| Hardware and OS Oppo A55 |
| Operating system: | Android 11, ColorOS 11.1 |
| Processor: | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset: | MediaTek MT6765G Helio G35 (12 nm) |
| Internal memory: | 64GB 4GB RAM, 128GB 6GB RAM |
| External memory: | microSDXC (dedicated slot) |
| GPU: | PowerVR GE8320 |
| Display Oppo A55 |
| Size: | 6.51 inches, 102.3 cm2 |
| Resolution: | 720 x 1600 pixels, 20:9 ratio |
| Type: | IPS LCD, 480 nits (typ), 550 nits (peak) |
| Protection: | NEG T2X-1 |
| Main Camera Oppo A55 |
| Camera: | 50 MP, f/1.8 26mm (wide), PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth) |
| Features: | LED flash, HDR, panorama |
| Video: | 1080p@30fps |
| Selfie camera Oppo A55 |
| Camera: | 16 MP, f/2.0, 26mm (wide) |
| Features: | HDR |
| Video: | 1080p@30fps |
| Connectivity Oppo A55 |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 2100 |
| 4G Network: | 1, 3, 5, 8, 38, 40, 41 |
| Bluetooth: | 5.0, A2DP, LE, aptX |
| GPS: | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| NFC: | No |
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A |
| Technology: | GSM / HSPA / LTE |
| USB: | USB Type-C 2.0, USB On-The-Go |
| WLAN: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Multimedia Oppo A55 |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Radio: | No |
| Battery Oppo A55 |
| Type: | Li-Po 5000 mAh, non-removable |
| Charging: | Fast charging 18W |
| Design Oppo A55 |
| Body: | Splash-proof |
| Colors: | Rainbow Blue, Starry Black, Green |
| Dimensions: | 163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in) |
| Weight: | 193 g (6.81 oz) |
| SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Features Oppo A55 |
| Sensors: | Fingerprint (side-mounted), accelerometer, proximity, compass |
