Samsung Galaxy A21s
2020Support ended
Price from
Color
Storage
Condition
Pros and Cons
Strengths and weaknesses at a glance.
Why choose
- Excellent battery life
- Affordable price
- Quad camera system
- Dedicated memory card slot
- Ergonomic design
- NFC support
What to consider
- Low resolution
- Slow charging
- Limited performance
- Plastic body
- Lack of software updates
Detailed Technical Info
Hardware and features in detail.
- Screen size
- 6.5 inches
- Resolution
- 720 x 1600 pixels (HD+)
- Display type
- PLS LCD
- Refresh rate
- 60Hz
- Max brightness
- 450 nits
- Screen protection
- Tempered glass
Display
- Screen size
- 6.5 inches
- Resolution
- 720 x 1600 pixels (HD+)
- Display type
- PLS LCD
- Refresh rate
- 60Hz
- Max brightness
- 450 nits
- Screen protection
- Tempered glass
Performance
- Processor
- Exynos 850 (8nm)
- CPU cores
- 8-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
- GPU
- Mali-G52
- RAM
- 3GB/4GB/6GB LPDDR4X
- AnTuTu score
- 145000 (v9)
Camera
- Main camera
- 48 MP, f/2.0, 26mm (wide), 1/2.0", PDAF
- Ultra-wide
- 8 MP, f/2.2, 123˚
- Telephoto
- Not available
- Front camera
- 13 MP, f/2.2
- Video
- 1080p@30fps
Battery
- Capacity
- 5000 mAh
- Charging speed
- 15W wired
- Wireless charging
- No
- Battery life
- Up to 2 days of normal use
Connectivity
- 5G
- No
- Wi-Fi
- Wi-Fi 5 (802.11ac)
- Bluetooth
- 5.0
- NFC
- Yes (region dependent)
- USB
- USB Type-C 2.0
Body & Dimensions
- Dimensions
- 163.7 x 75.3 x 8.9 mm
- Weight
- 192 grams
- Materials
- Plastic frame and back
- Water resistance
- None
Condition Classes
All devices are fully tested and working.
Good (B)
from 98,2 €
May have some micro-scratches on the body. The screen is clean. Battery capacity 85-90%.
Above Average (C+)
from 86 €
Visible signs of use and scratches. Possible minor dents on the frame. Battery capacity at least 80%.
Acceptable (C)
from 71,9 €
Clearly visible signs of use. Best price.
Model characteristics
Common issues that may occur with Samsung Galaxy A21s.
Screen ghosting
MinorTechnological peculiarity of PLS LCD panels.
User interface slowness
ModerateWeak processor and insufficient RAM for modern apps.
GPS inaccuracy
ModerateSoftware bug or poor antenna contact.
Charging port wear
ModeratePhysical wear or dirt in the USB-C port.
Repairs and Parts6/10 iFixit / GreenFox Estimate
Battery Replacement
The back panel is glued, but once opened, the battery is accessible with standard tools.
Screen Replacement
Replacing the screen requires removing almost all components as it is attached to the frame.
Charging Port Repair
The charging port is located on a separate daughterboard, which is easy to replace.
As it was a very popular model, spare parts are widely available and affordable.
Environmental Impact
Buying a used device saves valuable resources.
CO₂ Saved
42 kg CO2e
Water Saved
9500 liters
E-Waste Avoided
192 grams
Reused
95%
Recycled
5%
Methodology: Fraunhofer Institute / Refurbed.com calculation model (2025)
Who Is This For?
This device is especially well-suited for these users.
First phone for a child
An ideal choice for a child starting school, thanks to its durability and affordable price.
- Long battery life
- Inexpensive to replace if broken
- Sufficient for social media
Backup or work phone
Perfect as a second device for calls and emails only.
- Dual SIM support
- Very affordable price
- Reliable battery
Elderly user
The large screen and simple One UI interface make it a good choice for seniors.
- Large and readable screen
- Headphone jack available
- Easy to handle
Network Compatibility
Supported frequencies and carriers.
FinlandYour country
Estonia
Latvia
Lithuania
The device does not support 5G networks. 4G speeds are sufficient for regular web browsing.
Comparisons With Other Models
How this model differs from the competition.
The Galaxy A22 offers a significant leap with its 90Hz Super AMOLED display and Optical Image Stabilisation (OIS), but the A21s remains competitive with similar battery life and a lower price.
| Feature | Galaxy A21s | Galaxy A22 |
|---|---|---|
| Display Type | PLS LCD | Super AMOLED |
| Refresh Rate | 60Hz | 90Hz |
| Camera OIS | No | Yes |
The Redmi Note 9 offers a higher screen resolution (1080p), but Samsung's One UI software is more stable and intuitive for many users.
| Feature | Galaxy A21s | Redmi Note 9 |
|---|---|---|
| Screen Resolution | 720p | 1080p |
| Charging Speed | 15W | 18W |
| Software | One UI | MIUI |
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