Samsung Galaxy M21

The Samsung Galaxy M21 is part of Samsung’s M series, which is aimed at offering feature-packed smartphones at competitive prices, especially targeting the online market. Launched in 2020, the Galaxy M21 was positioned as a mid-range device with a focus on display and battery life. Here’s an in-depth review of the Samsung Galaxy M21:


The Galaxy M21 was designed to cater to users who wanted a vibrant display and long-lasting battery life without spending a premium. With its Super AMOLED display and massive battery, it aimed to attract users who consume a lot of media on their phones.


  1. Operating System: Shipped with Android 10 with Samsung’s One UI 2.0.
  2. Display: 6.4-inch Super AMOLED with a resolution of 1080 x 2340 pixels.
  3. Processor: Exynos 9611.
  4. Memory: Options of 4 GB/6 GB RAM with 64 GB/128 GB internal storage, expandable via microSDXC.
  5. Camera: Triple-camera setup with a 48 MP primary sensor, 8 MP ultra-wide sensor, and a 5 MP depth sensor. The front camera is a 20 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 USB Type-C port for charging.


  1. Vibrant Display: The Super AMOLED display offered deep blacks, vibrant colors, and was a treat for media consumption.
  2. Exceptional Battery Life: The 6000 mAh battery ensured that the device could easily last more than a day, even with heavy usage.
  3. Decent Camera Setup: The triple-camera setup was versatile and performed well in good lighting conditions.
  4. One UI: Samsung’s One UI offers a plethora of features and customization options that many users appreciate.


  1. Processor Performance: While the Exynos 9611 is competent for daily tasks, it might not be the best for heavy gaming or intensive multitasking.
  2. Camera Performance in Low Light: The camera setup, while versatile, struggled in low-light conditions.
  3. Weight: Due to its large battery, the device was a bit on the heavier side.

Comparisons to Other Technologies:

In its price bracket, the Galaxy M21 faced competition from:

  • Redmi Note 9 Pro: Offering a 6.67-inch IPS LCD, Snapdragon 720G, and a quad-camera setup.
  • Realme 6: Featuring a 6.5-inch IPS LCD with a 90Hz refresh rate, MediaTek Helio G90T, and a quad-camera setup.
  • Motorola Moto G8 Power: With its 6.4-inch IPS LCD display, Snapdragon 665, and a quad-camera system.

Launch Date:

The Samsung Galaxy M21 was announced in March 2020 and became available in various markets shortly after.

Common Issues/Problems:

  1. Software Updates: Some users reported delays in receiving software updates.
  2. Performance Hiccups: Given its mid-range positioning, some users experienced occasional lags, especially when running multiple apps.
  3. Bloatware: The device came with some pre-installed apps, which not everyone found useful.


The Samsung Galaxy M21 was a commendable offering in the mid-range segment, especially for those who prioritize display quality and battery life. Its Super AMOLED display and large battery made it a popular choice among users who consume a lot of media on their phones. While it had its limitations, especially in terms of processor performance and camera capabilities in challenging conditions, its overall package was quite compelling for its price segment. For users looking for a media-centric device without spending too much, the Galaxy M21 was a strong contender. However, those looking for a more balanced device with better performance or a higher refresh rate display might have considered other options available in the market at the time.

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