| Hardware and OS | OPPO A12s | |
| Operating System | Android v9.0 (Pie) | |
| Custom UI | ColorOS | |
| Processor | Octa core, 2.3 GHz, Cortex A53 | |
| Chipset | MediaTek Helio P35 | |
| Architecture | 64 bit | |
| RAM | 3 GB | |
| Internal Memory | 32 GB | |
| Expandable Memory | yes Up to 256 GB | |
| Graphics | PowerVR GE8320 | |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| Display | OPPO A12s | other phones |
| Screen Size | 6.22 inches (15.8 cm) | |
| Screen Resolution | 720 x 1520 pixels | |
| Display Type | IPS LCD | |
| Pixel Density | 270 ppi | |
| Screen to Body Ratio | 88.3 % | |
| Screen Protection | Corning Gorilla Glass v3 | |
| Touch Screen | yes Capacitive Touchscreen, Multi-touch | |
| Main Camera | OPPO A12s | other phones |
| Resolution | 13 MP f/2.2 Primary Camera
2 MP f/2.4, Depth Camera
| |
| Image Resolution | 4128 x 3096 Pixels | |
| Flash | yes LED Flash | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Autofocus | yes | |
| Physical Aperture | F2.2 | |
| Shooting Modes | Continuos Shooting, High Dynamic Range mode (HDR) | |
| Settings | Exposure compensation, ISO control | |
| Front Camera | OPPO A12s | other phones |
| Resolution | 5 MP f/2.4 Primary Camera
| |
| Physical Aperture | F2.4 | |
| Connectivity | OPPO A12s | other phones |
| Network | 4G: Available ,
3G: Available, 2G: Available | |
| SIM Size | SIM1: Nano, SIM2: Nano | |
| Bluetooth | yes v4.2 | |
| GPS | yes with A-GPS, Glonass | |
| NFC | No | |
| VoLTE | yes | |
| Wi-Fi | yes Wi-Fi 802.11, b/g/n | |
| Wi-Fi Features | Mobile Hotspot | |
| USB Connectivity | Mass storage device, USB charging, microUSB 2.0 | |
| Multimedia | OPPO A12s | other phones |
| Audio Jack | 3.5 mm | |
| Loudspeaker | yes | |
| Design | OPPO A12s | other phones |
| Height | 155.9 mm | |
| Width | 75.5 mm | |
| Thickness | 8.3 mm | |
| Weight | 165 grams | |
| Colours | Blue, Grey | |
| Battery | OPPO A12s | other phones |
| Type | Li-ion | |
| Capacity | 4230 mAh | |
| User Replaceable | No | |
| USB Type-C | No | |
| Features | OPPO A12s | other phones |
| Fingerprint Sensor | yes | |
| Fingerprint Sensor Position | Rear | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer | |
