Ulefone S1
Platform
| GPU | Mali-400 |
| CPU | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | Mediatek MT6580 (28nm) |
| OS | Android 8.1 Oreo (Go edition) |
Memory
| Internal | 8GB 1GB RAM |
| Card slot | microSDXC (uses shared SIM slot) |
Main Camera
| Video | 720p@30fps |
| Features | LED flash, HDR |
| Dual | 5 MP, f/2.2, (wide), AF 5 MP |
Selfie camera
| Video | |
| Single | 2 MP |
Display
| Resolution | 480 x 960 pixels, 18:9 ratio (~195 ppi density) |
| Size | 5.5 inches, 78.1 cm2 (~74.3% screen-to-body ratio) |
| Type | IPS LCD |
Body
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Weight | 183 g (6.46 oz) |
| Dimensions | 148.6 x 70.7 x 9.6 mm (5.85 x 2.78 x 0.38 in) |
Battery
| Type | Li-Po 3000 mAh, non-removable |
Sound
| 3.5mm jack | Yes |
| Loudspeaker | Yes |
Features
| Sensors | Accelerometer, proximity |
Misc
| Colors | Gold, Black |
Comms
| USB | microUSB 2.0 |
| Radio | Stereo FM radio, RDS, recording |
| NFC | No |
| GPS | Yes, with A-GPS |
| Bluetooth | 4.0, A2DP |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
Launch
| Status | Available. Released 2018, August |
| Announced | 2018, August |
Network
| Speed | HSPA 21.1/5.76 Mbps |
| 3G bands | HSDPA 900 / 2100 |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Technology |