| Hardware and OS Oppo A55 4G |
| Operating system: | Android v11 |
| Processor: | MediaTek Helio G35 |
| RAM: | 4 GB |
| Internal Storage: | 64 GB |
| Expandable memory: | Yes, Upto 256 GB |
| Custom UI: | ColorOS |
| Display Oppo A55 4G |
| Type: | LCD HD |
| Size: | 6.51 inches |
| Resolution: | 1600 x 720 Pixels |
| Pixel Density: | 270 ppi |
| Touchscreen: | Yes, Capacitive Touchscreen, Multi-touch |
| Aspect ratio: | 20:9 |
| Refresh rate: | 120 Hz |
| Screen to body ratio calculated: | 82.62 % |
| Connectivity Oppo A55 4G |
| Network support: | 4G , 3G, 2G |
| WI-FI: | Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz |
| Gps: | Yes, with A-GPS, Glonass |
| Bluetooth: | Yes, v5.0 |
| Dual SIM: | Dual SIM, GSM GSM |
| SIM size: | SIM1: Nano, SIM2: Nano |
| USB TYPE-C: | Yes |
| USB connectivity: | Mass storage device, USB charging |
| Camera Oppo A55 4G |
| Main camera: | 50 MP 2 MP 2 MP |
| Image: | 8150 x 6150 Pixels |
| Front camera: | 16 MP |
| Front camera resolution: | 16 MP f/2, Wide Angle Primary Camera |
| Camera features: | Yes |
| Flash: | Yes, LED Flash |
| Autofocus: | Yes |
| Video recording: | 1920x1080 @ 30 fps, 1280x720 @ 30 fps |
| Multimedia Oppo A55 4G |
| Audio jack: | 3.5 MM |
| Loudspeaker: | Yes |
| Design Oppo A55 4G |
| Height: | 163.6 mm |
| Width: | 75.7 mm |
| Thickness: | 8.4 mm |
| Weight: | 193 grams |
| Colours: | Starry Black, Rainbow Blue |
| Waterproof: | Yes, Splash proof, IPX4 |
| Battery Oppo A55 4G |
| Capacity: | 5000 mAh |
| Type: | Lithium Polymer |
| Quick charging: | Yes, Fast, 18W: 33 % in 30 minutes |
| Other Oppo A55 4G |
| Fingerprint sensor: | Yes |
| Fingerprint sensor position: | Side |
| Other sensors: | Geomagnetic Sensor, Light Sensor, Proximity Sensor, Accelerometer, Gravity Sensor |
