Samsung Galaxy A31
2020Support ended
Price from
Condition
Pros and Cons
Strengths and weaknesses at a glance.
Why choose
- Excellent AMOLED display
- Powerful 5000mAh battery
- Dedicated memory card slot
- Compact and lightweight
- 3.5mm headphone jack
- Affordable price
What to consider
- Weak performance
- Slow charging
- Plastic body
- No 5G
- Software support ended
Detailed Technical Info
Hardware and features in detail.
- Screen size
- 6.4 inches
- Resolution
- 1080 x 2400 pixels (FHD+)
- Display type
- Super AMOLED
- Refresh rate
- 60Hz
- Max brightness
- 600 nits (HBM)
- Screen protection
- Glass (type unspecified)
Display
- Screen size
- 6.4 inches
- Resolution
- 1080 x 2400 pixels (FHD+)
- Display type
- Super AMOLED
- Refresh rate
- 60Hz
- Max brightness
- 600 nits (HBM)
- Screen protection
- Glass (type unspecified)
Performance
- Processor
- Mediatek MT6768 Helio P65 (12nm)
- CPU cores
- 8-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
- GPU
- Mali-G52 MC2
- RAM
- 4GB / 6GB LPDDR4X
- AnTuTu score
- 185000 (v9)
Camera
- Main camera
- 48 MP, f/2.0, 26mm (wide), PDAF
- Ultra-wide
- 8 MP, f/2.2, 123˚
- Telephoto
- Not available
- Front camera
- 20 MP, f/2.2, (wide)
- Video
- 1080p@30fps
Battery
- Capacity
- 5000 mAh
- Charging speed
- 15W wired
- Wireless charging
- No
- Battery life
- Up to 18 hours of web browsing
Connectivity
- 5G
- No
- Wi-Fi
- Wi-Fi 5 (802.11ac)
- Bluetooth
- 5.0
- NFC
- Yes (region dependent)
- USB
- USB Type-C 2.0, OTG
Body & Dimensions
- Dimensions
- 159.3 x 73.1 x 8.6 mm
- Weight
- 185 grams
- Materials
- Plastic frame and back
- Water resistance
- None
Condition Classes
All devices are fully tested and working.
Very Good (A)
from 115,4 €
In very good condition. Minimal signs of use.
Model characteristics
Common issues that may occur with Samsung Galaxy A31.
Slow under-display fingerprint sensor
ModerateFirst-generation optical sensor and a weak processor.
User interface lag
ModerateHigh load on the Helio P65 processor and One UI software.
Rapid casing wear
MinorSoft plastic material.
Phantom screen touches
ModerateDefect in the screen panel or controller.
Repairs and Parts6/10 iFixit / Samsung Official
Battery Replacement
The battery is glued in and requires heating the back cover and careful removal.
Screen Replacement
The Super AMOLED panel is expensive, and replacement requires transferring almost all components.
Charging Port Repair
The charging port is on a separate daughterboard, which is easy to replace.
Spare parts are widely available, both original and third-party.
Environmental Impact
Buying a used device saves valuable resources.
CO₂ Saved
42 kg CO2e
Water Saved
9500 liters
E-Waste Avoided
185 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 primarily for calls, reading news, and communicating with loved ones.
- Large and clear display
- Long battery life
- Simple One UI interface
School child
A child's first smartphone, where social media and video watching are important.
- Good screen for YouTube
- Affordable price for parents
- Option to add a memory card
Work phone
A secondary phone for work matters, requiring long battery life and reliability.
- Dual SIM support
- Affordable purchase price
- Sufficient functionality for emails
Network Compatibility
Supported frequencies and carriers.
FinlandYour country
Estonia
Latvia
Lithuania
The device does not support 5G networks. It is ideal for regular calls and internet browsing.
Comparisons With Other Models
How this model differs from the competition.
The Galaxy A32 offers a significant leap with its 90Hz display and improved main camera, but the A31 remains more compact.
| Feature | Galaxy A31 | Galaxy A32 |
|---|---|---|
| Refresh rate | 60Hz | 90Hz |
| Main camera | 48 MP | 64 MP |
| Design | U-notch | U-notch |
The Samsung A31 wins with its Super AMOLED display, while the Redmi Note 9 offers slightly better build quality and faster charging.
| Feature | Galaxy A31 | Redmi Note 9 |
|---|---|---|
| Display type | Super AMOLED | IPS LCD |
| Charging speed | 15W | 18W |
| Fingerprint sensor | Under display | Rear-mounted |
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