12 May, 2021
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Samsung Galaxy M31

Samsung Galaxy M31
Brand: Samsung
Category: Mobiles

  • CPU
    Exynos 9611

  • RAM

  • Storage

  • Display
    Super AMOLED, 6.4", Full HD+

  • Camera
    Main camera 64 MP & 8 MP, 5 MP, 5 MP Selfie camera 32 MP

  • OS
    Android 10.0, One UI 2.0

Samsung Galaxy M31 - Specs


  • Model
  • Operating System
    Android 10.0, One UI 2.0
  • Released
  • Price


  • Front
  • Back
  • Frame
  • Monolithic or open the battery cover


  • Type
    Super AMOLED capacitive touchscreen, 16M colors
  • Size
    6.4 inches, 96.7 cm2
  • Resolution
    1080 x 2340 pixels, 19.5:9 ratio (~411 ppi density)
  • MultiTouch Test




  • Main Camera
    64 MP & 8 MP, 5 MP, 5 MP
  • Selfie Camera
  • Main Camera - Resolution
    64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
    8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
    5 MP, f/2.2, 25mm (macro), 1/5.0", 1.12µm
    5 MP, f/2.2, (depth)
  • Selfie Camera - Resolution
    32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
  • Main Camera - Flash
  • Selfie Camera - Flash
  • Main Camera - Auto Focus
  • Selfie Camera - Auto Focus
  • Camera infofull
    Main Camera
    64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
    8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
    5 MP, f/2.2, 25mm (macro), 1/5.0", 1.12µm
    Video: 2160p@30fps, 1080p@30fps, gyro-EIS
    Selfie Camera
    32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
    Video: 1080p@30fps
  • Camera Features
    Main Camera
    Night Mode, Wipe Back, Wide Angle, Ultrawide, Autofocus (AF), Touch Focus, Face Detection, HDR, Panorama (Panorama), Beauty (Beautify)
    Selfie Camera
    Face Detection, Beautify (Beautify), Full HD Video Recording, Autofocus (AF), HDR, 4K Movie Recording, Sticker (AR Stickers), HD Video Recording


  • Bluetooth
    5.0, A2DP, LE
  • Wi-fi
    Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
  • NFC
  • Wireless Charging
  • Quick charge
  • MHL
  • Miracast
  • Adapter
    Fast battery charging 15W
  • OTG


  • Battery Status
    Non-removable Li-Po 6000 mAh battery
  • Battery Type
  • Capacity
    6000 mAh



  • Double-tap unlock screen
  • Drawing application
  • Keyboard lights
  • LED

Call / Messenger

  • Call duration limitation
  • Remind the duration of the call
  • Signature of the message


  • Sensors
    Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
  • Chipset
    Exynos 9611 (10nm)
  • CPU
    Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
  • GPU
    Mali-G72 MP3
  • RAM (Memory)
  • SIM card size
    Dual SIM (Nano-SIM, dual stand-by)
  • Card Slot
  • Move Apps to SD Card
  • Default app settings save on sd card


Our Rating

The overall rating is based on review by our experts

5.4 2.7 1
  • Design 5 / 10
  • Display 6 / 10
  • Camera 5 / 10
  • Multimedia 5 / 10
  • Features 5 / 10
  • Connectivity 4 / 10
  • Call Quality 6 / 10
  • Usability 5 / 10
  • Performance 5 / 10
  • Battery 8 / 10

Samsung Galaxy M31 is the latest smartphone in the Samsung Galaxy M series and this is a follow-up to the Samsung Galaxy M30 that was launched in September 2019. It is known that the 6 GB RAM / 64 GB internal memory version costs INR 14,999 ( 4.8 million), while the 128 GB version costs INR 15,999

The Galaxy M31 has a 6.4-inch FullHD + AMOLED screen which is a typical type of screen that we have encountered on Samsung mid-range smartphones. The display is bright and bright enough for outdoor use, users can enjoy high-resolution video, the phone also has the Widevine L1 certification, which can watch HD quality movies on. platforms like Netflix

The front of the device uses the Infinity-U design to accommodate the selfie camera, the surrounding bezels are relatively thin, the bottom border is thick and the screen is not covered with Gorilla Glass.

The Galaxy M31 comes pre-installed with the One UI 2.0 interface on Android 10. The Android 10 operating system has been around for about 6 months, so the device that comes with this operating system is not a surprise. . Samsung also offers the Galaxy M31 software experience quite similar to the more expensive products such as the Galaxy Note 10 Lite.

Samsung Galaxy M31 is equipped with 4 cameras, of which the main sensor Samsung GW1 64 MP that we have seen on rivals such as Redmi Note 8 Pro and Realme XT. The rest of the sensors include an 8 MP ultra-wide angle camera, a 5 MP macro sensor and a 5 MP depth camera.In terms of video recording capabilities, both the main camera and the selfie camera support 4K quality video recording at 30fps, at a price of over 5 million, this is not a feature that many smartphones have. In addition, it also supports Super Steady video recording mode using ultra-wide angle sensor to provide smooth video, limiting vibration.

The Galaxy M31 also packs a massive 6,000 mAh battery like its predecessor and most recently ASUS ROG Phone 2. Galaxy M31 only supports 10W capacity, takes 2 hours to fully charge.

Galaxy M31 is equipped with Exynos 9611 processor, processor manufactured on 10nm process and comes with 8 GB RAM, multitasking, processing everything is fine.

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Samsung Galaxy M31 - Reviews

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  • What do you feel about Design and build quality of this device?
  • Screen size, image quality (brightness, colors, contrast, etc), visibility in sun light, angles of view and touchscreen.
  • Usability of Camera interface, image and video quality in different light conditions and environment.
  • Music and video players, playback quality, speaker sound and handsfree options.
  • What do you feel about the features of this device, is these enough for you in everyday life?
  • Bluetooth, Wi-fi connectivity, data trnasfer speed, internet browsing and interfaces.
  • When you call someone, what is the voice quality you hear or vice versa, is speakerproduct working good during calls.
  • What do you feel about usability and speed of UI (user interface), messaging, calling, contacts management, call history, notifications and internet browsing?
  • Is this device perform good while watching videos, playing games, taking snapshots, browsing internet and navigate through other applications?
  • What about battery life, while calling, listening music, watching videos, playing games and doing other tasks.
  • 6 / 10 based on your selection