| Hardware and OS | Oppo A71 | |
| Operating system | Android 7.1 (Nougat); ColorOS 3.1 | |
| Processor | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | |
| Chipset | Mediatek MT6750 (28 nm) | |
| GPU | Mali-T860MP2 | |
| Internal memory | 16 GB, 3 GB RAM | |
| External memory | microSD, up to 256 GB (dedicated slot) | |
| Display | Oppo A71 | other phones |
| Type | IPS LCD | |
| Size | 5.2" inc | |
| Resolution | 720 x 1280 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 68.2% | |
| Display area | 74.5 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 282 PPI | |
| Colors | 16M | |
| Connectivity | Oppo A71 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | UMTS 900 / 2100 / 850 | |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | |
| Network | GSM / UMTS / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 4.0, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA, LTE | |
| USB | microUSB 2.0, USB On-The-Go | |
| Camera | Oppo A71 | other phones |
| Main camera | 13 MP, Single | |
| Specs | 13 MP, PDAF, f/2.2 | |
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | 5 MP, Single | |
| Multimedia | Oppo A71 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Oppo A71 | other phones |
| Colors | Gold, Black | |
| Body build | Front glass, aluminum body | |
| Dimensions | 148.1 x 73.8 x 7.6 mm | |
| Weight | 137 g | |
| Battery | Oppo A71 | other phones |
| Battery capacity | 3000 mAh, Non-removable Li-Ion | |
| Other | Oppo A71 | other phones |
| Release date | 2017, September | |
| Sensors | Accelerometer, proximity, compass | |
