| Hardware and OS | OPPO A71k | |
| Operating System | Android v7.1 (Nougat) | |
| Processor | 1.8 GHz, Octa Core Processor | |
| Chipset | Qualcomm Snapdragon 450 | |
| RAM | 2 GB | |
| Internal Memory | 16 GB | |
| Memory Card Slot | Yes, (Hybrid Slot) | |
| Graphics | Adreno 506 | |
| Dual Sim | Yes | |
| Sim Size | Nano SIM | |
| Sim Type | Dual Sim, GSM GSM (Hybrid Slot) | |
| Display | OPPO A71k | other phones |
| Screen Size | 5.2 inches, 720 x 1280 pixels | |
| Display Type | Color IPS screen (16M colors) | |
| Pixel Density | ~282 PPI | |
| Touch Screen | Yes, with Multitouch | |
| Display aspect ratio | 16:9 | |
| Connectivity | OPPO A71k | other phones |
| 3G Network | Yes | |
| 4G Network | Yes | |
| Bluetooth | Yes, v4.0 | |
| EDGE | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS Support | |
| USB | Yes, microUSB v2.0 | |
| USB Features | USB on-the-go | |
| VoLTE | Yes | |
| Wifi | Yes, with wifi-hotspot | |
| Camera | OPPO A71k | other phones |
| Main camera | 13 MP with autofocus | |
| Video Recording | 1080p @ 30fps FHD | |
| Flash | Yes, LED | |
| Selfie camera | 5 MP | |
| Features | Face detection, Geo tagging, Panorama, Touch to focus | |
| Multimedia | OPPO A71k | other phones |
| Headphone jack | Yes | |
| Email | Yes, with Push Email | |
| FM Radio | Yes | |
| Music | FLAC, MP3, eAAC , WAV | |
| Video | MP4, H.264 | |
| Browser | Yes, supports HTML5 | |
| Java | No | |
| Supports | MMS | |
| Design | OPPO A71k | other phones |
| Dimensions | 148.1 x 73.8 x 7.6 mm | |
| Weight | 137 g | |
| Battery | OPPO A71k | other phones |
| Battery capacity | 3000 mAh, Li-ion Battery | |
| Type | Non-Removable Battery | |
