| Secret codes OPPO A4 |
| Root OPPO A4 |
| Unlock OPPO A4 |
| Firmware OPPO A4 |
| Developer Mode OPPO A4 |
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| Remove a Google account OPPO A4 |
| OPPO A4 Factory Reset |
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| Screenshot OPPO A4 |
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OS: Android v11 CPU: Octa core (2 GHz, Quad core, Cortex A73 2 GHz, Quad core, Cortex A53) RAM: 128 GB Display: 6.2 inches (15.75 cm) Battery: Li-ion |
| Hardware and OS OPPO A4 | |
| Operating System: | Android v11 |
| Processor: | Octa core (2 GHz, Quad core, Cortex A73 2 GHz, Quad core, Cortex A53) |
| Chipset: | MediaTek Helio P60 |
| Architecture: | 64 bit |
| Internal Memory: | 128 GB |
| External memory: | Yes, Up to 256 GB |
| RAM: | 4 GB |
| GPU: | Mali-G72 MP3 |
| Display OPPO A4 | |
| Type: | IPS LCD |
| Size: | 6.2 inches (15.75 cm) |
| Screen format: | 19:9 |
| PPI /points per inch/: | 407 ppi |
| Touchscreen: | Yes, Capacitive Touchscreen, Multi-touch |
| Screen Protection: | Corning Gorilla Glass v3, |
| Connectivity OPPO A4 | |
| 4G Bands: | TD-LTE 2300(band 40), FD-LTE 1800(band 3) |
| Network Support: | 4G, 3G, 2G |
| SIM card: | SIM1: Nano, SIM2: Nano |
| SIM Slot(s): | Dual SIM, GSM GSM |
| Bluetooth: | Yes, v5.1 |
| GPS: | Yes with A-GPS |
| USB Connectivity: | Mass storage device, USB charging |
| VoLTE: | Yes |
| Wi-Fi: | Yes, Wi-Fi 802.11, b/g/n |
| Camera OPPO A4 | |
| Main camera: | 16 MP f/1.8, Primary Camera, 2 MP, |
| Camera Setup: | Dual |
| Autofocus: | Yes |
| Camera Features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Flash: | Yes, LED Flash |
| Image Resolution: | 4616 x 3464 Pixels |
| Video Recording: | 1920x1080 @ 30 fps |
| Selfie camera: | 8 MP f/2.2, Primary Camera, |
| Camera Setup: | Single |
| Video Recording: | 1920x1080 @ 30 fps |
| Multimedia OPPO A4 | |
| Headphone jack: | 3.5 mm |
| Loudspeaker: | Yes |
| Battery OPPO A4 | |
| Capacity: | 4230 mAh |
| Type: | Li-ion |
| Removable: | No |
| Quick Charging: | Yes, VOOC, 20W |
| USB Type-C: | Yes |
| Other features OPPO A4 | |
| Fingerprint Sensor: | No |
| Other Sensors: | Light sensor, Proximity sensor, Accelerometer |
 | Salcsl | March 25, 2024 |
| Feature phones have longer battery life, are more durable, have physical buttons for easier typing, and are generally more affordable. | ||
| Reply | ||
| Nin-Guzykl | May 01, 2024 |
| Limited functionality, outdated design, lack of modern features and apps. | ||
| Reply | ||
| Ncplnw | May 03, 2024 |
| Great phone with impressive features. | ||
| Reply | ||
