| Brand | Nokia |
| Model | 3120 Classic |
| Device Type | FeaturePhone |
| Release Date | 15 April 2008 |
| Status | Available |
| Operating System | FeaturePhone |
| Display Type | TFT |
| Screen Size | 2 inches (5.08 cm) |
| Resolution | 240x320 px |
| Aspect Ratio | 4:3 |
| Pixel Density | 200 ppi |
| Screen to Body Ratio | 24.8 % |
| Camera Setup | Single |
| Resolution | 2 MP, Primary Camera |
| Flash | LED Flash |
| Zoom | Digital Zoom |
| Height | 111.00 mm |
| Width | 45.00 mm |
| Thickness | 13.00 mm |
| Weight | 85 grams |
| Colors | Graphite, Plum/Powder White, Deep Red, Chestnut Brown |
| Battery type | Li-Ion (Lithium-Ion) |
| Capacity | 1000 mAh |
| Placement | Removable |
| Standby | Up to 290 h (2G) / 288 h (3G) |
| Talk Time | Up to 3 h 30 min (2G) / 2 h 45 min (3G) |
| Internal Storage | 24 MB |
| Network | 2G, 3G |
| SIM Slot | Single SIM, GSM |
| SIM Size | SIM1: Mini-SIM |
| EDGE | Class 32 |
| GPRS | Class 32 |
| Bluetooth | v2.0 |
| USB | microUSB 2.0 |
| FM Radio | Yes |
| Loudspeaker | Yes |
| Video | 480p (newest firmware only) |
| Document Reader | Yes |
| Made By | Finland |
