| Brand | Oppo |
| Model | A77 |
| Price in India | ₹13,999 |
| Release date | May 2017 |
| Form factor | Touchscreen |
| Weight (g) | 153.00 |
| Battery capacity (mAh) | 3200 |
| Removable battery | No |
| Colours | Black |
| Screen size (inches) | 5.50 |
| Touchscreen | Yes |
| Resolution | 1080x1920 pixels |
| Processor | 1.5GHz octa-core |
| Processor make | MediaTek MT6750T |
| RAM | 4GB |
| Internal storage | 64GB |
| Expandable storage | Yes |
| Expandable storage up to (GB) | 128 |
| Rear camera | 13-megapixel |
| Rear flash | Dual LED |
| Front camera | 16-megapixel |
| Operating system | Android 6.0 |
| Skin | ColorOS 3.0 |
| Wi-Fi | Yes |
| GPS | Yes |
| Bluetooth | Yes |
| NFC | No |
| Infrared | No |
| USB OTG | No |
| Headphones | 3.5mm |
| FM | No |
| Number of SIMs | 2 |
| Wi-Fi Direct | No |
| Mobile High-Definition Link (MHL) | No |
| SIM 1 | |
| SIM Type | Nano-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | Yes |
| Supports 4G in India (Band 40) | No |
| SIM 2 | |
| SIM Type | Nano-SIM |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | Yes |
| Supports 4G in India (Band 40) | No |
| Compass/ Magnetometer | No |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | Yes |
| Gyroscope | No |
| Barometer | No |
| Temperature sensor | No |
Oppo A77 (4GB RAM, 64GB)
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