| Hardware and OS Oppo A3 |
| Operating system: | Android 8.1 (Oreo); ColorOS 5 |
| Processor: | Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
| Chipset: | Mediatek MT6771 Helio P60 (12 nm) |
| GPU: | Mali-G72 MP3 |
| Internal memory: | 128 GB, 4 GB RAM |
| External memory: | microSD, up to 256 GB (dedicated slot) |
| Display Oppo A3 |
| Type: | LTPS IPS LCD |
| Size: | 6.2" inc |
| Resolution: | 1080 x 2280 px |
| Touchscreen: | capacitive touchscreen |
| Screen-to-Body Ratio: | 82.5% |
| Display area: | 96.9 cm2 |
| Display aspect ratio: | 19:9 (height:width) |
| Pixel Density: | 405 PPI |
| Colors: | 16M |
| Connectivity Oppo A3 |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network: | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
| Wi-Fi: | Wi-Fi 802.11 b/g/n/ac, dual-band, WiFi Direct, hotspot |
| Network: | GSM / CDMA / HSPA / LTE |
| SIM card: | Dual SIM (Nano-SIM, dual stand-by) |
| Bluetooth: | 4.2, A2DP, LE |
| Edge: | Yes |
| GPRS: | Yes |
| GPS: | Yes, with A-GPS |
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat13 600/100 Mbps |
| USB: | microUSB 2.0, USB On-The-Go |
| Camera Oppo A3 |
| Main camera: | 16 MP,
Single |
| Specs: | 16 MP, f/1.8, PDAF |
| Features: | LED flash, HDR, panorama |
| Video: | 1080p@30fps |
| Selfie camera: | 8 MP,
Single |
| Specs: | 8 MP, f/2.2 |
| Multimedia Oppo A3 |
| 3.5 mm Jack: | Yes |
| Radio: | FM radio |
| Design Oppo A3 |
| Colors: | Knight Black, Soybean Meal, Stardust Silver, Garnet Red |
| Dimensions: | 156 x 75.3 x 7.8 mm |
| Weight: | 159 g |
| Battery Oppo A3 |
| Battery capacity: | 3400 mAh, Non-removable Li-Ion |
| Other Oppo A3 |
| Release date: | 2018, April |
| Sensors: | Accelerometer, gyro, proximity, compass |
