| Local Name | 1231 |
| Technology | GSM |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| GPRS | Class 10 |
| EDGE | Class 10 |
| Announced | 2009, June. Released 2009, June |
| Status | Discontinued |
| Dimensions | 113 x 65.4 x 14.5 mm (4.45 x 2.57 x 0.57 in) |
| Weight | 130 g (4.59 oz) |
| Keyboard | QWERTY |
| SIM | Mini-SIM |
| Display Type | TFT, 65K colors |
| Screen Size | 2.5 inches (~26.2% screen-to-body ratio) |
| Resolution | 320 x 240 pixels (~160 ppi pixel density) |
| OS | Microsoft Windows Mobile 6.1 Standard |
| Card Slot | microSD, up to 4 GB |
| Internal Memory | 48 MB |
| Primary Camera | 1.3 MP, 1280 x 1024 pixels |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v2.0, A2DP |
| GPS | Yes |
| Radio | No |
| USB | Yes |
| Messaging | SMS, MMS, Email, IM |
| Browser | WAP 2.0/xHTML, HTML |
| Java | Yes, MIDP 2.0 |
| Features Summary | MP3/MP4 player, Organizer, Voice memo, Predictive text input |
| Battery | Li-Ion 1100 mAh battery |
| Stand By | Up to 230 h |
| Talk Time | Up to 5 h |
| Colors | Black |
| SAR EU | 0.69 W/kg (head) |
