| Hardware and OS Oppo A57s |
| Operating system: | Android 12, ColorOS 12.1 |
| Processor: | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| Chipset: | MediaTek MT6765G Helio G35 (12 nm) |
| GPU: | PowerVR GE8320 |
| Internal memory: | 64GB 4GB RAM |
| External memory: | microSDXC |
| Display Oppo A57s |
| Type: | IPS LCD, 480 nits (typ), 600 nits (HBM) |
| Size: | 6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio) |
| Resolution: | 720 x 1612 pixels, 20:9 ratio |
| Protection: | Panda Glass |
| Connectivity Oppo A57s |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 2100 |
| 4G Network: | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| WLAN: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth: | 5.3, A2DP, LE, aptX HD |
| GPS: | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS |
| NFC: | Yes |
| USB: | USB Type-C 2.0, USB On-The-Go |
| Speed: | HSPA 42.2/5.76 Mbps, LTE |
| Technology: | GSM / HSPA / LTE |
| Main Camera Oppo A57s |
| Camera: | 50 MP, f/1.8, 27mm (wide), PDAF
2 MP, f/2.4, (depth) |
| Features: | LED flash, HDR, panorama |
| Video: | 1080p@30fps |
| Selfie camera Oppo A57s |
| Camera: | 8 MP, f/2.0, 26mm (wide) |
| Features: | Panorama |
| Video: | 1080p@30fps |
| Multimedia Oppo A57s |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes, with stereo speakers |
| Battery Oppo A57s |
| Type: | Li-Po 5000 mAh, non-removable |
| Charging: | Fast charging 33W, 100% in 69 min (advertised) |
| Design Oppo A57s |
| Body: | IP5X (dust), IPX4 (water) resistance |
| Body build: | Glass front (Panda Glass), plastic frame, plastic back |
| SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Weight: | 187 g (6.60 oz) |
| Dimensions: | 163.8 x 75 x 8 mm (6.45 x 2.95 x 0.31 in) |
| Colors: | Starry Black, Sky Blue |
| Features Oppo A57s |
| Sensors: | Fingerprint (side-mounted), accelerometer, proximity, compass |
