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Samsung

Samsung Galaxy A21s (2020)

Android OS v10.0
Exynos 8 Octa 850
Mali-G76 MP5
3 GB / 32 GB
6.5 inch (720 x 1600 px)
48 + 8 + 2 + 2 MP, 8000 x 6000 px, autofocus

This phone comes equipped with a 6.5 inch PLS display, a Exynos 8 Octa 850 chipset, and 3 GB of RAM.

Navigate through its features, both the gems and quirks!

Table of Contents

This article shares our personal experiences and thoughts about using the Samsung Galaxy A21s smartphone. We hope to offer helpful insights to others interested in this device.

Samsung Galaxy A21s / 1

Samsung Galaxy A21s specifications

BrandSamsung
NameGalaxy A21s
ModelSM-A217F
Release date2020

Weight, dimensions, colors

Weight6.74 oz
Dimensions6.44 x 2.96 x 0.35 inch
Colorsblack, blue, red, white
SIM typeNano SIM

The weight of Samsung Galaxy A21s is about 6.74 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).

Samsung Galaxy A21s / 1

System, chipset, performance

OS versionAndroid OS v10.0
SoCExynos 8 Octa 850
CPUOcta-core 2 GHz Cortex-A55
GPUMali-G76 MP5

The Samsung Galaxy A21s 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.

Samsung Galaxy A21s / 2

Display type, size, resolution

Display typePLS
Screen size6.5 inch
Resolution720 x 1600 px
Multitouch supportyes

The PLS display of Galaxy A21s provides wide viewing angles, similar to IPS displays. The 6.5 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 size of the screen is measured diagonally, from corner to corner.

Samsung Galaxy A21s / 3

Memory, storage

RAM3 GB
Internal storage32 GB
Memory card slotmicroSD

The smartphone has 3 GB of RAM. It can run many apps at once without much lag or slowness. Having more RAM alone does not guarantee better performance. Generally, a smartphone should have a minimum of 32 GB of internal storage. The Galaxy A21s has 32 GB. We can expand the internal storage (32 GB) with a compatible microSD card.

Cameras, flash

Main camera48 + 8 + 2 + 2 MP, 8000 x 6000 px, autofocus
FlashLED
Selfie camera13 MP

Multiple cameras or depth sensors can help the smartphone. They can make its portrait mode effects more appealing. The Galaxy A21s 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 b/g/n
Bluetoothv5.0, A2DP
GPSA-GPS, GLONASS
NFCyes
FM radioyes
USBUSB Type-C
Headphone3.5 mm jack

The Samsung Galaxy A21s supports 4G/LTE networks. The phone is capable of connecting to Wi-Fi networks. The Galaxy A21s smartphone is capable of connecting to Bluetooth devices. The GPS allows this smartphone to find their exact location. It provides accurate navigation and mapping. This phone is NFC (Near Field Communication) capable. The 3.5 mm headphone jack allows us to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Po 4000 mAh, non-removable

The Li-Po 4000 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The battery of Galaxy A21s isn't removable without voiding the warranty.

Features, sensors, specials

Sensorsaccelerometer, compass, fingerprint, gyroscope, hall, light, proximity
SpecialsDual 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 A21s phone has a fingerprint scanner. The light sensor detects the level of light in the environment. 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 we need quick juice on our device.

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

  • PLS display
  • appropriate screen size
  • microSD slot
  • multicamera setup
  • Dual SIM support

Cons

  • no OIS function
  • no 5G support
  • low-capacity battery
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Updated: July 2, 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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