Samsung Galaxy M31

The Samsung Galaxy M31 is a key release in Samsung’s mid-range M series lineup, known for offering substantial battery life and value for money. Here’s an in-depth review of the Samsung Galaxy M31:


Introduced in early 2020, the Samsung Galaxy M31 is a successor to the Galaxy M30s. It builds upon the foundation set by its predecessor, focusing on battery life, camera capabilities, and an AMOLED display, all while maintaining an attractive price point.


  1. Operating System: Shipped with Android 10, with Samsung’s One UI 2.0 on top.
  2. Display: 6.4-inch Super AMOLED with a resolution of 1080 x 2340 pixels.
  3. Processor: Exynos 9611.
  4. Memory: Options of 6/8 GB RAM with 64/128 GB internal storage, expandable via a microSD slot.
  5. Camera: Quad rear camera setup – 64 MP primary sensor, 8 MP ultrawide lens, 5 MP macro sensor, and a 5 MP depth sensor. The front camera is a 32 MP shooter.
  6. Battery: A massive 6000 mAh non-removable battery with 15W fast charging.
  7. Other Features: Rear-mounted fingerprint scanner, 3.5mm headphone jack, and a plastic build with a gradient finish.


  1. Battery Life: The 6000 mAh battery is undoubtedly the device’s standout feature, ensuring the phone can easily last more than a day, even with heavy use.
  2. Display: The Super AMOLED display provides vibrant colors and deep blacks, making it ideal for media consumption.
  3. Camera Capabilities: The 64 MP primary sensor captures detailed images, and the versatility of the quad-camera setup is commendable for its price point.
  4. Value for Money: Given its features, the device offers excellent value, especially for those prioritizing battery life and display quality.


  1. Performance: The Exynos 9611 is decent for daily tasks but might not be the best for intensive gaming or heavy multitasking, especially when compared to some competitors.
  2. Build Quality: The device uses a plastic build, which, while durable, might not feel as premium as some metal or glass competitors.
  3. Charging Speed: Despite its large battery, the device supports only 15W fast charging, which means charging from 0 to 100% can take a while.

Comparisons to Other Technologies:

In its price segment, the Samsung Galaxy M31 faced competition from:

  • Redmi Note 9 Pro: Offering a glass build, Snapdragon 720G chipset, and a versatile camera setup.
  • Realme 6 Pro: With its 90Hz IPS LCD display, Snapdragon 720G, and dual front cameras.
  • POCO X2: Known for its 120Hz display, Snapdragon 730G, and 64 MP primary camera.

Launch Date:

The Samsung Galaxy M31 was announced in February 2020.

Common Issues/Problems:

  1. Software Bloat: Some users found the pre-installed apps and occasional ads in the UI to be a bit intrusive.
  2. Weight: Due to its large battery, the device is on the heavier side, which might not be comfortable for everyone.
  3. Camera Low-Light Performance: While the camera performs well in good lighting, it can struggle in low-light scenarios.


The Samsung Galaxy M31 is a strong contender in the mid-range segment, especially for users who prioritize battery life and display quality. While it has areas that could be improved, such as performance and build quality, the overall package is compelling for its price. The device further solidified Samsung’s position in the competitive mid-range smartphone market, offering a reliable alternative to Chinese brands.

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