Fairphone 4
2021Software supported
Price from
Condition
Pros and Cons
Strengths and weaknesses at a glance.
Why choose
- Modular design
- Removable battery
- 5G ready
- Ethical sourcing
- Long warranty
- Clean Android
What to consider
- No headphone jack
- LCD screen
- Large dimensions
- Average camera
- Slow charging
Detailed Technical Info
Hardware and features in detail.
- Screen size
- 6.3"
- Resolution
- 1080 x 2340
- Display type
- IPS LCD
- Refresh rate
- 60Hz
- Max brightness
- 500 nits
- Screen protection
- Corning Gorilla Glass 5
Display
- Screen size
- 6.3"
- Resolution
- 1080 x 2340
- Display type
- IPS LCD
- Refresh rate
- 60Hz
- Max brightness
- 500 nits
- Screen protection
- Corning Gorilla Glass 5
Performance
- Processor
- Qualcomm SM7225 Snapdragon 750G 5G (8 nm)
- CPU cores
- Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570)
- GPU
- Adreno 619
- RAM
- 6GB
- AnTuTu score
- 390000 (v9)
Camera
- Main camera
- 48 MP, f/1.6, (wide), 1/2.0", 0.8µm, PDAF, OIS
- Ultra-wide
- 48 MP, f/2.2, 120˚ (ultrawide), AF
- Telephoto
- Not available
- Front camera
- 25 MP, f/2.2, (wide), 1/2.78", 0.9µm
- Video
- 4K@30fps, 1080p@30/60fps, gyro-EIS
Battery
- Capacity
- 3905 mAh
- Charging speed
- 20W wired, 50% in 30 min
- Wireless charging
- No
- Battery life
- Up to 13 hours of web browsing
Connectivity
- 5G
- Yes
- Wi-Fi
- Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
- Bluetooth
- 5.1, A2DP, LE
- NFC
- Yes
- USB
- USB Type-C 3.0, OTG, DisplayPort
Body & Dimensions
- Dimensions
- 162 x 75.5 x 10.5 mm
- Weight
- 225 g
- Materials
- Glass front (GG5), aluminum frame, plastic back
- Water resistance
- IP54 dust protected and water resistant (water splashes)
Condition Classes
All devices are fully tested and working.
Good (B)
from 284,9 €
Some light scratches on the frame or back. The screen is clean. All modules are tested and working.
Acceptable (C)
from 245,9 €
Clearly visible signs of use. Best price.
Model characteristics
Common issues that may occur with Fairphone 4.
Ghost touches on the screen
ModerateConnection between the screen module and the motherboard or a software bug.
Proximity sensor malfunctions
MinorSoftware calibration issue or dust in front of the sensor.
USB-C port wear
ModeratePhysical wear and dirt.
Camera app lag
MinorUnoptimised software.
Repairs and Parts10/10 iFixit
Battery Replacement
The back cover is removable without tools, the battery is immediately accessible.
Screen Replacement
Replacing the screen only requires removing a few screws, no glue is used.
Charging Port Repair
The USB-C port is a separate module and can be replaced in minutes.
Spare parts are available directly from the manufacturer and from many resellers.
Environmental Impact
Buying a used device saves valuable resources.
CO₂ Saved
42 kg CO2e
Water Saved
9500 liters
E-Waste Avoided
225 grams
Reused
95%
Recycled
5%
Methodology: Fairphone Impact Report / Fraunhofer Institute
Who Is This For?
This device is especially well-suited for these users.
Environmentally conscious consumer
A person who wants to minimise their ecological footprint and avoid rapid consumption cycles.
- Ethically sourced materials
- Long lifespan
- Lower CO2 emissions
DIY enthusiast
A user who enjoys repairing devices themselves and having control over their hardware.
- 10/10 repairability score
- Spare parts availability
- Modularity
Pragmatic business user
Needs a reliable device with long support that doesn't need to be replaced due to minor faults.
- Durable construction
- 5G support
- Easy in-house maintenance
Network Compatibility
Supported frequencies and carriers.
LatviaYour country
Estonia
Finland
Lithuania
Fairphone 4 has wide band support and works without issues in all Nordic networks.
Comparisons With Other Models
How this model differs from the competition.
Fairphone 5 offers an OLED screen and longer support, but Fairphone 4 is significantly cheaper in 2026 and perfectly meets basic needs.
| Feature | Fairphone 4 | Fairphone 5 |
|---|---|---|
| Display | IPS LCD | OLED |
| Refresh rate | 60Hz | 90Hz |
| Weight | 225g | 212g |
Nokia is cheaper and also repairable, but Fairphone 4's modularity is deeper (tool-free battery replacement) and its materials are more ethical.
| Feature | Fairphone 4 | G42 5G |
|---|---|---|
| Battery replacement | Tool-free | Requires tools |
| Build quality | Aluminium/Plastic | Full plastic |
| Screen resolution | 1080p | 720p |
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