| Brand | Lava |
| Model | Iris 503 |
| Device Type | Smartphone |
| Release Date | 01 October 2013 |
| Status | Available |
| Operating System | Android |
| OS Version | v4.2 (Jelly Bean) |
| Chipset | MediaTek MT6572 |
| CPU | Dual-core 1.0 GHz |
| CPU Cores | 2 Cores |
| GPU | Mali-400 |
| Display Type | IPS LCD |
| Screen Size | 5.0 inches (12.7 cm) |
| Resolution | 540x960 px |
| Aspect Ratio | 16:9 |
| Pixel Density | 220 ppi |
| Screen to Body Ratio | 65.62 % |
| Screen Protection | Gorilla Glass |
| Bezel-less Display | Yes with notch |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Notch | Yes |
| Camera Setup | Single |
| Resolution | 5 MP, Primary Camera |
| Autofocus | Yes |
| Flash | LED Flash |
| Image Resolution | 2592 x 1944 Pixels |
| Zoom | 8 x Digital Zoom |
| Video Recording | 1080p |
| Video FPS | 30 fps |
| Camera Setup | Single |
| Resolution | 1.2 MP, Primary Camera |
| Height | 143.2 mm |
| Width | 73.3 mm |
| Thickness | 10.45 mm |
| Colors | White |
| Battery type | Li-Ion (Lithium Ion) |
| Capacity | 2000 mAh |
| Placement | Removable |
| Talk Time | Up to 7 Hours(2G) |
| Internal Storage | 4 GB |
| User Available Storage | Up to 2.54 GB |
| Expandable Memory | Up to 32 GB |
| RAM | 512 MB |
| Network | 2G, 3G |
| SIM Slot | Dual SIM, GSM+GSM |
| EDGE | Available |
| GPRS | Available |
| Speed | HSPA |
| WLAN | Wi-Fi 4 (802.11 b/g/n) |
| Bluetooth | v2.0 |
| GPS | Yes with A-GPS |
| USB | microUSB 2.0 |
| Light Sensor | Accelerometer |
| FM Radio | Yes |
| Loudspeaker | Yes |
| Alert Types | Vibration, MP3, Ringtones |
| Audio Jack | 3.5 mm |
| Video | 1080p@30fps |
| Made By | India |
