| Local Name | 6650 fold |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 850 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 3.6/0.384 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2008, March. Released 2008, June |
| Status | Discontinued |
| Dimensions | 99.7 x 47 x 16.2 mm (3.93 x 1.85 x 0.64 in) |
| Weight | 112 g (3.95 oz) |
| SIM | Mini-SIM |
| Display Type | TFT, 16M colors |
| Screen Size | 2.2 inches (~32.0% screen-to-body ratio) |
| Resolution | 240 x 320 pixels (~182 ppi pixel density) | Second external TFT display, 256K colors (128 x 160 pixels) - Downloadable screensavers, wallpapers |
| OS | Symbian OS, Series 60 v3.2 UI |
| CPU | 369 MHz ARM 11 |
| Card Slot | microSD |
| Internal Memory | 30 MB |
| Primary Camera | 2 MP, 1600 x 1200 pixels, LED flash |
| 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, with A-GPS |
| Radio | Stereo FM radio |
| USB | Yes |
| Messaging | SMS, MMS, Email, Instant Messaging |
| Browser | WAP 2.0/xHTML |
| Java | Yes, MIDP 2.0 |
| Features Summary | WMV/RV/MP4/3GP player, MP3/WMA/WAV/RA/AAC/M4A player, Predictive text input, Organizer, Voice dial/memo |
| Battery | Li-Ion 1500 mAh battery (BP-4L) |
| Stand By | Up to 350 h (2G) / 360 h (3G) |
| Talk Time | Up to 6 h (2G) / 4 h (3G) |
| Colors | Silver, Black |
| SAR US | 0.87 W/kg (head) 0.70 W/kg (body) |
| SAR EU | 0.64 W/kg (head) |
