| Nokia 3660 |
 | Network | GSM 900 / 1800 / 1900 |
| Mode | 2G |
| Announced | 2003 |
| Status | Discontinued |
| Price New | - |
| Price Second | - |
| Size | Dimensions | 130 x 57 x 26 mm |
| Weight | 130 g |
| Display | Type | TFT, 65K colors |
| Size | 176 x 208 pixels |
|
| 5-way scroll key |
| Sound | Alert types | Monophonic, Polyphonic, Vibration, WAV |
| Speakerphone | Yes |
| Memory | Phonebook | SIM card + Unlimited entries |
| Call records | Detailed, max 30 days |
| Card slot | MMC |
| Internal | 3.4 MB |
| Data | GPRS | Class 4 |
| EDGE | No |
| 3G | No |
| WLAN | No |
| Bluetooth | Yes, v1.1 |
| Infrared port | Yes |
| USB | No |
| Camera | Primary | VGA, 640x480 pixels |
| Secondary | No |
| Video | Yes |
| Flash Light | No |
| Features | OS | Symbian OS v6.1, Series 60 v1.0 UI |
| CPU | 32-bit ARM 920T 104 MHz processor |
| Messaging | SMS, MMS, Email |
| Browser | WAP 2.0/xHTML |
| Audio | No |
| Radio | No |
| Games | Java and Symbian games |
| Colors | Red, Blue |
| GPS | No |
| Java | Yes, MIDP 1.0 |
| Battery | Standard | Li-Ion 850 mAh (BL-5C) |
| Stand-by | 240 h |
| Talk time | 4 h |
| Misc | - | - |