| Local Name | 6600 |
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 / 1900 |
| GPRS | Class 6 |
| EDGE | No |
| Announced | 2003, 4Q |
| Status | Discontinued |
| Dimensions | 109 x 58 x 24 mm, 113 cc (4.29 x 2.28 x 0.94 in) |
| Weight | 122 g (4.30 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 65k colors |
| Screen Size | 2.1 inches, 35 x 41 mm (~22.2% screen-to-body ratio) |
| Resolution | 176 x 208 pixels (~130 ppi pixel density) | 5-way joystick navigation - Selectable themes |
| OS | Symbian OS v7.0s, Series 60 v2.0 UI |
| CPU | 104 MHz ARM 9 |
| Card Slot | MMC, 32 MB included |
| Internal Memory | 6 MB | 25 voice command slots - Voice memo |
| Primary Camera | VGA, 640 x 480 pixels |
| Video | Yes |
| Secondary Camera | No |
| Alert Types | Vibration; Downloadable polyphonic, monophonic ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| WLAN | No |
| Bluetooth | v1.1 |
| GPS | No |
| Infrared Port | Yes |
| Radio | No |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Clock | Yes |
| Alarm | Yes |
| Languages | Major Europe and Asia-Pacific |
| Java | Yes, MIDP 2.0 |
| Features Summary | Mono audio player, Predictive text input |
| Battery | Li-Ion 850 mAh battery (BL-5C) |
| Stand By | Up to 150 h - 240 h |
| Talk Time | Up to 2 h - 4 h |
| Colors | Light Gray |
| SAR US | 0.61 W/kg (head) 0.44 W/kg (body) |
| SAR EU | 0.44 W/kg (head) |
