| Brand | Itel |
| Model | S31 |
| Device Type | Smartphone |
| Release Date | 10 November 2018 |
| Status | Available |
| Operating System | Android |
| OS Version | v6.0 |
| Chipset | Mediatek MT6580 |
| CPU | Quad-core, 1.3GHz |
| CPU Cores | 4 Cores |
| Architecture | 64 bit |
| Fabrication | 32 nm |
| Display Type | IPS LCD |
| Screen Size | 5.5'' inches |
| Resolution | 720x1280 px (HD) |
| Aspect Ratio | 16:9 |
| Pixel Density | 295 ppi |
| Screen to Body Ratio | 71.2 % |
| Screen Protection | Gorilla Glass |
| Bezel-less Display | Yes with notch |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Refresh Rate | 60 Hz |
| Camera Setup | Single |
| Resolution | 5 MP, f/2.2, Primary Camera |
| Autofocus | Yes |
| Flash | LED Flash |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/2.2 |
| Camera Features | Digital Zoom |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
| Camera Setup | Single |
| Resolution | 5 MP, Primary Camera |
| Height | 154.3 mm |
| Width | 77 mm |
| Thickness | 8.7 mm |
| Weight | 143 grams |
| Colors | Various |
| Battery type | Li-Ion (Lithium Ion) |
| Capacity | 2400 mAh |
| Placement | Non-removable |
| Internal Storage | 32 GB |
| USB OTG | Yes |
| RAM | 1 GB |
| Network | 2G, 3G, 4G |
| SIM Slot | Dual SIM, GSM+GSM |
| SIM Size | Micro |
| EDGE | Available |
| GPRS | Available |
| VoLTE | Yes |
| Speed | HSPA, LTE |
| WLAN | Wi-Fi 4 (802.11 b/g/n) |
| Bluetooth | v4.0 |
| GPS | Yes with A-GPS |
| Wi-fi Hotspot | Yes |
| USB | Mass storage device, USB charging, microUSB 2.0 |
| FM Radio | Yes |
| Loudspeaker | Yes |
| Alert Types | Vibration, MP3, WAV ringtones |
| Audio Jack | 3.5 mm |
| Video | 1080p@30fps |
| Made By | China |
| Features | Accelerometer, gyro, proximity, compass |
