| Hardware and OS | OPPO A1s | |
| Operating System | Android v9.0 (Pie) | |
| Processor | 2 GHz, Octa Core Processor | |
| Chipset | MediaTek Helio P22 | |
| RAM | 3 GB | |
| Internal Memory | 32 GB | |
| Memory Card Slot | Yes, upto 256 GB | |
| Graphics | PowerVR GE8320 | |
| Dual Sim | Yes | |
| Sim Size | Nano Nano SIM | |
| Sim Type | Dual Sim, GSM GSM | |
| Display | OPPO A1s | other phones |
| Screen Size | 6.1 inches, 720 x 1520 pixels | |
| Display Type | Color IPS LCD screen (16M) | |
| Pixel Density | ~271 PPI | |
| Screen-to-Body Ratio | ~ 79.89% | |
| Touch Screen | Yes, with Multitouch | |
| Display aspect ratio | 19:9 | |
| Features | Corning Gorilla Glass | |
| Connectivity | OPPO A1s | other phones |
| 3G Network | Yes | |
| 4G Network | Yes | |
| Bluetooth | Yes, v4.2 | |
| EDGE | Yes | |
| GPRS | Yes | |
| GPS | Yes | |
| USB | Yes, microUSB v2.0 | |
| USB Features | USB Charging | |
| VoLTE | Yes | |
| Wifi | Yes, with wifi-hotspot | |
| Camera | OPPO A1s | other phones |
| Main camera | 13 MP 2 MP with autofocus | |
| Video Recording | No | |
| Flash | Yes, LED | |
| Selfie camera | 8 MP | |
| Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Multimedia | OPPO A1s | other phones |
| Headphone jack | Yes | |
| Email | Yes | |
| FM Radio | No | |
| Music | Yes | |
| Video | Yes | |
| Browser | Yes, supports HTML5 | |
| Java | No | |
| Battery | OPPO A1s | other phones |
| Battery capacity | 4000 mAh, Li-Po Battery | |
| Type | Non-Removable Battery | |
