Warranty 1 Year
Accessories Included USB Power Adapter, Manual, Data Cable
Mobile / Cellular Data
Push-to-talk (PTT) No
Wi-Fi Calling No
Voice over LTE (VoLTE) Yes
SIM card size
Dual SIM Yes
USB OTG Support Yes
Infrared No
Bluetooth 5.0
Bluetooth Profiles A2DP, AVRCP, OPP/FTP, HID, HSP
Bluetooth Audio Codecs aptX, aptX HD
Wi-Fi 802.11 a/b/g/n
Mobile Hotspot Yes
Memory Expansion Slot Yes
Expansion Slot Info MicroSD, microSDXC (up to 512 GB)
Data Tethering Compatibility Yes
Main Camera
Resolution / Aperture
48+ Megapixels, f/2.0
Yes (LED)
Additional Rear Camera Info
Auto focus, Face detection, Geotagging, ISO, Multi-shot, Panorama, Self-timer, HDR, 2nd camera feature (8 MP, f/2.2, ultrawide), 3rd camera feature (5 MP, f/2.4, macro), 4th camera feature (5 MP, f/2.4, depth)
Video Recording Formats
Video Recording Parameters
Full HD (1920 x 1080 pixels), 30 fps
Front Camera
Resolution / Aperture
20+ Megapixels
Additional Front Camera Info
Video Recording Parameters
Full HD (1920 x 1080 pixels), 30 fps
Display / Screen
Type Color
Technology Super AMOLED
Colors 16.7 million
Resolution 1080 x 2400 pixels
Pixel Density 411 pixels
Size 6.4 inches
Secondary Display No
Sensors Ambient Light, Proximity, Motion / Accelerometer, Gyroscope, Digital Compass
Multi-Touch Yes
Fingerprint-Resistant Coating No
Additional Display Features Capacitive touchscreen, On-Screen Fingerprint
Power & Battery
Battery Type Lithium Polymer (Li-Pol)
Battery Capacity 5000 mAh
Removable Battery No
Wireless Charging No
Fast Charging Yes
Video Playback Time Up to 1320 minutes
Internet Use (Wi-Fi) Up to 1200 minutes
Internet Use (Cellular) Up to 1200 minutes
Talk Time Up to 1980 minutes
Standby Time Unknown
Mixed Usage
Physical Characteristics
Design Type Bar
Material Plastic
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Dimensions [H x W x D] 15.93 x 7.31 x 0.86 cm (6.3 x 2.9 x 0.3 in)
Weight 185 grams
Water Resistant / Waterproof No
Rugged design No
IP Rating Unknown
Headset Jack 3.5mm
External Speakers Yes
Input / Navigation
Sleep / Wake Key Yes
Home Key No
Input / Keyboard Type Touchscreen
Navigation Type Touchscreen
External Volume Control Yes
Fingerprint Sensor Yes
Additional Information Other Names (AKA): Samsung SM-A315F
Related Links Manual (PDF)
Samsung Galaxy A31 Reviews
Where to buy Samsung Galaxy A31
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