| Brand | Walton |
| Model | Primo S3 |
| Device Type | Smartphone |
| Release Date | 01 November 2014 |
| Status | Available |
| Operating System | Android |
| OS Version | v4.4.2 (KitKat) |
| Chipset | MediaTek MT6582 |
| CPU | Quad-Core 1.3GHz ARM Cortex A7 |
| CPU Cores | 4 Cores |
| Architecture | 32 bit |
| GPU | ARM Mali-400 MP1 |
| Display Type | IPS LCD |
| Screen Size | 4.7 inches (11.93 cm) |
| Resolution | 480x854 px |
| Screen Protection | Gorilla Glass |
| Bezel-less Display | Yes with notch |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Refresh Rate | 30 Hz |
| Notch | Yes |
| Camera Setup | Single |
| Resolution | 8 MP, Primary Camera |
| Autofocus | Yes |
| Flash | LED Flash |
| Settings | Exposure compensation |
| Zoom | Digital Zoom |
| Shooting Modes | High Dynamic Range mode (HDR) |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
| Camera Setup | Single |
| Resolution | 5 MP, Primary Camera |
| Autofocus | Yes |
| Video Recording | 1280x720 |
| Video FPS | 30 fps |
| Height | 137.4 mm |
| Width | 67.77 mm |
| Thickness | 7.4 mm |
| Weight | 133 grams |
| Colors | Black, White |
| Battery type | Li-Ion (Lithium-Ion) |
| Capacity | 2000 mAh |
| Placement | Removable |
| Internal Storage | 16 GB |
| Expandable Memory | Up to 32 GB |
| USB OTG | Yes |
| RAM | 1 GB |
| Network | 2G, 3G |
| SIM Slot | Dual SIM, GSM+GSM |
| SIM Size | SIM1: Nano, SIM2: Nano |
| EDGE | Available |
| GPRS | Available |
| Speed | HSPA |
| WLAN | Wi-Fi 4 (802.11 b/g/n) |
| Bluetooth | v4.0 |
| GPS | Yes with A-GPS |
| Wi-fi Hotspot | Yes |
| NFC | Yes |
| USB | microUSB 2.0 |
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass |
| FM Radio | Yes |
| Loudspeaker | Yes |
| Alert Types | Vibration; MP3, WAV ringtones |
| Audio Jack | 3.5 mm |
| Video | 1080p@30fps |
| Document Reader | Yes |
| Made By | Bangladesh |
| Features | Accelerometer, Compass |
