Samsung Galaxy M31

  • Samsung
  • 79,796 User Ratings
  • Last Updated: 19th December 2025
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Key Specs
  • Display 6.40-inch (1080x2340)
  • Processor Samsung Exynos 9611
  • Front Camera 32MP
  • Rear Camera 64MP + 8MP + 5MP + 5MP
  • RAM 6GB
  • Storage 128GB
  • Battery Capacity 6000mAh
  • OS Android 10
Market Status Released
Release Date 26th February 2020

Samsung Galaxy M31 in Pictures

Samsung Galaxy M31 Review

  • Good
  • Crisp AMOLED display
  • Excellent battery life
  • Decent performance
  • Good photo quality in daylight
  • Bad
  • Disappointing low-light camera performance
  • Spammy notifications
  • Poor video stabilisation

The Samsung Galaxy M series has gained a lot of popularity thanks to affordable prices and up-to-date hardware. Samsung has managed to lower prices by selling these models online, reducing distribution costs. The sub-Rs. 15,000 Samsung Galaxy M30 set the pace, and a refreshed version, the Galaxy M30s, really helped the company strengthen its position in this segment. Samsung has now launched a successor to the Galaxy M30s, called the Galaxy M31. You now get a quad-camera setup, an upgrade from the triple camera setup on the M30s. However, the processor and the battery capacity remain unchanged. Will this be enough to keep the Galaxy M series competitive in the market? We review the Galaxy M31 to find out.

Samsung Galaxy M31 Summary

The Samsung Galaxy M31 sports a big 6.4-inch display and has a waterdrop notch at the top. It has thin bezels around the AMOLED display which helps it stand out among the competition. The Galaxy M31 is comfortable to hold in the hand but is a little heavy at 191g. The weight of the smartphone is mainly because of the big 6,000mAh battery that it packs.

Samsung has equipped the Galaxy M31 with an Exynos 9611 SoC and gets 6GB of RAM. It has two storage variants to choose from, 64GB and 128GB. The Galaxy M31 is a dual SIM device with support for 4G as well as VoLTE. It runs Samsung OneUI 2.0 on top of Android 10. We found the Galaxy M31 to have a fair amount of bloatware onboard.

The Galaxy M31 has a quad-camera setup at the back with the primary being a 64-megapixel shooter. It also houses an 8-megapixel ultra-wide-angle camera, a 5-megapixel macro camera and a 5-megapixel depth sensor. Daylight camera performance is good but low-light camera performance was disappointing.

 

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Samsung Galaxy M31 Price in India

Samsung Galaxy M31 price in India starts from ₹ 18,999. The lowest price of Samsung Galaxy M31 is ₹ 18,999 at Amazon on 19th December 2025.

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Samsung Galaxy M31 Videos

Samsung Galaxy M31 Full Specifications

General
Brand Samsung
Model Galaxy M31
Price in India ₹18,999
Release date 26th February 2020
Launched in India Yes
Form factor Touchscreen
Body type Plastic
Dimensions (mm) 159.20 x 75.10 x 8.90
Weight (g) 191.00
Battery capacity (mAh) 6000
Removable battery No
Wireless charging No
Colours Blue, Black
Display
Screen size (inches) 6.40
Touchscreen Yes
Resolution 1080x2340 pixels
Aspect ratio 19.5:9
Hardware
Processor 2.3GHz octa-core (4x2.3GHz + 4x1.7GHz)
Processor make Samsung Exynos 9611
RAM 6GB
Internal storage 128GB
Expandable storage Yes
Expandable storage type microSD
Expandable storage up to (GB) 512
Dedicated microSD slot Yes
Camera
Rear camera 64-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)
Rear autofocus Yes
Rear flash Yes
Front camera 32-megapixel (f/2.0)
Software
Operating system Android 10
Skin One UI 2.0
Connectivity
Wi-Fi Yes
Wi-Fi standards supported 802.11 a/b/g/n/ac
GPS Yes
Bluetooth Yes, v 5.00
USB Type-C Yes
Headphones 3.5mm
Number of SIMs 2
Active 4G on both SIM cards Yes
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
Sensors
Face unlock Yes
Fingerprint sensor Yes
Compass/ Magnetometer Yes
Proximity sensor Yes
Accelerometer Yes
Ambient light sensor Yes
Gyroscope Yes
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Samsung Galaxy M31 User Review and Ratings

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