| Local Name | Iris 503 |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 2100 |
| 2G Bands | GSM 900 / 1800 - SIM 1 & SIM 2 |
| Speed | HSPA |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2013, October |
| Status | Available. Released 2013, October |
| Dimensions | 143.2 x 73.3 x 10.5 mm (5.64 x 2.89 x 0.41 in) |
| Weight | 175 g (6.17 oz) |
| SIM | Dual SIM |
| Display Type | IPS capacitive touchscreen, 16M colors |
| Screen Size | 5.0 inches (~65.7% screen-to-body ratio) |
| Resolution | 540 x 960 pixels (~220 ppi pixel density) |
| Mulitouch | Yes |
| OS | Android OS, v4.2 (Jelly Bean) |
| CPU | Dual-core 1 GHz |
| GPU | Mali-400 |
| Card Slot | microSD, up to 32 GB |
| Internal Memory | 4 GB, 512 MB RAM |
| Primary Camera | 3.15 MP, 2048 x 1536 pixels |
| Camera Features | Face/smile detection, panorama |
| Video | Yes |
| Secondary Camera | 1.3 MP |
| Alert Types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Yes |
| Bluetooth | Yes |
| GPS | Yes, with A-GPS |
| Radio | FM radio |
| USB | microUSB v2.0 |
| Sensors | Accelerometer |
| Messaging | SMS(threaded view), MMS, Email |
| Browser | HTML |
| Java | No |
| Features Summary | MP4/H.263 player, MP3/WAV/AAC player, Photo viewer, Voice memo/dial |
| Battery | Li-Ion 2000 mAh battery |
| Colors | Black |
