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Samsung Galaxy A21 GSM Unlocked Android Cell Phone Review

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By Best Choice team
Checked icon Last updated - October 9, 2025
7.7

Verdict overview

  • worth the money 7.0
  • Facial recognition 7.6
  • Battery Duration 7.7
  • Fingerprint scanner 8.4
Pros
  • Large and vibrant display.
  • Versatile quad-camera system.
  • Expandable storage with MicroSD.
Cons
  • Possible poor audio quality.

Tech specs

colorBlack
other display featuresWireless
connectivity technologiesBluetooth, Wi-Fi, USB, NFC
form factorSmartphone
battery capacity4000 Milliamp Hours
customer reviews3.9 3.9 out of 5 stars 1,177 ratings 3.9 out of 5 stars
scanner resolution1280 x 720
ram3 GB
product dimensions6 x 4 x 4 inches
standing screen display size6.5 Inches
osAndroid 10.0
batteries1 Lithium Polymer batteries required. included
whats in the boxTravel Adapter, Data Cable
item weight13.1 ounces
weight13.12 ounces
display technologyLCD
ram memory installed size3 GB
wireless communication technologiesCellular
memory storage capacity32 GB
battery power rating4000 Milliamp Hours
other camera featuresRear, Front
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Product Overview

If you are in the market for an incredibly powerful and modern smartphone, then look no further than the SAMSUNG Galaxy A21. This device is equipped with a range of features that will satisfy even the most demanding of users. The Galaxy A21 has a 6.5 inch Infinity Display with IPS LCD which offers an impressive 720 x 1600 pixels resolution and 20:9 ratio. It comes running on Android 10 with One UI 2.0 installed, giving you plenty of options when it comes to customisation and personalisation.

The Galaxy A21 offers 32GB ROM with 3GB RAM, allowing you to store plenty of data and applications without any issues. It is powered by a Mediatek MT6765 Helio P35 12nm processor which is perfect for multitasking between various applications with ease. It also has a rear facing camera setup consisting of 16MP, f/1.8 8MP, f/2.2 2MP, f/2.4 macro and 2MP, f/2.4 depth sensors as well as a front facing 13MP, f/2.0 camera for taking selfies or video chats.

In terms of connectivity options, the Galaxy A21 supports Bluetooth, Wi Fi, USB and NFC technologies as well as GSM 850/900/1800/1900 2G networks, 850/900/1700/1900/2100 3G networks and 1/2/3/4/5/7/8/12/13/17/20/25/26/28/38/39 4G LTE networks making this device incredibly versatile when it comes to connecting to other devices or networks. It also comes with a 4000mAh battery which should be enough to last all day on moderate usage without having to worry about battery drain or needing to recharge your device too often.

The SAMSUNG Galaxy A21 is perfect for anyone looking for an affordable yet powerful device which can do just about anything they need it to do without any issues or lag time in performance or response time. It is also great for anyone who wants something that looks good while offering plenty of features at an affordable price point making it one of the best value for money devices currently available in the market today!

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The secret behind our reviews

By Best Choice team

Best Choice Team is your go-to source for curated product recommendations across various categories. Leveraging years of industry experience and advanced AI technology, we analyze data from multiple sources to bring you the most relevant and up-to-date product lists.

Our AI-driven approach allows us to streamline the selection process, ensuring that the products we feature align with current market trends and consumer preferences. We aim to provide content that helps you navigate your purchasing decisions with greater ease Like.

Users reviews

77% of reviewers would recommend to a friend, Based on 2,354 Reviews

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