| Local Name | OT-303 |
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 | GSM 850 / 1900 |
| GPRS | Class 10 |
| EDGE | No |
| Announced | 2009, March. Released 2009 |
| Status | Discontinued |
| Dimensions | 107 x 46 x 12.1 mm (4.21 x 1.81 x 0.48 in) |
| Weight | 66 g (2.33 oz) |
| SIM | Mini-SIM |
| Display Type | CSTN, 65K colors |
| Screen Size | 1.8 inches (~20.7% screen-to-body ratio) |
| Resolution | 128 x 160 pixels (~114 ppi pixel density) |
| Card Slot | No |
| Phone Book | 800 entries |
| Call Records | 20 dialed, 20 received, 20 missed calls |
| Internal Memory | 2 MB |
| Primary Camera | VGA, 640 x 480 pixels |
| Video | No |
| Secondary Camera | No |
| Alert Types | Vibration; Polyphonic(64) ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | No |
| GPS | No |
| Radio | FM radio with RDS |
| USB | miniUSB v1.1 |
| Messaging | SMS, MMS |
| Browser | WAP 2.0/HTML |
| Games | 2 |
| Java | No |
| Features Summary | Predictive text input, Organizer |
| Battery | Li-Ion 650 mAh battery |
| Stand By | Up to 300 h |
| Talk Time | Up to 9 h |
| Colors | Titanium Grey, Cherry Red & Turquoise |
| SAR US | 1.30 W/kg (head) 1.14 W/kg (body) |
| SAR EU | 1.00 W/kg (head) |