Samsung Galaxy M31S Specs and Price

Samsung Galaxy M31S
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We now have the new version of the Galaxy M31. Yes, it’s the Samsung Galaxy M31S rocking similar features with the Realme 6 and the Xiaomi Redmi Note 9 Pro. Samsung Galaxy M31s features a 6.5-inch Super AMOLED display, four rear cameras, and an impressive 6000 mAh battery.

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The smartphone is now official in India and it debuts with a 6.5-inch Infinity-O display, Sony IMX682 64MP quad cameras, fast charging technology, and a huge battery.

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Remember, this is the improved version of the Galaxy M31S and it’s slightly bigger than the Galaxy M31.

Samsung Galaxy M31S Key Specs & Features

  • 6.5 inches Super AMOLED Display, 1080 x 2400 pixels, 20:9 ratio (~405 ppi)
  • Android 10, One UI 2.0
  • Octa-core Exynos 9611 (10nm)
  • 6GB, 8GB RAM
  • 128GB Built-in Storage up to 256GB Memory Card
  • 64 MP + 12 MP + 5 MP + 5 MP Quad Rear Cameras
  • 32 MP Front Camera
  • Fingerprint Scanner (Side)
  • 4G LTE Network
  • Fast Charging 25W
  • Reverse Charging
  • Non-Removable Li-Po 6000 mAh Battery

Samsung Galaxy M31s

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Design and Display

The Samsung Galaxy M31S packs an attractive body that is built with premium plastic and a glass on the front end. It has a smooth panel featuring a square camera set-up and an LED flash. The phone is available in amazing colors shade and has curved edges.

It adopts an S-AMOLED display of 6.5 inches with Infinity-O design. The display notch here is replaced by a punch-hole on the screen similar to the one on Galaxy S20.

It supports Full HD+ resolution, 20:9 aspect ratio, 78960:1 contrast ratio, and also peak brightness of 420nits. The Galaxy M31S offers a screen to body ratio of 91 percent.

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In comparison, the Galaxy M31S is slightly ahead of the Galaxy M31 that comes with a 6.4-inch S-AMOLED display and waterdrop notch.


On the camera department, the smartphone inherits the 32-megapixel front-facing camera that was found on the Galaxy M31. Whereas on the backside, it features the new Sony IMX682 64-megapixel lens with f/1.8 aperture as the primary snapper.

As you can see, this is a replacement for a Samsung GW1 64-megapixel lens that was made available on the Galaxy M31. Furthermore, the main camera is accompanied by a 123-degree ultrawide lens, a 5-megapixel macro shooter, and lastly is a depth helper of 5 MP adding depth effect.

The primary shooter is dubbed as Intelli-Cam offering an enhanced photography experience through the Single Take that allows users to capture up to 7 photos and 3 videos in one take.

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Other photography features on the smartphone include the ability to switch between front and rear cameras while video shooting, night hyperlapse for better photography in low-light conditions, AR Doodle, AR Emoji, and up to 4K video shooting.

Hardware and Software

The Samsung Galaxy M31S is blessed with a 10nm Exynos 9611 chipset that is clocking at a speed of 2.3GHz. This is the same processor that powered the Galaxy M31 and Galaxy M30S.

It also has Mali-G72 MP3 for graphics. It has 6GB and 8GB of LPDDR4x RAM. It packs native inbuilt storage of 128GB which is expandable. The Galaxy M31S is preloaded with an Android 10 operating system based on One UI 2.1 skin.

Battery and Network

The smartphone has a 6,000 mAh battery capacity with a retail box containing a 25W fast charger and a USB-C to USB-C cable that can be used for charging other devices. The company claims that the 25W charger can completely charge the phone to %100 in 97 minutes.

There is a side-mounted fingerprint scanner on the handset and it also has Face unlock for security. The network options are dual 4G VoLTE, Wi-Fi 802.11ac, Bluetooth 5.0, GPS, USB-C, and also a 3.5mm audio jack.

Samsung Galaxy M31S Price and Availability

The Samsung Galaxy M31S will sell at a price of about $260 for the 6GB RAM + 128GB while the 8GB RAM + 128GB will cost up to $487.

In Nigeria, it will start selling at a price of 115,000 Naira, 1,700 Ghs in Ghana, and 33,000 Ksh in Kenya. You can get the phone in Mirage Blue and Mirage Black color editions.

Samsung Galaxy M31S Specs

Here are a few specs of the Samsung Galaxy M31S:

General Features

  • Platform: Android 10, One UI 2.0
  • Processor: Exynos 9611 (10nm), Octa-core (4×2.3 GHz Cortex-A73 & 4×1.7 GHz Cortex-A53)
  • GPU: Mali-G72 MP3
  • Memory: 6GB, 8GB RAM
  • Colours: Migage Black, Migage Blue
  • Dimension:
  • Weight:
  • SIM Type: Nano-SIM, dual stand-by
  • SIM Count: Dual SIM (Nano-SIM, dual stand-by)


  • Display: 6.5 inches Super AMOLED Display, 1080 x 2400 pixels, 20:9 ratio (~405 ppi)
  • Screen Protection: Yes
  • Foldable Display: No



  • Built-in Storage: 128
  • Memory Card Support: Yes, microSDXC (dedicated slot)
  • Bundled Cloud Storage: Yes

Network Support

  • 2G GSM: Yes, GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
  • 2G CDMA 1X: Yes
  • 3G WCDMA: Yes, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  • 3G CDMA EVDO: Yes
  • 4G LTE: Yes
  • 5G: No

Internet & Connectivity

  • GPRS: Yes
  • EDGE: Yes
  • 3G/WCDMA/HSPA: Yes
  • HSPA+: Yes
  • CDMA EVDO: Yes
  • 4G LTE: Yes
  • 5G: No
  • WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
  • Wi-Fi Hotspot: Yes
  • Bluetooth: Bluetooth 5.0, A2DP, LE
  • NFC: Yes
  • Infrared Blaster: No
  • USB Port: 2.0, Type-C 1.0 reversible connector, USB On-The-Go


  • SMS/MMS: Yes
  • Instant Messaging: Yes
  • Push Emails: Yes
  • Email Protocol: Yes


  • Music Player: Yes
  • Video Player: Yes
  • FM Radio: Yes
  • Loudspeaker: Yes
  • 3.5mm Jack: Yes


  • Navigation: Yes, with A-GPS, GLONASS, GALILEO, BDS
  • Maps: Yes

Sensors & Control

  • Digital Compass: Yes
  • Accelerometer: Yes
  • Proximity Sensor: Yes
  • Light Sensor: Yes
  • Barometer: No
  • SpO2: No
  • Pedometer: No
  • Heart Rate Monitor: No
  • Gyroscope: Yes
  • Fingerprint Scanner: Yes (Side)
  • Iris Scanner: No
  • Face Unlock: Yes
  • Stylus Pen: No
  • Intelligent Digital Assistant: Yes
  • Motion Sensing / Gesture Control: Yes
  • Voice Control: Yes

Other Features

  • Video Streaming: Yes
  • Active Noise Cancellation: Yes
  • Wireless Charging: No
  • Built-in Mobile Payment: Yes
  • Water Resistant: No
  • Dust Resistant: No
  • Image Editor: Yes
  • Video Editor: Yes
  • Document Viewer: Yes
  • Document Editor: Yes


  • Battery: Non-Removable Li-Po 6000 mAh Battery
  • Talktime:
  • Standby Time:
  • Fast Charging: Yes, Fast charging 25W
Paschal Okafor is NaijaTechGuide Team Lead. The article Samsung Galaxy M31S Specs and Price was written by Miracle .O. The article was last modified: August 12th, 2020
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Miracle .O is a Computer scientist by profession and a blogger by passion. He's an expect in writing about phones, gadgets and tutorials.