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Samsung

Samsung Galaxy M21s (2020)

Android OS v10.0
Exynos 9 Octa 9611
Mali-G72 MP3
4 GB / 64 GB
6.4 inch (1080 x 2340 px)
64 + 5 + 8 MP, 9280 x 6920 px, autofocus

This phone boasts a 6.4 inch Super AMOLED display, a Exynos 9 Octa 9611 chipset, and 4 GB of RAM.

Is this phone worth its price? Hopefully, it will become clear by the end of my review.

Table of Contents

This article shares our personal experiences and thoughts about using the Samsung Galaxy M21s smartphone. We hope to offer helpful insights to others interested in this device.

Samsung Galaxy M21s / 1

Samsung Galaxy M21s specifications

BrandSamsung
NameGalaxy M21s
ModelSM-F415FZ
Release date2020

Weight, dimensions, colors

Weight6.74 oz
Dimensions6.27 x 2.96 x 0.35 inch
Colorsblack, blue
SIM typeNano SIM

The weight of the Samsung Galaxy M21s is still considered to be lightweight and portable. Smartphones use a Nano SIM as a subscriber identity module (SIM), which is a chip card.

Samsung Galaxy M21s / 1

System, chipset, performance

OS versionAndroid OS v10.0
SoCExynos 9 Octa 9611
CPUOcta-core, Quad-core 2.3 GHz Cortex-A73, Quad-core 1.7 GHz Cortex-A53
GPUMali-G72 MP3

The Samsung Galaxy M21s comes with Android OS v10.0 out of the box. Android is an open-source operating system. This means users and developers have more control over the software. This CPU makes it ideal for running resource-intensive applications. Many people consider ARM Mali GPUs a good option for mobile devices.

Samsung Galaxy M21s / 2

Display type, size, resolution

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

AMOLED displays are famous for their vibrant colors. They also have high contrast and are energy efficient. The 6.4 inch display should be big enough for our needs. It will make viewing comfortable. This is true whether we're reading, browsing, or watching. The display size is the diagonal distance from one corner of the screen to the opposite corner.

Samsung Galaxy M21s / 3

Memory, storage

RAM4 GB
Internal storage64 GB
Memory card slotmicroSD

The Samsung Galaxy M21s comes with 4 GB of RAM, which is considered to be sufficient for most users' needs. More RAM lets us keep more apps and processes open in the background. This keeps the device from slowing down. 64 GB of storage is usually seen as good for a smartphone. It should be enough for most users. We can expand the internal storage of the Galaxy M21s (64 GB) by using a compatible microSD card.

Samsung Galaxy M21s / 4

Cameras, flash

Main camera64 + 5 + 8 MP, 9280 x 6920 px, autofocus
FlashLED
Selfie camera32 MP

Using multiple cameras has advantages. They provide more versatility and creative possibilities. They let us capture a wider range of subjects. The main camera of Galaxy M21s smartphone does not have OIS. The optical image stabilization (OIS) is an important feature in smartphones.

Samsung Galaxy M21s / 5

Connectivity, network, wireless

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

The 4G provides faster data transfer speeds compared to previous generations. This Samsung phone can connect to Wi-Fi networks at home, at work, or in public places. We can use Bluetooth to connect our Galaxy M21s smartphone to many Bluetooth devices. This phone has a built-in GPS receiver. 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 us to connect wired headphones or earphones to the device.

Samsung Galaxy M21s / 6

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 Galaxy M21s does not have a removable battery, it integrates the battery into the phone's design.

Samsung Galaxy M21s / 7

Features, sensors, specials

Sensorsaccelerometer, compass, fingerprint, geomagnetic, gyroscope, light, proximity
SpecialsCorning Gorilla Glass 3, Dual SIM, Fast charging

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer is a sensor. It measures the tilting motion and orientation of the phone. The fingerprint reader is a biometric security feature found in Galaxy M21s smartphones. The light sensor is a type of sensor in a smartphone. It lets the phone measure light intensity around the device. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.

With fast charging, we can get a significant amount of battery life in a few minutes of charging. Corning Gorilla Glass is tougher. It resists scratches, impacts, and drops.

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 M21s to your comparison

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Updated: May 11, 2024

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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