4 Review, Price, Specs & Features (2025)
Fairphone • Released on , October 25
4 is one of the latest smartphones from Fairphone in 2025. This 4 review covers all the key features, specifications, price, and expert analysis you need to know before buying. If you're looking for a powerful, affordable, and feature-rich phone, the 4 could be your best choice in 2025.
The 4 features a 6.3 inches, 97.4 cm2 (~79.7% screen-to-body ratio) display, 48 MP camera, 6/8 GB ram, 128GB/256GB storage, microSDXC storage, and a 3905 mAh battery, . Powered by Qualcomm SM7225 Snapdragon 750G 5G (8 nm) and running on Android 11, upgradable to Android 14, this device is designed for users who demand performance and reliability.
In this detailed 4 review, you'll find the latest price, user reviews, expert opinions, and a comparison with other top Fairphone phones. Whether you're interested in the 4 camera, battery life, gaming performance, storage or we've got you covered.
4 Specifications
- Display: 6.3 inches, 97.4 cm2 (~79.7% screen-to-body ratio) screen for immersive viewing experience
- Camera: 48 MP camera system for high-quality photography
- Performance: 6/8 GB RAM for smooth multitasking
- Storage: 128GB/256GB storage, microSDXC internal storage for apps and media
- Battery: 3905 mAh battery for all-day usage
Network
| Technology | GSM / HSPA / LTE / 5G |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 38, 40, 41, 71 |
| Speed | HSPA 42.2/5.76 Mbps, LTE (4CA) Cat18 1200/150 Mbps, 5G 2.3 Gbps DL |
Launch
| Announced | 2021, September 30 |
| Status | Available. Released 2021, October 25 |
Body
| Dimensions | 162 x 75.5 x 10.5 mm (6.38 x 2.97 x 0.41 in) |
| Weight | 225 g (7.94 oz) |
| Build | Glass front (Gorilla Glass 5), aluminum frame, plastic back |
| SIM | Nano-SIM + eSIM |
Display
| Type | IPS LCD |
| Protection | Corning Gorilla Glass 5 |
Platform
| OS | Android 11, upgradable to Android 14 |
| Chipset | Qualcomm SM7225 Snapdragon 750G 5G (8 nm) |
| CPU | Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570) |
| GPU | Adreno 619 |
Memory
| Card slot | microSDXC (dedicated slot) |
| Internal | 128GB 6GB RAM, 256GB 8GB RAM |
Sound
| Loud Speaker | Yes |
Comms
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 5.1, A2DP, LE |
| Positioning | GPS, GLONASS, GALILEO, BDS |
| NFC | Yes |
| Radio | No |
| USB | USB Type-C 3.0, OTG, DisplayPort |
Battery
| Type | Li-Ion 3905 mAh, removable |
Features
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
MISC
| Colors | Gray, Green, Speckled Green |
| Disclaimer: We cannot guarantee that the information on this page is 100% correct. |
FAQ
Water resistance varies by model. Check the device specifications for IP rating details.
Yes, {$product->name} supports 5G connectivity.
4 runs Android 11, upgradable to Android 14.
No, this product does not support wireless charging.
The 4 features a 3905 mAh battery capacity.
The 4 comes with a 48 MP main camera.
The 4 features a 6.3 inches, 97.4 cm2 (~79.7% screen-to-body ratio) display. With 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) resolution for crisp and clear visuals. The IPS LCD technology ensures vibrant colors and excellent viewing angles.
The 4 is equipped with 6/8 RAM for smooth multitasking and performance. Combined with the Qualcomm SM7225 Snapdragon 750G 5G (8 nm) processor, it delivers excellent performance for daily tasks and gaming.
Expert Analysis
Our team of mobile technology experts has analyzed the 4 specifications to help you understand how this device compares to other smartphones in its category. This comprehensive guide provides detailed insights into the phone's capabilities, performance potential, and suitability for different use cases.
Who Should Consider This Phone?
The 4 is ideal for users who prioritize photography, smooth performance, ample storage, long battery life . Whether you're a casual user, content creator, or business professional, this device offers the features you need for modern smartphone usage.
Why Choose 4?
The 4 stands out in the competitive smartphone market with an impressive 6.3 inches, 97.4 cm2 (~79.7% screen-to-body ratio) display, an advanced 48 MP camera system, a long-lasting 3905 mAh battery, a powerful Qualcomm SM7225 Snapdragon 750G 5G (8 nm) processor.
Why Buy 4?
- Latest Qualcomm SM7225 Snapdragon 750G 5G (8 nm) smartphone from Fairphone with excellent value for money
- Powerful Qualcomm SM7225 Snapdragon 750G 5G (8 nm) and 6/8 GB RAM for smooth multitasking
- Long-lasting 3905 mAh battery and fast charging support
- High-resolution 48 MP camera for stunning photos and videos
- Large 6.3 inches, 97.4 cm2 (~79.7% screen-to-body ratio) display for immersive viewing
- Runs on Android 11, upgradable to Android 14 with regular updates
- Great for gaming, streaming, and everyday use
4 vs Competitors
Compare 4 with other popular smartphones in its price range:
- Galaxy A52 5G vs 4
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Use our phone comparison tool to see detailed specs and prices side by side.
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