Galaxy A21s
2020Support endedPrice from
Storage
Condition
Pros and Cons
Strengths and weaknesses at a glance.
Why choose
- Excellent battery
- Quad camera system
- Dedicated memory card slot
- 3.5mm headphone jack
- NFC support
- Affordable price
What to consider
- Low resolution
- Slow performance
- Slow charging
- Software support ended
- Plastic body
Detailed Technical Info
Hardware and features in detail.
- Screen size
- 6.5"
- Resolution
- 720 x 1600
- Display type
- PLS LCD
- Refresh rate
- 60Hz
- Max brightness
- 450 nits
- Screen protection
- Tempered glass
Display
- Screen size
- 6.5"
- Resolution
- 720 x 1600
- Display type
- PLS LCD
- Refresh rate
- 60Hz
- Max brightness
- 450 nits
- Screen protection
- Tempered glass
Performance
- Processor
- Exynos 850 (8 nm)
- CPU cores
- Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
- GPU
- Mali-G52
- RAM
- 2GB
- AnTuTu score
- 107157 (v8)
Camera
- Main camera
- 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
- Ultra-wide
- 8 MP, f/2.2, 123˚
- Telephoto
- Not available
- Front camera
- 13 MP, f/2.2, (wide), 1/3.1", 1.12µm
- 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 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
- Bluetooth
- 5.0, A2DP, LE
- NFC
- Yes
- USB
- USB Type-C 2.0
Body & Dimensions
- Dimensions
- 163.7 x 75.3 x 8.9 mm
- Weight
- 192 g
- Materials
- Glass front, plastic frame, plastic back
- Water resistance
- None
Condition Classes
All devices are fully tested and working.
New
Out of Stock
Brand new, sealed box. Full manufacturer warranty.
Excellent (A+)
Out of Stock
The screen is scratch-free. The casing has no visible marks. Battery capacity is over 90%.
Very Good (A)
Out of Stock
In very good condition. Minimal signs of use.
Good (B)
Out of Stock
Few scratches on the casing. The screen may have individual micro-scratches. Battery 85-90%.
Above Average (C+)
Out of Stock
Clear signs of use and scratches. Possible minor dents on the frame. Battery at least 80%. All functions tested.
Acceptable (C)
Out of Stock
Clearly visible signs of use. Best price.
Model characteristics
Common issues that may occur with Galaxy A21s.
System slowdown
ModerateWeak Exynos 850 processor and limited RAM
Screen ghosting
MinorTechnological limitation of PLS LCD panel
Wi-Fi connection drops
ModerateSoftware bug or antenna contact issue
Rapid casing wear
MinorSoft 'Glasstic' material
Repairs and Parts6/10 iFixit / GreenFox Estimate
Battery Replacement
The back cover is glued, but the battery is accessible after opening
Screen Replacement
Requires removal of almost all components to access the screen
Charging Port Repair
The charging port is located on a separate daughterboard, which is easy to replace
Spare parts are widely available as both original and B-grade parts
Environmental Impact
Buying a used device saves valuable resources.
CO₂ Saved
45 kg CO2e
Water Saved
9500 liters
E-Waste Avoided
182 grams
Reused
88%
Recycled
12%
Methodology: Fraunhofer Institute / Refurbed.com calculation model (2025)
Who Is This For?
This device is especially well-suited for these users.
Elderly user
A person who needs a phone for calls, WhatsApp, and reading news.
- Large screen is easy to read
- Battery lasts for several days
- Affordable price without unnecessary features
Budget-conscious student
A young person needing their first smartphone for social media and schoolwork.
- Good camera for social media
- With a memory card, you can add plenty of space for photos
- Durable battery for a school day
Second work phone
A necessary device solely for calls, emails, and using banking apps.
- Dual-SIM support
- NFC for payments
- Small investment in a work tool
Network Compatibility
Supported frequencies and carriers.
LatviaYour country
Estonia
Finland
Lithuania
The device does not support 5G networks. In 2026, 4G speeds will still be sufficient for normal use.
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 better processor, but the A21s remains competitive due to its lower price.
| Feature | Galaxy A21s | Galaxy A22 |
|---|---|---|
| Display type | PLS LCD | Super AMOLED |
| Refresh rate | 60Hz | 90Hz |
| Camera OIS | No | Yes |
Xiaomi offers a higher screen resolution (FHD+), but Samsung's One UI software is more intuitive and stable for many users.
| Feature | Galaxy A21s | Redmi Note 9 |
|---|---|---|
| Screen resolution | 720p (HD+) | 1080p (FHD+) |
| Charging speed | 15W | 18W |
| User interface | One UI | MIUI |
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