| Hardware and OS | Reliance Jio Phone 3 | |
| Operating system | Android v8.1 (Oreo) | |
| Chipset | MediaTek | |
| Processor | Quad core, 1.4 GHz | |
| RAM | 2 GB | |
| Internal Storage | 64 GB | |
| Expandable memory | Yes Up to 128 GB | |
| Custom UI | Android Go | |
| Display | Reliance Jio Phone 3 | other phones |
| Type | IPS LCD | |
| Size | 5 inches | |
| Resolution | HD | |
| Pixel Density | 294 ppi | |
| Touchscreen | Yes Capacitive Touchscreen, Multi-touch | |
| Connectivity | Reliance Jio Phone 3 | other phones |
| Network support | 4G , 3G, 2G | |
| WI-FI | Yes Wi-Fi 802.11, b/g/n | |
| Gps | Yes with A-GPS | |
| Bluetooth | Yes | |
| Dual SIM | Dual SIM, GSM GSM | |
| USB TYPE-C | No | |
| USB connectivity | Mass storage device, USB charging, microUSB 2.0 | |
| Camera | Reliance Jio Phone 3 | other phones |
| Main camera | 5 MP | |
| Image | 2592 x 1944 Pixels | |
| Front camera | 2 MP | |
| Camera features | Digital Zoom | |
| Flash | Yes LED Flash | |
| Battery | Reliance Jio Phone 3 | other phones |
| Capacity | 2800 mAh | |
| Type | Li-ion | |
| Other | Reliance Jio Phone 3 | other phones |
| Other sensors | Accelerometer | |
