| Brand | Oppo |
| Model | Oppo A18 |
| Network | GSM / HSPA / LTE |
| Dimensions | 163.7 x 75 x 8.2 mm |
| Weight | 188 g |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | IPS LCD, 90Hz, 720 nits (peak) |
| Display Size | 6.56 inches |
| Display Resolution | 720 x 1612 pixels, 20:9 ratio |
| OS | Android 13, upgradable to Android 14, ColorOS 14 |
| Chipset | Mediatek MT6769 Helio G85 (12nm) |
| CPU | Octa-core |
| Memory | 4/64GB | 4/128GB |
| Main Camera | 8 MP, f/2.0, (wide), AF 2 MP, f/2.4, (depth), Features:LED flash, panorama, Video:1080p@30fps |
| Selfie Camera | 5 MP, f/2.2, (wide), Features:Panorama, Video:1080p@30fps |
| Sound | Loudspeaker |
| Battery Info | Li-Po 5000 mAh, non-removable |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
