| Brand: | Ulefone |
| Model: | S1 |
| Type: | Smartphone |
| Release Date: | 2018 |
| Size: | 5.5 inches, 78.1 cm2 |
| Resolution: | 480 x 960 pixels, 18:9 ratio (~195 ppi density) |
| Technology: | IPS LCD |
| Main Specs: | 5 MP, f/2.2, (wide), AF 5 MP |
| Main Features: | LED flash, HDR |
| Main Video: | 720p@30fps |
| Selfie Specs: | 2 MP |
| Selfie Video: | 720p@30fps |
| Capacity: | 3000 mAh |
| Type: | Li-Po |
| Chipset: | Mediatek MT6580 (28 nm) |
| Cpu: | Quad-core 1.3 GHz Cortex-A7 |
| Gpu: | Mali-400 |
| Ram: | 1GB |
| Storage: | 8GB |
| Expandable: | microSDXC (uses shared SIM slot) |
| Os: | Android 8.1 Oreo (Go edition) |
| Os Version: | 8.1 |
| Dimensions: | 148.6 x 70.7 x 9.6 mm (5.85 x 2.78 x 0.38 in) |
| Weight: | 183 g (6.46 oz) |
| Sim: | Nano-SIM + Nano-SIM |
| Wifi: | Wi-Fi 802.11 b/g/n |
| Bluetooth: | 4.0, A2DP |
| Nfc: | No |
| Usb: | microUSB 2.0 |
| Headphone Jack: | Yes |
| Network: | GSM / HSPA |
| Sensors: | Accelerometer, proximity |
| Colors: | Gold, Black |
| Os Family: | Android |
| Os Launch Version: | 8.1 |
