| Hardware and OS | Irulu M503 | |
| Operating system | Android 4.2 | |
| Processor | MediaTek MT6589, 1200 MHz | |
| Processor cores number | 4 | |
| RAM | 1 GB | |
| Internal Storage | 4 GB | |
| Memory Card Slot | yes, volume of up to 32 GB | |
| GPU | PowerVR SGX544 | |
| Display | Irulu M503 | other phones |
| Type | colored, sensor | |
| Size | 5" | |
| Resolution | 960x540 | |
| Pixel Density | 220 | |
| Touchscreen | multitouch, capacitive | |
| Aspect Ratio | 16:9 | |
| Connectivity | Irulu M503 | other phones |
| Standard | GSM 900/1800/1900, 3G | |
| Interfaces | Wi-Fi 802.11n, Bluetooth, USB | |
| Multi SIM mode | alternate | |
| SIM-card amount | 2 | |
| Camera | Irulu M503 | other phones |
| Main camera | 12 MP | |
| Front camera | 5 megapixels | |
| Flash | rear | |
| Video Recording | yes | |
| Multimedia | Irulu M503 | other phones |
| Audio | MP3, AAC, WAV, WMA, FM-radio | |
| Design | Irulu M503 | other phones |
| Case type | classic | |
| Height | 147 mm | |
| Width | 74 mm | |
| Thickness | 9.6 mm | |
| Weight | 150 grams | |
| Battery | Irulu M503 | other phones |
| Capacity | 1800 mA?h | |
| Connector type for charging | micro-USB | |
| Other | Irulu M503 | other phones |
| Flashlight | yes | |
