Galaxy A21 battery and screen — how do they hold up?

The battery was always the A21's best trick — a large pack delivering genuine two-day endurance for light users — while the HD+ display was modest at launch and remains so. Used units hinge on battery health more than any other factor. A fresh pack restores the phone's one luxury.

Is the Galaxy A21 still usable in 2026?

Barely, for essentials — calls, messaging, and music survive, while anything app-heavy tests its minimal RAM and dated chip immediately. Updates ended long ago, so it belongs on light or emergency duty. As a free loaner phone it's fine; as a purchase, only at giveaway money.

How much is a Samsung Galaxy A21 worth used?

Twenty-five to fifty dollars in honest working condition — bottom-shelf pricing for a basic 2020 phone, with the big battery the feature that still sells it. Screen condition moves the number more than anything. Compare A21 listings on Shopfox when they appear.

Samsung Galaxy A21 Cell Phones Price, Specs & Reviews

Name: Samsung Galaxy A21 Cell Phones
Brand: Samsung

Samsung Galaxy A21 Cell Phones

$82.96

Prices last updated Sep 22, 2026

Samsung4.74.7

(195 reviews)

$82.96

Prices last updated Sep 22, 2026

Personalized Fit Score

We can help you with personalized advice and service.
Please complete a few personal details so we can tailor recommendations.
We promise not to share or sell your information to any third party.

All-in-One Cash Back Price History Specifications Compare Fit Score Reviews Expert

All-in-One Comparison

3 sellers & 1 platforms

SKU	Platform	Merchant	Delivery	Return Policy	Price	Shipping
BlackBoost Mobile32GB	GenuineTechShopLowest Price	GenuineTechShop 5.0(340)	22 - 28 da...	30 days re...	$82.96	Free
BlackUnlocked32GB	easybuy0802	easybuy0802 4.9(549)	27 - 33 da...	30 days re...	$117.19	$8.59
BlackUnlocked32GB	Fondrose WirelessFastest	Fondrose Wireless 5.0(4679)	2 - 7 days	30 days re...	$159.99	$15.45

GenuineTechShop

Lowest Price

$82.96

BlackBoost Mobile32GB

GenuineTechShop5.0 (340)Free

22 - 28 da...30 days re...

easybuy0802

$117.19

BlackUnlocked32GB

easybuy08024.9 (549)$8.59

27 - 33 da...30 days re...

Fondrose Wireless

Fastest

$159.99

BlackUnlocked32GB

Fondrose Wireless5.0 (4679)$15.45

2 - 7 days30 days re...

Cash Back

9 sites · 11 platforms · 53 offers

Cash Back

9 sites · 11 platforms · 53 offers

Adorama

BeFrugalVerified

Online Purchases Cashback

Updated Aug 15

BeFrugalOnline Purchases Cashback

VerifiedUpdated Aug 15

Cashback Rate:

Category:

Online Purchases

User Eligibility:

Members

Amazon

Capital One ShoppingVerified

General Cashback

Updated Sep 22

Capital One ShoppingGeneral Cashback

VerifiedUpdated Sep 22

Cashback Rate:

New User Bonus:

Extra Credits welcome bonus

User Eligibility:

Members only

Best Buy

TopCashbackVerified

Online Purchases Cashback

Updated Aug 29

TopCashbackOnline Purchases Cashback

VerifiedUpdated Aug 29

Cashback Rate:

Category:

Online Purchases

User Eligibility:

All users

Specifications

20200629

Side-by-Side Comparison

6 similar products · scroll horizontally to browse

This Product

Samsung Galaxy A21 Cell Phones

4.7(36)

$82.96

Avg 2.2

1.Built around fast charging and a 4000mAh battery for users who need quick top-ups and dependable daily use.

2.A practical fit for budget-conscious buyers who value charging speed and reliable performance.

Budget-conscious buyersAndroid users

Quick chargingDaily reliability

not specified

Android

not specified

3 GB

Octa Core

6.5 in

720 x 1560 (HD+)

not specified

TFT

4000 mAh

not specified

16MP (Main) + 8MP (Ultra-Wide) + 2MP (Macro) + 2MP (Depth)

Best Performance

Apple iPhone 14 Pro Cell Phones

$599.99 - $1,648.90

Best Value

Apple iPhone 11 Cell Phones

4.8(329)

$169.99 - $933.90

Apple Ecosystem

Apple iPhone 12 Cell Phones

4.4(5K+)

$144.99 - $1,043.90

Fast Charge

Apple iPhone 11 Pro Max Cell Phones

$469.00 - $1,593.90

Pocket Friendly

Apple iPhone 12 mini Cell Phones

3.8(380)

$236.99 - $933.90

Avg 3.1

Avg 2.4

Avg 3.2

Avg 3

Avg 3.1

1.Powered by the A16 Bionic chip and a 120Hz ProMotion display, the iPhone 14 Pro delivers top-tier speed and fluidity for demanding tasks and gaming.

2.A great choice for iOS users who want the best performance in a compact Pro form factor.

1.Offers a solid iOS experience with Face ID and reliable performance at a budget-friendly price, backed by strong user satisfaction on value.

2.A practical choice for those seeking essential Apple features like wireless charging and water resistance without the latest premium cost.

1.Renewed iPhone 12 delivers the core Apple experience with Face ID, OLED display, and 5G, verified for like-new performance.

1.Built around fast 20W charging and a vivid 6.5-inch OLED display for users who want quick top-ups and premium visuals in a reliable iPhone.

2.A practical choice for budget-conscious buyers seeking a flagship-grade screen and fast recharging at a fraction of the original price.

1.Its compact 5.4-inch OLED display and lightweight 4.76 oz design make it one of the most pocketable iPhones, ideal for one-handed use.

2.Smooth iOS performance with a hexa-core chip and solid 12MP dual cameras deliver a reliable daily experience in a small form factor.

Power usersiOS loyalists

Smooth multitaskingHigh-performance gaming

Budget-conscious usersApple loyalists

Everyday reliabilityCasual photography

Apple loyalistsStudents

Everyday iOS useSecure Face ID unlocking

Budget-conscious iPhone fansRefurbished shoppers

Quick rechargingOLED viewing experience

Compact phone fansiOS users

One-handed useDaily pocket carry

not specified

iOS

not specified

Hexa Core

6.1 in

6.5 in

5.4 in

2556 x 1179

1792 x 828 Pixels

2532 x 1170 Pixels

2688 x 1242 Pixels

2340 x 1080

120 hertz

not specified

OLED

LCD

OLED

not specified

—

not specified

—

not specified

48 MP

12 MP

—

Reviews & Ratings

(195)

2.6

195 reviews

👍 Pros

👎 Cons

Performance

1.5

30%

The device suffers from significant performance issues. Users frequently reported 'ghost touching,' where the phone types or apps open by themselves, alongside extreme lag, freezing, and a very slow user interface. Many noted it has insufficient RAM for modern apps.

Performance

1.5

30%

Camera Quality

3.0

60%

Camera performance is a mixed bag; while some users found the photos surprisingly good for a budget device, others experienced technical failures like constant flickering and autofocus issues that rendered facial recognition useless.

Camera Quality

3.0

60%

Battery Life

2.2

44%

Battery reliability is highly inconsistent. A few users reported a full day of use, but a large number of reviewers complained about fast battery drain, charging port failures, and the device eventually refusing to power on at all.

Battery Life

2.2

44%

Display Quality

2.5

50%

The screen is praised for its large size and clarity initially. However, it is criticized for being made of cheap plastic that is unresponsive to swipes. Serious defects like 'black screen of death,' white lines, and flickering were widely reported.

Display Quality

2.5

50%

Build & Design

1.8

36%

While the physical design looks modern, the build quality is poor with non-scratch-resistant plastic. The most critical failure is the 'false advertising' regarding its 'unlocked' status, with many units arriving carrier-locked to specific providers.

Build & Design

1.8

36%

Keywords

User Voices

5.0AMAZONSep 15, 2025

Yailenis A.

Super Bueno

This phone is absolutely fantastic. High quality and works perfectly. Highly recommended!

1.0AMAZONSep 13, 2025

Ross M.

Decia que era nuevo y no es asi

The description claimed the phone was new, but that's a lie. It arrived with a large scratch on the back, and the camera keeps flickering constantly.

Samsung Galaxy A21 Cell Phones

All-in-One Comparison

Current SKU offers

Cash Back

Cash Back

Specifications

Reviews & Ratings

All-in-One Comparison

Current SKU offers

Cash Back

Cash Back

Specifications

Reviews & Ratings

Samsung Galaxy A21 Cell Phones: Price, Specs & Reviews

Samsung Galaxy A21 Cell Phones

All-in-One Comparison

Current SKU offers

Cash Back

Cash Back

Specifications

General2

System & Performance3

Display3

Camera2

Video1

Battery1

Dimension2

Connectivity1

Reviews & Ratings

All-in-One Comparison

Current SKU offers

Cash Back

Cash Back

Specifications

General2

System & Performance3

Display3

Camera2

Video1

Battery1

Dimension2

Connectivity1

Reviews & Ratings