Samsung

Samsung Galaxy M21: Pros and Cons

Android OS v10.0
Exynos 7 Octa 9611
Mali-G72 MP3
4 GB / 64 GB
6.4 inch (1080 x 2340 px)
48 + 8 + 5 MP, 8000 x 6000 px, autofocus

Samsung announced the launch of the Galaxy M21 smartphone in 2020. The manufacturer is offering this smartphone with 6.4 inch Super AMOLED display, Exynos 7 Octa 9611 SoC, and 4 GB of RAM. The Galaxy M21 series was launched with Android OS v10.0 pre-installed, but it is upgradable. The 6.4 inch AMOLED displays has fast response times. The Galaxy M21 has a multi-camera setup. The lens offers versatility. It lets you capture a wide range of subjects and scenes from different perspectives. Does this phone justify its price tag? I hope to provide clarity by the conclusion of my review.

Table of Contents

This article shares our personal experiences and thoughts about using the Samsung Galaxy M21 smartphone. We hope to offer helpful insights to others interested in this device. The specifications below are from the official manufacturer data, but we also consider user reviews. If you've seen any mistakes or things missing in these specifications, please let us know.

Samsung Galaxy M21 / 1

Samsung Galaxy M21 specifications

BrandSamsung
NameGalaxy M21
ModelSM-M215F
Release date2020

Weight, dimensions, colors

Weight6.63 oz
Dimensions6.26 x 2.96 x 0.35 inch
Colorsblack, blue, white
SIM typeNano SIM

The weight of Samsung Galaxy M21 is about 6.63 oz with battery. This is average for smartphones of the same size. Smartphones use a Nano SIM as a small chipcard for a subscriber identity module (SIM).

System, chipset, performance

OS versionAndroid OS v10.0
SoCExynos 7 Octa 9611
CPUOcta-core, Quad-core 2.3 GHz Cortex-A73, Quad-core 1.7 GHz Cortex-A53
GPUMali-G72 MP3

The Samsung Galaxy M21 comes with Android OS v10.0 out of the box. Google has integrated many services with Android. These include Google Maps, Gmail, and Google Drive. An advanced scheduler manages this octa-core CPU. It assigns tasks to the CPU for real-time speed and power efficiency. Many mobile devices use ARM Mali GPUs. They are well known for their good performance and power efficiency.

Display type, size, resolution

Display typeSuper AMOLED
Screen size6.4 inch
Resolution1080 x 2340 px
Multitouch supportyes

AMOLED displays enable an Always-On Display feature. A part of the screen remains active to display the time, date, and notifications. The 6.4 inch display should be big enough for your needs. It will make viewing comfortable. This is true whether you're reading, browsing, or watching. The size of the screen is measured diagonally, from corner to corner.

Samsung Galaxy M21 / 1

Memory, storage

RAM4 GB
Internal storage64 GB
Memory card slotmicroSD

The Samsung Galaxy M21 comes with 4 GB of RAM, which is considered to be sufficient for most users' needs. Having more RAM alone does not guarantee better performance. 64 GB of storage is usually seen as good for a smartphone. It should be enough for most users. You can expand the internal storage (64 GB) with a compatible microSD card.

Cameras, flash

Main camera48 + 8 + 5 MP, 8000 x 6000 px, autofocus
FlashLED
Selfie camera16 MP

Multiple cameras or depth sensors can help the smartphone. They can make its portrait mode effects more appealing. The Galaxy M21 does not have optical image stabilization (OIS).

Connectivity, network, wireless

GSM 2G bands850 / 900 / 1800 / 1900
Network coverage2G / 3G / 4G
Wi-FiWi-Fi 802.11 a/b/g/n/ac
Bluetoothv5.0, A2DP
GPSA-GPS, GLONASS
NFCno
FM radioyes
USBUSB Type-C
Headphone3.5 mm jack

The Samsung Galaxy M21 supports 4G/LTE networks. The phone is capable of connecting to Wi-Fi networks. The Galaxy M21 smartphone is capable of connecting to Bluetooth devices. The GPS allows this smartphone to find their exact location. It provides accurate navigation and mapping. The phone isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful. The 3.5 mm headphone jack allows you to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Ion 6000 mAh, non-removable

The Li-Ion 6000 mAh, non-removable battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery. It does not need periodic full discharge. The battery of Galaxy M21 isn't removable without voiding the warranty.

Features, sensors, specials

Sensorsaccelerometer, compass, fingerprint, geomagnetic, gyroscope, proximity
SpecialsCorning Gorilla Glass, Dual SIM, Fast charging

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer provides information about the smartphone's movement in three axes. These are X (horizontal), Y (vertical), and Z (depth). The Galaxy M21 phone has a fingerprint scanner. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.

The fast charging technology comes in handy when you need quick juice on your device. Gorilla Glass is very scratch resistant. It reduces the likelihood of everyday scratches and abrasions.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Samsung phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.

Pros

  • Super AMOLED display
  • appropriate screen size
  • adequate memory
  • microSD slot
  • multicamera setup
  • good battery
  • Dual SIM support
  • Corning Gorilla Glass shield

Cons

  • no OIS function
  • no 5G support
  • no NFC feature
Add Samsung Galaxy M21 to your comparison

Please let us know if you find incorrect information or something isn't working. Also, tell us if you have a suggestion for improvement.

Lucas Bradley I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.
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